./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem10_label23.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e679f9bfc379fa4fbede70512fc16896a5c333e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:05:25,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:05:25,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:05:25,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:05:25,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:05:25,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:05:25,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:05:25,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:05:25,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:05:25,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:05:25,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:05:25,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:05:25,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:05:25,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:05:25,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:05:25,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:05:25,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:05:25,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:05:25,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:05:25,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:05:25,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:05:25,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:05:25,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:05:25,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:05:25,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:05:25,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:05:25,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:05:25,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:05:25,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:05:25,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:05:25,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:05:25,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:05:25,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:05:25,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:05:25,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:05:25,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:05:25,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:05:25,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:05:25,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:05:25,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:05:25,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:05:25,867 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:05:25,882 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:05:25,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:05:25,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:05:25,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:05:25,884 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:05:25,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:05:25,885 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:05:25,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:05:25,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:05:25,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:05:25,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:05:25,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:05:25,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:05:25,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:05:25,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:05:25,888 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:05:25,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:05:25,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:05:25,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:05:25,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:05:25,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:05:25,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:05:25,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:05:25,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:05:25,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:05:25,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:05:25,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:05:25,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:05:25,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:05:25,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 6e679f9bfc379fa4fbede70512fc16896a5c333e [2019-11-28 16:05:26,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:05:26,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:05:26,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:05:26,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:05:26,222 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:05:26,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2019-11-28 16:05:26,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e4de923c/993ef2fff88f4e7c9d037360893b47f0/FLAGb77bba5a7 [2019-11-28 16:05:26,829 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:05:26,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2019-11-28 16:05:26,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e4de923c/993ef2fff88f4e7c9d037360893b47f0/FLAGb77bba5a7 [2019-11-28 16:05:27,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e4de923c/993ef2fff88f4e7c9d037360893b47f0 [2019-11-28 16:05:27,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:05:27,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:05:27,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:05:27,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:05:27,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:05:27,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:27,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4746e037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27, skipping insertion in model container [2019-11-28 16:05:27,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:27,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:05:27,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:05:27,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:05:27,719 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:05:27,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:05:27,834 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:05:27,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27 WrapperNode [2019-11-28 16:05:27,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:05:27,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:05:27,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:05:27,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:05:27,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:27,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:27,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:05:27,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:05:27,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:05:27,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:05:27,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:27,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:27,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:27,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:27,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:28,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:28,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (1/1) ... [2019-11-28 16:05:28,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:05:28,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:05:28,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:05:28,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:05:28,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 16:05:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:05:28,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:05:29,389 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:05:29,389 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 16:05:29,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:05:29 BoogieIcfgContainer [2019-11-28 16:05:29,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:05:29,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:05:29,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:05:29,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:05:29,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:05:27" (1/3) ... [2019-11-28 16:05:29,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d17b1d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:05:29, skipping insertion in model container [2019-11-28 16:05:29,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:27" (2/3) ... [2019-11-28 16:05:29,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d17b1d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:05:29, skipping insertion in model container [2019-11-28 16:05:29,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:05:29" (3/3) ... [2019-11-28 16:05:29,401 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label23.c [2019-11-28 16:05:29,411 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:05:29,418 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:05:29,431 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:05:29,464 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:05:29,464 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:05:29,464 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:05:29,465 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:05:29,465 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:05:29,465 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:05:29,465 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:05:29,466 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:05:29,486 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-28 16:05:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-28 16:05:29,494 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:29,495 INFO L410 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] [2019-11-28 16:05:29,495 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:29,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:29,501 