./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_label02.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c99985343c1561a1319832450a83936510ceaa69 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:09:02,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:09:02,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:09:02,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:09:02,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:09:02,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:09:02,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:09:02,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:09:02,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:09:02,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:09:02,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:09:02,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:09:02,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:09:02,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:09:02,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:09:02,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:09:02,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:09:02,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:09:02,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:09:02,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:09:02,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:09:02,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:09:02,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:09:02,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:09:02,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:09:02,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:09:02,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:09:02,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:09:02,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:09:02,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:09:02,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:09:02,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:09:02,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:09:02,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:09:02,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:09:02,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:09:02,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:09:02,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:09:02,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:09:02,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:09:02,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:09:02,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:09:02,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:09:02,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:09:02,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:09:02,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:09:02,939 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:09:02,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:09:02,940 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:09:02,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:09:02,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:09:02,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:09:02,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:09:02,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:09:02,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:09:02,941 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:09:02,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:09:02,942 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:09:02,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:09:02,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:09:02,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:09:02,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:09:02,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:09:02,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:09:02,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:09:02,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:09:02,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:09:02,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:09:02,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:09:02,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:09:02,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:09:02,945 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(reach_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 -> c99985343c1561a1319832450a83936510ceaa69 [2020-10-19 23:09:03,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:09:03,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:09:03,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:09:03,161 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:09:03,162 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:09:03,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2020-10-19 23:09:03,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c87158722/5bd4e3ca129a44cc8a639f4c2d9331f3/FLAG4fa85e6bb [2020-10-19 23:09:03,928 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:09:03,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2020-10-19 23:09:03,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c87158722/5bd4e3ca129a44cc8a639f4c2d9331f3/FLAG4fa85e6bb [2020-10-19 23:09:04,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c87158722/5bd4e3ca129a44cc8a639f4c2d9331f3 [2020-10-19 23:09:04,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:09:04,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:09:04,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:09:04,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:09:04,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:09:04,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:04,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34232cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04, skipping insertion in model container [2020-10-19 23:09:04,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:04,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:09:04,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:09:04,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:09:04,681 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:09:04,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:09:04,831 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:09:04,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04 WrapperNode [2020-10-19 23:09:04,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:09:04,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:09:04,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:09:04,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:09:04,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:04,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:04,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:09:04,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:09:04,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:09:04,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:09:04,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:04,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:04,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:04,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:04,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:04,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:05,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (1/1) ... [2020-10-19 23:09:05,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:09:05,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:09:05,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:09:05,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:09:05,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (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 [2020-10-19 23:09:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:09:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:09:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:09:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:09:06,715 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:09:06,715 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:09:06,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:09:06 BoogieIcfgContainer [2020-10-19 23:09:06,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:09:06,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:09:06,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:09:06,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:09:06,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:09:04" (1/3) ... [2020-10-19 23:09:06,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586450a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:09:06, skipping insertion in model container [2020-10-19 23:09:06,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:04" (2/3) ... [2020-10-19 23:09:06,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586450a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:09:06, skipping insertion in model container [2020-10-19 23:09:06,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:09:06" (3/3) ... [2020-10-19 23:09:06,733 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label02.c [2020-10-19 23:09:06,746 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:09:06,757 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:09:06,772 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:09:06,809 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:09:06,809 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:09:06,809 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:09:06,810 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:09:06,811 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:09:06,811 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:09:06,811 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:09:06,811 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:09:06,844 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-19 23:09:06,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-19 