./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label01.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/Problem14_label01.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 99cfaaf5b36b484986b7cc5725e41b23e74c681b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:26:25,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:26:25,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:26:25,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:26:25,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:26:25,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:26:25,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:26:25,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:26:25,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:26:25,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:26:25,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:26:25,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:26:25,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:26:25,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:26:25,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:26:25,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:26:25,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:26:25,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:26:25,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:26:25,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:26:25,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:26:25,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:26:25,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:26:25,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:26:25,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:26:25,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:26:25,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:26:25,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:26:25,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:26:25,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:26:25,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:26:25,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:26:25,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:26:25,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:26:25,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:26:25,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:26:25,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:26:25,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:26:25,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:26:25,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:26:25,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:26:25,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:26:25,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:26:25,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:26:25,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:26:25,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:26:25,951 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:26:25,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:26:25,951 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:26:25,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:26:25,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:26:25,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:26:25,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:26:25,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:26:25,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:26:25,953 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:26:25,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:26:25,954 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:26:25,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:26:25,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:26:25,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:26:25,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:26:25,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:26:25,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:26:25,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:26:25,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:26:25,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:26:25,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:26:25,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:26:25,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:26:25,957 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:26:25,957 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 -> 99cfaaf5b36b484986b7cc5725e41b23e74c681b [2020-10-19 23:26:26,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:26:26,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:26:26,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:26:26,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:26:26,182 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:26:26,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label01.c [2020-10-19 23:26:26,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526d87e0c/2033b0e7adf5434a86101a12bebe61e1/FLAG6a4faf099 [2020-10-19 23:26:26,895 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:26:26,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label01.c [2020-10-19 23:26:26,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526d87e0c/2033b0e7adf5434a86101a12bebe61e1/FLAG6a4faf099 [2020-10-19 23:26:27,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526d87e0c/2033b0e7adf5434a86101a12bebe61e1 [2020-10-19 23:26:27,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:26:27,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:26:27,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:26:27,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:26:27,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:26:27,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:26:27" (1/1) ... [2020-10-19 23:26:27,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502a0525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:27, skipping insertion in model container [2020-10-19 23:26:27,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:26:27" (1/1) ... [2020-10-19 23:26:27,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:26:27,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:26:27,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:26:27,871 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:26:27,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:26:28,017 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:26:28,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28 WrapperNode [2020-10-19 23:26:28,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:26:28,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:26:28,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:26:28,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:26:28,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (1/1) ... [2020-10-19 23:26:28,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (1/1) ... [2020-10-19 23:26:28,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:26:28,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:26:28,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:26:28,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:26:28,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (1/1) ... [2020-10-19 23:26:28,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (1/1) ... [2020-10-19 23:26:28,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (1/1) ... [2020-10-19 23:26:28,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (1/1) ... [2020-10-19 23:26:28,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (1/1) ... [2020-10-19 23:26:28,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (1/1) ... [2020-10-19 23:26:28,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (1/1) ... [2020-10-19 23:26:28,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:26:28,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:26:28,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:26:28,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:26:28,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (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 23:26:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:26:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:26:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:26:28,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:26:29,910 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:26:29,910 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:26:29,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:26:29 BoogieIcfgContainer [2020-10-19 23:26:29,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:26:29,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:26:29,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:26:29,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:26:29,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:26:27" (1/3) ... [2020-10-19 