INFO L82 PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times [2019-11-28 16:05:29,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:29,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8998673] [2019-11-28 16:05:29,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:30,093 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8998673] [2019-11-28 16:05:30,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:30,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 16:05:30,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595789950] [2019-11-28 16:05:30,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 16:05:30,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:30,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 16:05:30,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-28 16:05:30,122 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 7 states. [2019-11-28 16:05:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:32,791 INFO L93 Difference]: Finished difference Result 982 states and 1810 transitions. [2019-11-28 16:05:32,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 16:05:32,793 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-11-28 16:05:32,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:32,813 INFO L225 Difference]: With dead ends: 982 [2019-11-28 16:05:32,813 INFO L226 Difference]: Without dead ends: 699 [2019-11-28 16:05:32,818 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-28 16:05:32,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-11-28 16:05:32,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 421. [2019-11-28 16:05:32,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-28 16:05:32,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2019-11-28 16:05:32,888 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 46 [2019-11-28 16:05:32,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:32,888 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2019-11-28 16:05:32,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 16:05:32,889 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2019-11-28 16:05:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-28 16:05:32,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:32,897 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-28 16:05:32,897 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:32,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:32,897 INFO L82 PathProgramCache]: Analyzing trace with hash -402156972, now seen corresponding path program 1 times [2019-11-28 16:05:32,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:32,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490685004] [2019-11-28 16:05:32,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:33,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490685004] [2019-11-28 16:05:33,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:33,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 16:05:33,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888018219] [2019-11-28 16:05:33,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:05:33,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:33,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:05:33,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:33,151 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 4 states. [2019-11-28 16:05:34,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:34,107 INFO L93 Difference]: Finished difference Result 1257 states and 1737 transitions. [2019-11-28 16:05:34,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:05:34,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2019-11-28 16:05:34,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:34,113 INFO L225 Difference]: With dead ends: 1257 [2019-11-28 16:05:34,113 INFO L226 Difference]: Without dead ends: 838 [2019-11-28 16:05:34,115 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:34,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-28 16:05:34,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-28 16:05:34,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-28 16:05:34,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2019-11-28 16:05:34,140 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 164 [2019-11-28 16:05:34,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:34,141 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2019-11-28 16:05:34,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:05:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2019-11-28 16:05:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-28 16:05:34,145 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:34,146 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:05:34,146 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:34,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:34,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1485137820, now seen corresponding path program 1 times [2019-11-28 16:05:34,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:34,147 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572402637] [2019-11-28 16:05:34,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:34,304 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572402637] [2019-11-28 16:05:34,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:34,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 16:05:34,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971127509] [2019-11-28 16:05:34,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:05:34,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:34,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:05:34,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:34,307 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 4 states. [2019-11-28 16:05:35,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:35,186 INFO L93 Difference]: Finished difference Result 1674 states and 2200 transitions. [2019-11-28 16:05:35,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:05:35,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 190 [2019-11-28 16:05:35,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:35,200 INFO L225 Difference]: With dead ends: 1674 [2019-11-28 16:05:35,200 INFO L226 Difference]: Without dead ends: 1116 [2019-11-28 16:05:35,201 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:35,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-28 16:05:35,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2019-11-28 16:05:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-28 16:05:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2019-11-28 16:05:35,221 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 190 [2019-11-28 16:05:35,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:35,222 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2019-11-28 16:05:35,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:05:35,223 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2019-11-28 16:05:35,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-11-28 16:05:35,234 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:35,234 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:05:35,234 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:35,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:35,235 INFO L82 PathProgramCache]: Analyzing trace with hash -490588956, now seen corresponding path program 1 times [2019-11-28 16:05:35,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:35,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503451913] [2019-11-28 16:05:35,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:35,485 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-28 16:05:35,486 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503451913] [2019-11-28 16:05:35,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:35,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 16:05:35,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689695176] [2019-11-28 16:05:35,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 16:05:35,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:35,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 16:05:35,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 16:05:35,489 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 3 states. [2019-11-28 16:05:36,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:36,068 INFO L93 Difference]: Finished difference Result 2230 states and 2765 transitions. [2019-11-28 16:05:36,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 16:05:36,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 282 [2019-11-28 16:05:36,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:36,073 INFO L225 Difference]: With dead ends: 2230 [2019-11-28 16:05:36,074 INFO L226 Difference]: Without dead ends: 977 [2019-11-28 16:05:36,075 INFO L630 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 [2019-11-28 16:05:36,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-28 16:05:36,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-28 16:05:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-28 16:05:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1170 transitions. [2019-11-28 16:05:36,093 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1170 transitions. Word has length 282 [2019-11-28 16:05:36,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:36,094 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1170 transitions. [2019-11-28 16:05:36,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 16:05:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1170 transitions. [2019-11-28 16:05:36,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-11-28 16:05:36,099 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:36,099 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 16:05:36,099 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:36,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:36,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1719694206, now seen corresponding path program 1 times [2019-11-28 16:05:36,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:36,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145198651] [2019-11-28 16:05:36,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 8 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:36,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145198651] [2019-11-28 16:05:36,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891292183] [2019-11-28 16:05:36,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:05:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:36,784 INFO L264 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 16:05:36,836 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:05:36,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:36,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:36,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:36,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:36,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:36,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:36,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:36,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:36,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:36,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 260 proven. 