23:09:06,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:06,860 INFO L422 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] [2020-10-19 23:09:06,860 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:06,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:06,868 INFO L82 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times [2020-10-19 23:09:06,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:06,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670390063] [2020-10-19 23:09:06,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:07,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:07,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670390063] [2020-10-19 23:09:07,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:07,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:09:07,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321249135] [2020-10-19 23:09:07,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:07,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:07,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:07,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:07,268 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-10-19 23:09:08,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:08,548 INFO L93 Difference]: Finished difference Result 568 states and 982 transitions. [2020-10-19 23:09:08,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:08,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-10-19 23:09:08,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:08,567 INFO L225 Difference]: With dead ends: 568 [2020-10-19 23:09:08,567 INFO L226 Difference]: Without dead ends: 282 [2020-10-19 23:09:08,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:08,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-19 23:09:08,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-10-19 23:09:08,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-19 23:09:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2020-10-19 23:09:08,632 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 59 [2020-10-19 23:09:08,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:08,632 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2020-10-19 23:09:08,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2020-10-19 23:09:08,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-19 23:09:08,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:08,638 INFO L422 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, 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] [2020-10-19 23:09:08,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:09:08,639 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:08,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:08,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1573043836, now seen corresponding path program 1 times [2020-10-19 23:09:08,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:08,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165867423] [2020-10-19 23:09:08,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:08,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165867423] [2020-10-19 23:09:08,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:08,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:09:08,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411172086] [2020-10-19 23:09:08,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:08,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:08,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:08,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:08,898 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2020-10-19 23:09:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:09,585 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2020-10-19 23:09:09,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:09,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-10-19 23:09:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:09,592 INFO L225 Difference]: With dead ends: 840 [2020-10-19 23:09:09,592 INFO L226 Difference]: Without dead ends: 560 [2020-10-19 23:09:09,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:09,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-19 23:09:09,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-19 23:09:09,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-19 23:09:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 731 transitions. [2020-10-19 23:09:09,630 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 731 transitions. Word has length 129 [2020-10-19 23:09:09,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:09,630 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 731 transitions. [2020-10-19 23:09:09,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 731 transitions. [2020-10-19 23:09:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-19 23:09:09,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:09,635 INFO L422 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, 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] [2020-10-19 23:09:09,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:09:09,636 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:09,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:09,637 INFO L82 PathProgramCache]: Analyzing trace with hash -905317176, now seen corresponding path program 1 times [2020-10-19 23:09:09,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:09,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334434378] [2020-10-19 23:09:09,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:10,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334434378] [2020-10-19 23:09:10,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:10,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 23:09:10,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716827037] [2020-10-19 23:09:10,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 23:09:10,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:10,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 23:09:10,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:09:10,038 INFO L87 Difference]: Start difference. First operand 560 states and 731 transitions. Second operand 7 states. [2020-10-19 23:09:10,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:10,684 INFO L93 Difference]: Finished difference Result 1173 states and 1515 transitions. [2020-10-19 23:09:10,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 23:09:10,685 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2020-10-19 23:09:10,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:10,690 INFO L225 Difference]: With dead ends: 1173 [2020-10-19 23:09:10,691 INFO L226 Difference]: Without dead ends: 560 [2020-10-19 23:09:10,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:09:10,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-19 23:09:10,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-19 23:09:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-19 23:09:10,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 727 transitions. [2020-10-19 23:09:10,720 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 727 transitions. Word has length 134 [2020-10-19 23:09:10,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:10,721 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 727 transitions. [2020-10-19 23:09:10,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 23:09:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 727 transitions. [2020-10-19 23:09:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-19 23:09:10,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:10,726 INFO L422 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, 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] [2020-10-19 23:09:10,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:09:10,727 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:10,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:10,727 INFO L82 PathProgramCache]: Analyzing trace with hash -255506960, now seen corresponding path program 1 times [2020-10-19 23:09:10,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:10,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438001613] [2020-10-19 23:09:10,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:10,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438001613] [2020-10-19 23:09:10,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:10,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:09:10,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054074739] [2020-10-19 23:09:10,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:10,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:10,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:10,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:10,851 INFO L87 Difference]: Start difference. First operand 560 states and 727 transitions. Second operand 3 states. [2020-10-19 23:09:11,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:11,477 INFO L93 Difference]: Finished difference Result 1674 states and 2176 transitions. [2020-10-19 23:09:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:11,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-10-19 23:09:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:11,484 INFO L225 Difference]: With dead ends: 1674 [2020-10-19 23:09:11,485 INFO L226 Difference]: Without dead ends: 1116 [2020-10-19 23:09:11,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:11,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-19 23:09:11,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-10-19 23:09:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-19 23:09:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1391 transitions. [2020-10-19 23:09:11,517 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1391 transitions. Word has length 150 [2020-10-19 23:09:11,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:11,518 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1391 transitions. [2020-10-19 23:09:11,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1391 transitions. [2020-10-19 23:09:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-19 