23:26:29,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204e871e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:26:29, skipping insertion in model container [2020-10-19 23:26:29,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:28" (2/3) ... [2020-10-19 23:26:29,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204e871e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:26:29, skipping insertion in model container [2020-10-19 23:26:29,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:26:29" (3/3) ... [2020-10-19 23:26:29,925 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label01.c [2020-10-19 23:26:29,940 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:26:29,949 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:26:29,967 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:26:30,042 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:26:30,042 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:26:30,043 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:26:30,043 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:26:30,043 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:26:30,043 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:26:30,044 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:26:30,044 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:26:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:26:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-19 23:26:30,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:30,076 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] [2020-10-19 23:26:30,077 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:30,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:30,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1425694346, now seen corresponding path program 1 times [2020-10-19 23:26:30,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:30,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427643066] [2020-10-19 23:26:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:30,457 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 23:26:30,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427643066] [2020-10-19 23:26:30,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:30,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:26:30,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841462703] [2020-10-19 23:26:30,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:30,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:30,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:30,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:30,485 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-19 23:26:31,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:31,923 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-19 23:26:31,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:31,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-10-19 23:26:31,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:31,943 INFO L225 Difference]: With dead ends: 670 [2020-10-19 23:26:31,943 INFO L226 Difference]: Without dead ends: 360 [2020-10-19 23:26:31,948 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 23:26:31,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-19 23:26:32,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-19 23:26:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-19 23:26:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions. [2020-10-19 23:26:32,015 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 54 [2020-10-19 23:26:32,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:32,016 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions. [2020-10-19 23:26:32,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions. [2020-10-19 23:26:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-19 23:26:32,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:32,030 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, 1, 1, 1, 1, 1, 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 23:26:32,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:26:32,031 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:32,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:32,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1608592567, now seen corresponding path program 1 times [2020-10-19 23:26:32,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:32,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957068939] [2020-10-19 23:26:32,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:26:32,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957068939] [2020-10-19 23:26:32,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:32,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:26:32,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027603205] [2020-10-19 23:26:32,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:32,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:32,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:32,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:32,289 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand 3 states. [2020-10-19 23:26:33,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:33,355 INFO L93 Difference]: Finished difference Result 1076 states and 1634 transitions. [2020-10-19 23:26:33,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:33,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-10-19 23:26:33,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:33,365 INFO L225 Difference]: With dead ends: 1076 [2020-10-19 23:26:33,366 INFO L226 Difference]: Without dead ends: 718 [2020-10-19 23:26:33,369 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 23:26:33,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-10-19 23:26:33,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-10-19 23:26:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-19 23:26:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 969 transitions. [2020-10-19 23:26:33,434 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 969 transitions. Word has length 129 [2020-10-19 23:26:33,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:33,437 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 969 transitions. [2020-10-19 23:26:33,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:33,437 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 969 transitions. [2020-10-19 23:26:33,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-19 23:26:33,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:33,441 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:26:33,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:26:33,441 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:33,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:33,442 INFO L82 PathProgramCache]: Analyzing trace with hash 709297983, now seen corresponding path program 1 times [2020-10-19 23:26:33,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:33,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869081086] [2020-10-19 23:26:33,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:26:33,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869081086] [2020-10-19 23:26:33,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:33,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:26:33,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819251014] [2020-10-19 23:26:33,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:26:33,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:33,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:26:33,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:26:33,719 INFO L87 Difference]: Start difference. First operand 716 states and 969 transitions. Second operand 4 states. [2020-10-19 23:26:35,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:35,179 INFO L93 Difference]: Finished difference Result 1966 states and 2575 transitions. [2020-10-19 23:26:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:26:35,180 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-10-19 23:26:35,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:35,188 INFO L225 Difference]: With dead ends: 1966 [2020-10-19 23:26:35,189 INFO L226 Difference]: Without dead ends: 1252 [2020-10-19 23:26:35,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:26:35,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-10-19 23:26:35,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-10-19 23:26:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-19 23:26:35,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1546 transitions. [2020-10-19 23:26:35,221 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1546 transitions. Word has length 133 [2020-10-19 23:26:35,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:35,222 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1546 transitions. [2020-10-19 