64 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-28 16:05:37,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 16:05:37,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2019-11-28 16:05:37,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591724157] [2019-11-28 16:05:37,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-28 16:05:37,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:37,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 16:05:37,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-11-28 16:05:37,855 INFO L87 Difference]: Start difference. First operand 977 states and 1170 transitions. Second operand 14 states. [2019-11-28 16:05:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:44,594 INFO L93 Difference]: Finished difference Result 4946 states and 6169 transitions. [2019-11-28 16:05:44,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-11-28 16:05:44,598 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 318 [2019-11-28 16:05:44,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:44,599 INFO L225 Difference]: With dead ends: 4946 [2019-11-28 16:05:44,599 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:05:44,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=321, Invalid=1239, Unknown=0, NotChecked=0, Total=1560 [2019-11-28 16:05:44,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:05:44,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:05:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:05:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:05:44,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 318 [2019-11-28 16:05:44,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:44,608 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:05:44,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-28 16:05:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:05:44,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:05:44,812 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:05:44,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:05:45,225 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-11-28 16:05:45,399 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-11-28 16:05:45,406 INFO L246 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-28 16:05:45,407 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,407 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,407 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,407 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,408 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,408 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,408 INFO L246 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-28 16:05:45,408 INFO L246 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-28 16:05:45,408 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-28 16:05:45,408 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-28 16:05:45,409 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-28 16:05:45,409 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-28 16:05:45,410 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-28 16:05:45,410 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-28 16:05:45,410 INFO L246 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-28 16:05:45,410 INFO L246 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-28 16:05:45,410 INFO L246 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-28 16:05:45,410 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,410 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,410 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,411 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,411 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,411 INFO L246 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-28 16:05:45,411 INFO L246 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-28 16:05:45,411 INFO L246 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-28 16:05:45,411 INFO L246 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-28 16:05:45,411 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-28 16:05:45,411 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-28 16:05:45,411 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-28 16:05:45,412 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-28 16:05:45,412 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-28 16:05:45,413 INFO L246 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-28 16:05:45,413 INFO L246 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-28 16:05:45,413 INFO L246 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-28 16:05:45,413 INFO L246 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-28 16:05:45,413 INFO L246 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-28 16:05:45,414 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,414 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,414 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,414 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,414 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,415 INFO L246 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-28 16:05:45,415 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-28 16:05:45,415 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-28 16:05:45,415 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-28 16:05:45,415 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-28 16:05:45,416 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-28 16:05:45,416 INFO L242 CegarLoopResult]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (and .cse0 (not (= ~a19~0 10))) (and (= ~a10~0 1) (< 0 (+ ~a1~0 13))) (and .cse0 (not (= ~a10~0 4))) (and (<= ~a1~0 218) (= ~a10~0 2)))) [2019-11-28 16:05:45,416 INFO L246 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-28 16:05:45,416 INFO L246 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-28 16:05:45,416 INFO L246 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-28 16:05:45,417 INFO L246 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-28 16:05:45,417 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,417 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,417 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,417 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,418 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,418 INFO L246 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-28 16:05:45,418 INFO L246 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-28 16:05:45,418 INFO L246 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-28 16:05:45,418 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-28 16:05:45,418 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-28 16:05:45,419 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-28 16:05:45,419 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-28 16:05:45,419 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-28 16:05:45,419 INFO L246 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-28 16:05:45,419 INFO L246 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-28 16:05:45,419 INFO L249 CegarLoopResult]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-28 16:05:45,420 INFO L246 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-28 16:05:45,420 INFO L246 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-28 16:05:45,420 INFO L246 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-28 16:05:45,420 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,420 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,421 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,421 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,421 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,421 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-28 16:05:45,421 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-28 16:05:45,421 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-28 16:05:45,422 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-28 16:05:45,422 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-28 16:05:45,422 INFO L246 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-28 16:05:45,422 INFO L246 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-28 16:05:45,422 INFO L246 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-28 16:05:45,422 INFO L246 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-28 16:05:45,423 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,423 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,423 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,423 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,423 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,424 INFO L246 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-28 16:05:45,424 INFO L246 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-28 16:05:45,424 INFO L246 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-28 16:05:45,424 INFO L246 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-28 