23:09:11,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:11,522 INFO L422 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, 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] [2020-10-19 23:09:11,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:09:11,523 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:11,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:11,523 INFO L82 PathProgramCache]: Analyzing trace with hash 633166515, now seen corresponding path program 1 times [2020-10-19 23:09:11,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:11,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767691815] [2020-10-19 23:09:11,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:11,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767691815] [2020-10-19 23:09:11,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:11,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:09:11,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342631825] [2020-10-19 23:09:11,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:11,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:11,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:11,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:11,683 INFO L87 Difference]: Start difference. First operand 1116 states and 1391 transitions. Second operand 3 states. [2020-10-19 23:09:12,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:12,318 INFO L93 Difference]: Finished difference Result 2369 states and 2928 transitions. [2020-10-19 23:09:12,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:12,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-10-19 23:09:12,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:12,327 INFO L225 Difference]: With dead ends: 2369 [2020-10-19 23:09:12,327 INFO L226 Difference]: Without dead ends: 1255 [2020-10-19 23:09:12,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:12,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-19 23:09:12,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-10-19 23:09:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-19 23:09:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1534 transitions. [2020-10-19 23:09:12,361 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1534 transitions. Word has length 151 [2020-10-19 23:09:12,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:12,362 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1534 transitions. [2020-10-19 23:09:12,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:12,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1534 transitions. [2020-10-19 23:09:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-19 23:09:12,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:12,366 INFO L422 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, 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] [2020-10-19 23:09:12,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:09:12,367 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:12,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:12,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1113521310, now seen corresponding path program 1 times [2020-10-19 23:09:12,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:12,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322268747] [2020-10-19 23:09:12,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-19 23:09:12,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322268747] [2020-10-19 23:09:12,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137967391] [2020-10-19 23:09:12,603 INFO L95 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 [2020-10-19 23:09:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:12,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:09:12,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:09:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:12,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:09:12,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 23:09:12,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073779210] [2020-10-19 23:09:12,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:12,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:12,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:12,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:09:12,795 INFO L87 Difference]: Start difference. First operand 1255 states and 1534 transitions. Second operand 3 states. [2020-10-19 23:09:13,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:13,628 INFO L93 Difference]: Finished difference Result 2369 states and 2923 transitions. [2020-10-19 23:09:13,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:13,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-10-19 23:09:13,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:13,638 INFO L225 Difference]: With dead ends: 2369 [2020-10-19 23:09:13,639 INFO L226 Difference]: Without dead ends: 1255 [2020-10-19 23:09:13,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:09:13,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-19 23:09:13,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-10-19 23:09:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-19 23:09:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1506 transitions. [2020-10-19 23:09:13,682 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1506 transitions. Word has length 170 [2020-10-19 23:09:13,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:13,683 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1506 transitions. [2020-10-19 23:09:13,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:13,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1506 transitions. [2020-10-19 23:09:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-19 23:09:13,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:13,689 INFO L422 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, 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] [2020-10-19 23:09:13,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-19 23:09:13,904 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:13,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:13,905 INFO L82 PathProgramCache]: Analyzing trace with hash 773655314, now seen corresponding path program 1 times [2020-10-19 23:09:13,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:13,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711918822] [2020-10-19 23:09:13,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-19 23:09:14,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711918822] [2020-10-19 23:09:14,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103479818] [2020-10-19 23:09:14,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:09:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:14,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:09:14,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:09:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-19 23:09:14,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:09:14,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 23:09:14,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368011667] [2020-10-19 23:09:14,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:14,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:14,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:14,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:09:14,528 INFO L87 Difference]: Start difference. First operand 1255 states and 1506 transitions. Second operand 3 states. [2020-10-19 23:09:15,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:15,114 INFO L93 Difference]: Finished difference Result 1674 states and 2014 transitions. [2020-10-19 23:09:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:15,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-10-19 23:09:15,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:15,120 INFO L225 Difference]: With dead ends: 1674 [2020-10-19 23:09:15,120 INFO L226 Difference]: Without dead ends: 1672 [2020-10-19 23:09:15,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:09:15,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-10-19 23:09:15,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2020-10-19 23:09:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-19 23:09:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1505 transitions. [2020-10-19 23:09:15,152 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1505 transitions. Word has length 189 [2020-10-19 23:09:15,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:15,152 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1505 transitions. [2020-10-19 23:09:15,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1505 transitions. [2020-10-19 23:09:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-19 23:09:15,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:15,157 INFO L422 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:09:15,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:09:15,369 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:15,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:15,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1134060396, now seen corresponding path program 1 times [2020-10-19 23:09:15,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:15,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834771289] [2020-10-19 23:09:15,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-19 23:09:15,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834771289] [2020-10-19 23:09:15,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:15,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 23:09:15,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271724520] [2020-10-19 23:09:15,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 23:09:15,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:15,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 23:09:15,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:09:15,873 INFO L87 Difference]: Start difference. First operand 1255 states and 1505 transitions. Second operand 7 states. [2020-10-19 23:09:16,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:16,605 