23:26:35,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:26:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1546 transitions. [2020-10-19 23:26:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-19 23:26:35,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:35,228 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, 2, 2, 2, 2, 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] [2020-10-19 23:26:35,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:26:35,229 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:35,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:35,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1008994707, now seen corresponding path program 1 times [2020-10-19 23:26:35,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:35,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426305642] [2020-10-19 23:26:35,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-19 23:26:35,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426305642] [2020-10-19 23:26:35,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:35,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:26:35,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569683861] [2020-10-19 23:26:35,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:26:35,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:35,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:26:35,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:26:35,473 INFO L87 Difference]: Start difference. First operand 1250 states and 1546 transitions. Second operand 4 states. [2020-10-19 23:26:36,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:36,602 INFO L93 Difference]: Finished difference Result 2707 states and 3359 transitions. [2020-10-19 23:26:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:26:36,603 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 213 [2020-10-19 23:26:36,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:36,614 INFO L225 Difference]: With dead ends: 2707 [2020-10-19 23:26:36,614 INFO L226 Difference]: Without dead ends: 1608 [2020-10-19 23:26:36,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:26:36,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-10-19 23:26:36,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-10-19 23:26:36,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:26:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1804 transitions. [2020-10-19 23:26:36,666 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1804 transitions. Word has length 213 [2020-10-19 23:26:36,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:36,667 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1804 transitions. [2020-10-19 23:26:36,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:26:36,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1804 transitions. [2020-10-19 23:26:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-19 23:26:36,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:36,676 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:26:36,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:26:36,677 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:36,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:36,678 INFO L82 PathProgramCache]: Analyzing trace with hash -759451680, now seen corresponding path program 1 times [2020-10-19 23:26:36,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:36,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178586003] [2020-10-19 23:26:36,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 203 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:26:37,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178586003] [2020-10-19 23:26:37,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894564019] [2020-10-19 23:26:37,291 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 23:26:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:37,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:26:37,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:26:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-19 23:26:37,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:26:37,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-19 23:26:37,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365778204] [2020-10-19 23:26:37,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:37,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:37,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:37,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:26:37,973 INFO L87 Difference]: Start difference. First operand 1606 states and 1804 transitions. Second operand 3 states. [2020-10-19 23:26:38,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:38,933 INFO L93 Difference]: Finished difference Result 3388 states and 3907 transitions. [2020-10-19 23:26:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:38,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-10-19 23:26:38,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:38,943 INFO L225 Difference]: With dead ends: 3388 [2020-10-19 23:26:38,944 INFO L226 Difference]: Without dead ends: 1962 [2020-10-19 23:26:38,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:26:38,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-19 23:26:38,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-10-19 23:26:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:26:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2201 transitions. [2020-10-19 23:26:38,989 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2201 transitions. Word has length 340 [2020-10-19 23:26:38,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:38,990 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2201 transitions. [2020-10-19 23:26:38,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2201 transitions. [2020-10-19 23:26:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-10-19 23:26:38,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:38,996 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-19 23:26:39,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:26:39,211 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:39,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:39,211 INFO L82 PathProgramCache]: Analyzing trace with hash -748306346, now seen corresponding path program 1 times [2020-10-19 23:26:39,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:39,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263164385] [2020-10-19 23:26:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 286 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:26:39,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263164385] [2020-10-19 23:26:39,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123013764] [2020-10-19 23:26:39,877 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 23:26:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:40,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:26:40,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:26:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-19 23:26:40,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:26:40,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:26:40,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614386945] [2020-10-19 23:26:40,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:40,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:40,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:40,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:26:40,198 INFO L87 Difference]: Start difference. First operand 1962 states and 2201 transitions. Second operand 3 states. [2020-10-19 23:26:41,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:41,103 INFO L93 Difference]: Finished difference Result 2320 states and 2619 transitions. [2020-10-19 23:26:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:41,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 344 [2020-10-19 23:26:41,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:41,118 INFO L225 Difference]: With dead ends: 2320 [2020-10-19 23:26:41,119 INFO L226 Difference]: Without dead ends: 2318 [2020-10-19 23:26:41,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:26:41,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-10-19 23:26:41,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-10-19 23:26:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-19 23:26:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2413 transitions. [2020-10-19 23:26:41,192 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2413 transitions. Word has length 344 [2020-10-19 23:26:41,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:41,197 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2413 transitions. [2020-10-19 23:26:41,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2413 transitions. [2020-10-19 23:26:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2020-10-19 23:26:41,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:41,212 