16:05:45,424 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-28 16:05:45,425 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-28 16:05:45,425 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-28 16:05:45,425 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-28 16:05:45,425 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-28 16:05:45,425 INFO L246 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-28 16:05:45,426 INFO L246 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-28 16:05:45,426 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:05:45,426 INFO L246 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-28 16:05:45,426 INFO L242 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (and .cse0 (not (= ~a19~0 10))) (and (= ~a10~0 1) (< 0 (+ ~a1~0 13))) (and .cse0 (not (= ~a10~0 4))) (and (<= ~a1~0 218) (= ~a10~0 2)))) [2019-11-28 16:05:45,426 INFO L246 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-28 16:05:45,427 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,427 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,427 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,427 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,428 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-28 16:05:45,428 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,428 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,428 INFO L246 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-28 16:05:45,428 INFO L246 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-28 16:05:45,429 INFO L246 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-28 16:05:45,429 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-28 16:05:45,429 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-28 16:05:45,429 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-28 16:05:45,429 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-28 16:05:45,430 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-28 16:05:45,430 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-28 16:05:45,430 INFO L246 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-28 16:05:45,430 INFO L246 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-28 16:05:45,430 INFO L246 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-28 16:05:45,430 INFO L246 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-28 16:05:45,430 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,430 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,430 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,431 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,431 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,431 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,431 INFO L246 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-28 16:05:45,431 INFO L246 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-28 16:05:45,432 INFO L246 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-28 16:05:45,432 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:05:45,432 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-28 16:05:45,432 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-28 16:05:45,432 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-28 16:05:45,433 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-28 16:05:45,433 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-28 16:05:45,433 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-28 16:05:45,433 INFO L246 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-28 16:05:45,433 INFO L246 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-28 16:05:45,434 INFO L246 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-28 16:05:45,434 INFO L246 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-28 16:05:45,434 INFO L246 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-28 16:05:45,434 INFO L246 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-28 16:05:45,434 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,434 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,435 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,435 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,435 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,435 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,435 INFO L246 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-28 16:05:45,436 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-28 16:05:45,436 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-28 16:05:45,436 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-28 16:05:45,436 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-28 16:05:45,436 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-28 16:05:45,436 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:05:45,436 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-28 16:05:45,436 INFO L246 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-28 16:05:45,436 INFO L246 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-28 16:05:45,437 INFO L246 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-28 16:05:45,437 INFO L246 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-28 16:05:45,437 INFO L246 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-28 16:05:45,437 INFO L246 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-28 16:05:45,437 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,437 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,437 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,437 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,437 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-28 16:05:45,438 INFO L246 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-28 16:05:45,439 INFO L246 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-28 16:05:45,439 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:05:45,439 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2019-11-28 16:05:45,439 INFO L246 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-28 16:05:45,439 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,439 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,439 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,439 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,439 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,439 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-28 16:05:45,440 INFO L246 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-28 16:05:45,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:05:45 BoogieIcfgContainer [2019-11-28 16:05:45,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:05:45,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:05:45,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:05:45,459 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:05:45,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:05:29" (3/4) ... [2019-11-28 16:05:45,463 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:05:45,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 16:05:45,486 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 16:05:45,672 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:05:45,673 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:05:45,675 INFO L168 Benchmark]: Toolchain (without parser) took 18552.88 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 573.6 MB). Free memory was 951.0 MB in the beginning and 1.5 GB in the end (delta: -526.7 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:45,675 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:05:45,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:45,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.53 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:45,677 INFO L168 Benchmark]: Boogie Preprocessor took 98.87 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:45,677 INFO L168 Benchmark]: RCFGBuilder took 1358.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.9 MB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:45,677 INFO L168 Benchmark]: TraceAbstraction took 16065.98 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 432.5 MB). Free memory was 992.9 MB in the beginning and 1.5 GB in the end (delta: -499.6 MB). Peak memory consumption was 462.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:45,678 INFO L168 Benchmark]: Witness Printer took 214.18 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:45,680 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 713.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.53 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.87 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1358.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.9 MB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16065.98 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 432.5 MB). Free memory was 992.9 MB in the beginning and 1.5 GB in the end (delta: -499.6 MB). Peak memory consumption was 462.5 MB. Max. memory is 11.5 GB. * Witness Printer took 214.18 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && !(a19 == 10)) || (a10 == 1 && 0 < a1 + 13)) || (!(a19 == 7) && !(a10 == 4))) || (a1 <= 218 && a10 == 2) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && !(a19 == 10)) || (a10 == 1 && 0 < a1 + 13)) || (!(a19 == 7) && !(a10 == 4))) || (a1 <= 218 && a10 == 2) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 15.3s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 336 SDtfs, 4146 SDslu, 201 SDs, 0 SdLazy, 9121 SolverSat, 1637 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 320 SyntacticMatches, 7 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 556 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 123 NumberOfFragments, 71 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2501 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1458 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1318 NumberOfCodeBlocks, 1318 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1312 ConstructedInterpolants, 81 QuantifiedInterpolants, 2373342 SizeOfPredicates, 6 NumberOfNonLiveVariables, 433 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 864/1288 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...