INFO L93 Difference]: Finished difference Result 2290 states and 2777 transitions. [2020-10-19 23:09:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 23:09:16,606 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-10-19 23:09:16,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:16,607 INFO L225 Difference]: With dead ends: 2290 [2020-10-19 23:09:16,607 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:09:16,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:09:16,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:09:16,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:09:16,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:09:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:09:16,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2020-10-19 23:09:16,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:16,612 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:09:16,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 23:09:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:09:16,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:09:16,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:09:16,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:09:16,801 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-19 23:09:16,801 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-19 23:09:16,802 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-19 23:09:16,802 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:09:16,802 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:09:16,802 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:09:16,802 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:09:16,802 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:09:16,803 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:09:16,803 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-19 23:09:16,803 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-19 23:09:16,803 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-19 23:09:16,803 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:09:16,803 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-19 23:09:16,803 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,803 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,804 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,804 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,804 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,805 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,805 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-19 23:09:16,805 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-19 23:09:16,805 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:09:16,805 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:09:16,806 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:09:16,806 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:09:16,806 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:09:16,806 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:09:16,806 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-19 23:09:16,807 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-19 23:09:16,807 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-19 23:09:16,807 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,807 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,807 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,808 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,808 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,808 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-19 23:09:16,808 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-19 23:09:16,808 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-19 23:09:16,809 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-19 23:09:16,809 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:09:16,809 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:09:16,809 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:09:16,809 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:09:16,810 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:09:16,810 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-19 23:09:16,810 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-19 23:09:16,810 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-19 23:09:16,810 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-19 23:09:16,811 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-19 23:09:16,811 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,811 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,811 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,811 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,811 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,812 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-19 23:09:16,812 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:09:16,812 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:09:16,812 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:09:16,812 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:09:16,813 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:09:16,813 INFO L270 CegarLoopResult]: At program point L575(lines 22 576) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse2 (= ~a10~0 0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 1 ~a10~0) .cse1) (and .cse0 (<= 9 ~a19~0) .cse2 .cse1) (and (= ~a19~0 8) .cse0 .cse2 .cse1) (and .cse0 .cse2 .cse1 (<= ~a1~0 23)))) [2020-10-19 23:09:16,813 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-19 23:09:16,814 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-19 23:09:16,814 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-19 23:09:16,814 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-19 23:09:16,814 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,814 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,815 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,815 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,815 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,815 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-19 23:09:16,815 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-19 23:09:16,816 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-19 23:09:16,816 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:09:16,816 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:09:16,816 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:09:16,816 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:09:16,817 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:09:16,817 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-19 23:09:16,817 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-19 23:09:16,817 INFO L277 CegarLoopResult]: At program point L578(lines 578 594) the Hoare annotation is: true [2020-10-19 23:09:16,817 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-19 23:09:16,818 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-19 23:09:16,818 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-19 23:09:16,818 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,818 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,818 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,819 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,819 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,819 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:09:16,819 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:09:16,819 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:09:16,819 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:09:16,820 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:09:16,820 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-19 23:09:16,820 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-19 23:09:16,820 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-19 23:09:16,820 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:09:16,820 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-19 23:09:16,821 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,821 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,821 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,821 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,821 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,822 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-19 23:09:16,822 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-19 23:09:16,822 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-19 23:09:16,822 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-19 23:09:16,822 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:09:16,822 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:09:16,823 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:09:16,823 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:09:16,823 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:09:16,823 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-19 23:09:16,823 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-19 23:09:16,823 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-19 23:09:16,824 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse2 (= ~a10~0 0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 1 ~a10~0) .cse1) (and .cse0 (<= 9 ~a19~0) .cse2 .cse1) (and (= ~a19~0 8) .cse0 .cse2 .cse1) (and .cse0 .cse2 .cse1 (<= ~a1~0 23)))) [2020-10-19 23:09:16,824 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-19 23:09:16,824 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,825 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,825 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,825 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,825 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:09:16,825 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,826 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,826 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-19 23:09:16,826 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-19 23:09:16,826 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-19 23:09:16,826 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:09:16,826 