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 23:26:41,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:26:41,425 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:41,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:41,427 INFO L82 PathProgramCache]: Analyzing trace with hash 2037991369, now seen corresponding path program 1 times [2020-10-19 23:26:41,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:41,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797372220] [2020-10-19 23:26:41,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 339 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:26:42,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797372220] [2020-10-19 23:26:42,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934198643] [2020-10-19 23:26:42,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:26:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:42,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:26:42,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:26:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:26:42,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:26:42,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:26:42,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548875336] [2020-10-19 23:26:42,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:42,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:42,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:42,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:26:42,542 INFO L87 Difference]: Start difference. First operand 2140 states and 2413 transitions. Second operand 3 states. [2020-10-19 23:26:43,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:43,291 INFO L93 Difference]: Finished difference Result 4634 states and 5329 transitions. [2020-10-19 23:26:43,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:43,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 426 [2020-10-19 23:26:43,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:43,306 INFO L225 Difference]: With dead ends: 4634 [2020-10-19 23:26:43,306 INFO L226 Difference]: Without dead ends: 2674 [2020-10-19 23:26:43,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:26:43,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-19 23:26:43,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2318. [2020-10-19 23:26:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-10-19 23:26:43,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2663 transitions. [2020-10-19 23:26:43,376 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2663 transitions. Word has length 426 [2020-10-19 23:26:43,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:43,377 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2663 transitions. [2020-10-19 23:26:43,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:43,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2663 transitions. [2020-10-19 23:26:43,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2020-10-19 23:26:43,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:43,388 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 23:26:43,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:26:43,593 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:43,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:43,593 INFO L82 PathProgramCache]: Analyzing trace with hash 999323573, now seen corresponding path program 1 times [2020-10-19 23:26:43,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:43,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558986150] [2020-10-19 23:26:43,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 623 proven. 130 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-19 23:26:44,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558986150] [2020-10-19 23:26:44,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598861172] [2020-10-19 23:26:44,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:26:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:44,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:26:44,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:26:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2020-10-19 23:26:44,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:26:44,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:26:44,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676359939] [2020-10-19 23:26:44,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:44,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:44,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:44,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:26:44,849 INFO L87 Difference]: Start difference. First operand 2318 states and 2663 transitions. Second operand 3 states. [2020-10-19 23:26:45,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:45,809 INFO L93 Difference]: Finished difference Result 5344 states and 6252 transitions. [2020-10-19 23:26:45,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:45,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 486 [2020-10-19 23:26:45,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:45,812 INFO L225 Difference]: With dead ends: 5344 [2020-10-19 23:26:45,812 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:26:45,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:26:45,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:26:45,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:26:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:26:45,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:26:45,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 486 [2020-10-19 23:26:45,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:45,819 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:26:45,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:26:45,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:26:46,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:26:46,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:26:46,122 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:26:46,122 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:26:46,122 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:26:46,122 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:26:46,122 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:26:46,123 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:26:46,123 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:26:46,123 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,123 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,123 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,124 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:26:46,124 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:26:46,124 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:26:46,124 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:26:46,124 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:26:46,124 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:26:46,124 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:26:46,124 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:26:46,124 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,124 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,125 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,125 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:26:46,125 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:26:46,125 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:26:46,126 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:26:46,126 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:26:46,126 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:26:46,126 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:26:46,126 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:26:46,126 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,126 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,126 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,126 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:26:46,126 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:26:46,127 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:26:46,127 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:26:46,127 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:26:46,127 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:26:46,127 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:26:46,127 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:26:46,127 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:26:46,127 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,127 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,127 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,128 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:26:46,128 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:26:46,128 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:26:46,128 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:26:46,128 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:26:46,129 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:26:46,129 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:26:46,129 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,129 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,130 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,130 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:26:46,130 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:26:46,130 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:26:46,130 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:26:46,130 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:26:46,130 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:26:46,131 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:26:46,131 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:26:46,131 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:26:46,131 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,131 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,131 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,132 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:26:46,132 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:26:46,132 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:26:46,132 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:26:46,132 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:26:46,132 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:26:46,133 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:26:46,133 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:26:46,133 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,133 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,133 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,133 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:26:46,134 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:26:46,134 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:26:46,134 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:26:46,134 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:26:46,134 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:26:46,134 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:26:46,134 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:26:46,135 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:26:46,135 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,135 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,135 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,135 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:26:46,135 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:26:46,136 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:26:46,136 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:26:46,136 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:26:46,136 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:26:46,136 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:26:46,136 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:26:46,137 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,137 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,137 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,137 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:26:46,137 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:26:46,137 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:26:46,138 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:26:46,138 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:26:46,138 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:26:46,138 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:26:46,138 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:26:46,138 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,139 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,139 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,139 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:26:46,139 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:26:46,139 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:26:46,139 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:26:46,140 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:26:46,140 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:26:46,140 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:26:46,140 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:26:46,140 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:26:46,140 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:26:46,141 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,141 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,141 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,141 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:26:46,141 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:26:46,141 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:26:46,141 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:26:46,142 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:26:46,142 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:26:46,142 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:26:46,142 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:26:46,142 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:26:46,142 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,143 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,143 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,143 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:26:46,143 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:26:46,143 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:26:46,143 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:26:46,144 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:26:46,144 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:26:46,144 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:26:46,144 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:26:46,144 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,144 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,145 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:26:46,145 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:26:46,145 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:26:46,145 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:26:46,145 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:26:46,145 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:26:46,146 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:26:46,146 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:26:46,146 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,146 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,146 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:26:46,146 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:26:46,146 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:26:46,147 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:26:46,147 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:26:46,147 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:26:46,147 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,147 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,148 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (or (<= ~a21~0 7) (<= 9 ~a21~0) (<= 6 ~a15~0) (< 11 ~a12~0)) [2020-10-19 23:26:46,148 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:26:46,148 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:26:46,148 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:26:46,148 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:26:46,148 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:26:46,149 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:26:46,149 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:26:46,149 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:26:46,149 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,149 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,149 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:26:46,150 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:26:46,150 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:26:46,150 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:26:46,150 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:26:46,150 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:26:46,150 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:26:46,150 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:26:46,151 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:26:46,151 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,151 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,151 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:26:46,151 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:26:46,151 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:26:46,151 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:26:46,152 