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:09:16,827 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:09:16,827 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:09:16,827 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:09:16,827 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:09:16,827 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-19 23:09:16,827 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-19 23:09:16,828 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:09:16,828 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-19 23:09:16,828 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-19 23:09:16,828 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,828 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,829 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,829 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,829 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,829 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,829 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-19 23:09:16,829 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-19 23:09:16,830 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-19 23:09:16,830 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:09:16,830 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:09:16,830 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:09:16,830 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:09:16,830 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:09:16,831 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:09:16,831 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-19 23:09:16,831 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-19 23:09:16,831 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-19 23:09:16,831 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:09:16,831 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-19 23:09:16,832 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-19 23:09:16,832 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-19 23:09:16,832 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,832 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,832 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,832 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,833 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,833 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,833 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-19 23:09:16,833 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:09:16,833 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:09:16,834 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:09:16,834 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:09:16,834 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:09:16,834 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:09:16,834 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-19 23:09:16,835 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-19 23:09:16,835 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-19 23:09:16,835 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-19 23:09:16,835 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-19 23:09:16,835 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-19 23:09:16,835 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,836 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,836 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,836 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,836 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,836 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:09:16,837 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,837 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:09:16,837 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-19 23:09:16,837 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-19 23:09:16,838 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-19 23:09:16,838 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:09:16,838 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:09:16,838 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:09:16,838 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:09:16,839 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:09:16,839 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:09:16,839 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-19 23:09:16,839 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-19 23:09:16,839 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-19 23:09:16,839 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,840 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,840 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,840 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,840 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,840 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:16,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:09:16 BoogieIcfgContainer [2020-10-19 23:09:16,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:09:16,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:09:16,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:09:16,864 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:09:16,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:09:06" (3/4) ... [2020-10-19 23:09:16,868 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:09:16,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:09:16,891 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:09:16,892 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:09:16,893 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:09:17,053 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:09:17,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:09:17,057 INFO L168 Benchmark]: Toolchain (without parser) took 12893.67 ms. Allocated memory was 41.9 MB in the beginning and 136.8 MB in the end (delta: 94.9 MB). Free memory was 18.8 MB in the beginning and 28.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 85.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:17,057 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 31.5 MB. Free memory was 7.8 MB in the beginning and 7.7 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-19 23:09:17,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.18 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 17.9 MB in the beginning and 14.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:17,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.65 ms. Allocated memory is still 44.6 MB. Free memory was 14.8 MB in the beginning and 21.8 MB in the end (delta: -7.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:17,059 INFO L168 Benchmark]: Boogie Preprocessor took 80.67 ms. Allocated memory is still 44.6 MB. Free memory was 21.8 MB in the beginning and 16.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:17,060 INFO L168 Benchmark]: RCFGBuilder took 1695.15 ms. Allocated memory was 44.6 MB in the beginning and 55.1 MB in the end (delta: 10.5 MB). Free memory was 16.2 MB in the beginning and 22.1 MB in the end (delta: -5.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:17,060 INFO L168 Benchmark]: TraceAbstraction took 10140.45 ms. Allocated memory was 55.1 MB in the beginning and 136.8 MB in the end (delta: 81.8 MB). Free memory was 21.3 MB in the beginning and 49.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:17,061 INFO L168 Benchmark]: Witness Printer took 190.87 ms. Allocated memory is still 136.8 MB. Free memory was 49.2 MB in the beginning and 28.5 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:17,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 31.5 MB. Free memory was 7.8 MB in the beginning and 7.7 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 664.18 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 17.9 MB in the beginning and 14.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 109.65 ms. Allocated memory is still 44.6 MB. Free memory was 14.8 MB in the beginning and 21.8 MB in the end (delta: -7.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 80.67 ms. Allocated memory is still 44.6 MB. Free memory was 21.8 MB in the beginning and 16.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1695.15 ms. Allocated memory was 44.6 MB in the beginning and 55.1 MB in the end (delta: 10.5 MB). Free memory was 16.2 MB in the beginning and 22.1 MB in the end (delta: -5.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 10140.45 ms. Allocated memory was 55.1 MB in the beginning and 136.8 MB in the end (delta: 81.8 MB). Free memory was 21.3 MB in the beginning and 49.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 14.3 GB. * Witness Printer took 190.87 ms. Allocated memory is still 136.8 MB. Free memory was 49.2 MB in the beginning and 28.5 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((14 == a4 && 1 <= a10) && a12 == 0) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || (((a19 == 8 && 14 == a4) && a10 == 0) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a1 <= 23) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((14 == a4 && 1 <= a10) && a12 == 0) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || (((a19 == 8 && 14 == a4) && a10 == 0) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a1 <= 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.8s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 417 SDtfs, 909 SDslu, 44 SDs, 0 SdLazy, 3220 SolverSat, 398 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 383 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 417 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 27 NumberOfFragments, 101 HoareAnnotationTreeSize, 3 FomulaSimplifications, 328 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 70 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1574 NumberOfCodeBlocks, 1574 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1564 ConstructedInterpolants, 0 QuantifiedInterpolants, 1469856 SizeOfPredicates, 2 NumberOfNonLiveVariables, 541 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 538/626 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...