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:26:46,152 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:26:46,152 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,152 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,152 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:26:46,152 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,153 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:26:46,153 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (or (<= ~a21~0 7) (<= 9 ~a21~0) (<= 6 ~a15~0) (< 11 ~a12~0)) [2020-10-19 23:26:46,153 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:26:46,153 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:26:46,153 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:26:46,153 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:26:46,154 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:26:46,154 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:26:46,154 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:26:46,154 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:26:46,154 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:26:46,154 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,155 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,155 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,155 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:26:46,155 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:26:46,155 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:26:46,155 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:26:46,155 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:26:46,156 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:26:46,156 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:26:46,156 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:26:46,156 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:26:46,156 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:26:46,156 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,156 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,157 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,157 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:26:46,157 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:26:46,157 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:26:46,157 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:26:46,157 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:26:46,158 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:26:46,158 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:26:46,158 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:26:46,158 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,158 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,158 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,159 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:26:46,159 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:26:46,159 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:26:46,159 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:26:46,159 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:26:46,159 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:26:46,160 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:26:46,160 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:26:46,160 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:26:46,160 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,160 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,160 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:26:46,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:26:46 BoogieIcfgContainer [2020-10-19 23:26:46,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:26:46,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:26:46,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:26:46,180 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:26:46,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:26:29" (3/4) ... [2020-10-19 23:26:46,184 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:26:46,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:26:46,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:26:46,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:26:46,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:26:46,417 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:26:46,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:26:46,420 INFO L168 Benchmark]: Toolchain (without parser) took 19240.64 ms. Allocated memory was 40.9 MB in the beginning and 243.3 MB in the end (delta: 202.4 MB). Free memory was 16.7 MB in the beginning and 190.2 MB in the end (delta: -173.5 MB). Peak memory consumption was 210.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:26:46,421 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 31.5 MB. Free memory was 7.7 MB in the beginning and 7.6 MB in the end (delta: 43.8 kB). Peak memory consumption was 43.8 kB. Max. memory is 14.3 GB. [2020-10-19 23:26:46,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.85 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 15.9 MB in the beginning and 19.2 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:26:46,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.96 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 18.9 MB in the beginning and 21.8 MB in the end (delta: -2.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:26:46,423 INFO L168 Benchmark]: Boogie Preprocessor took 85.38 ms. Allocated memory is still 44.0 MB. Free memory was 21.8 MB in the beginning and 15.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:26:46,423 INFO L168 Benchmark]: RCFGBuilder took 1662.99 ms. Allocated memory was 44.0 MB in the beginning and 57.1 MB in the end (delta: 13.1 MB). Free memory was 15.1 MB in the beginning and 14.2 MB in the end (delta: 934.8 kB). Peak memory consumption was 17.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:26:46,424 INFO L168 Benchmark]: TraceAbstraction took 16263.96 ms. Allocated memory was 57.1 MB in the beginning and 243.8 MB in the end (delta: 186.6 MB). Free memory was 13.4 MB in the beginning and 20.5 MB in the end (delta: -7.0 MB). Peak memory consumption was 179.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:26:46,424 INFO L168 Benchmark]: Witness Printer took 238.40 ms. Allocated memory was 243.8 MB in the beginning and 243.3 MB in the end (delta: -524.3 kB). Free memory was 20.5 MB in the beginning and 190.2 MB in the end (delta: -169.7 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:26:46,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 31.5 MB. Free memory was 7.7 MB in the beginning and 7.6 MB in the end (delta: 43.8 kB). Peak memory consumption was 43.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 828.85 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 15.9 MB in the beginning and 19.2 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 143.96 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 18.9 MB in the beginning and 21.8 MB in the end (delta: -2.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 85.38 ms. Allocated memory is still 44.0 MB. Free memory was 21.8 MB in the beginning and 15.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1662.99 ms. Allocated memory was 44.0 MB in the beginning and 57.1 MB in the end (delta: 13.1 MB). Free memory was 15.1 MB in the beginning and 14.2 MB in the end (delta: 934.8 kB). Peak memory consumption was 17.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 16263.96 ms. Allocated memory was 57.1 MB in the beginning and 243.8 MB in the end (delta: 186.6 MB). Free memory was 13.4 MB in the beginning and 20.5 MB in the end (delta: -7.0 MB). Peak memory consumption was 179.6 MB. Max. memory is 14.3 GB. * Witness Printer took 238.40 ms. Allocated memory was 243.8 MB in the beginning and 243.3 MB in the end (delta: -524.3 kB). Free memory was 20.5 MB in the beginning and 190.2 MB in the end (delta: -169.7 MB). Peak memory consumption was 11.2 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: 22]: Loop Invariant Derived loop invariant: ((a21 <= 7 || 9 <= a21) || 6 <= a15) || 11 < a12 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((a21 <= 7 || 9 <= a21) || 6 <= a15) || 11 < a12 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 907 SDtfs, 1317 SDslu, 48 SDs, 0 SdLazy, 4403 SolverSat, 789 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1622 GetRequests, 1596 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2318occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 540 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 494 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3721 NumberOfCodeBlocks, 3721 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3709 ConstructedInterpolants, 0 QuantifiedInterpolants, 5411580 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2143 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 3959/4479 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...