./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem14_label19.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c182367b65c6b1e0e799235f4eaa75d3c91be5a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:10:08,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:10:08,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:10:08,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:10:08,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:10:08,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:10:08,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:10:08,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:10:08,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:10:08,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:10:08,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:10:08,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:10:08,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:10:08,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:10:08,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:10:08,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:10:08,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:10:08,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:10:08,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:10:08,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:10:08,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:10:08,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:10:08,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:10:08,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:10:08,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:10:08,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:10:08,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:10:08,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:10:08,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:10:08,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:10:08,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:10:08,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:10:08,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:10:08,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:10:08,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:10:08,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:10:08,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:10:08,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:10:08,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:10:08,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:10:08,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:10:08,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:10:08,961 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:10:08,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:10:08,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:10:08,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:10:08,964 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:10:08,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:10:08,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:10:08,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:10:08,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:10:08,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:10:08,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:10:08,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:10:08,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:10:08,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:10:08,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:10:08,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:10:08,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:10:08,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:10:08,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:10:08,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:10:08,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:10:08,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:10:08,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:10:08,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:10:08,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:10:08,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:10:08,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:10:08,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:10:08,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c182367b65c6b1e0e799235f4eaa75d3c91be5a [2019-11-27 23:10:09,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:10:09,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:10:09,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:10:09,277 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:10:09,277 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:10:09,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2019-11-27 23:10:09,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f34164ba/1c45e4e4a6454b818f9680383d8600d7/FLAGc01bea063 [2019-11-27 23:10:09,907 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:10:09,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2019-11-27 23:10:09,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f34164ba/1c45e4e4a6454b818f9680383d8600d7/FLAGc01bea063 [2019-11-27 23:10:10,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f34164ba/1c45e4e4a6454b818f9680383d8600d7 [2019-11-27 23:10:10,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:10:10,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:10:10,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:10:10,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:10:10,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:10:10,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:10,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4f4d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10, skipping insertion in model container [2019-11-27 23:10:10,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:10,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:10:10,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:10:10,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:10:10,820 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:10:10,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:10:10,990 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:10:10,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10 WrapperNode [2019-11-27 23:10:10,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:10:10,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:10:10,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:10:10,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:10:11,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:11,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:11,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:10:11,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:10:11,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:10:11,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:10:11,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:11,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:11,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:11,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:11,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:11,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:11,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (1/1) ... [2019-11-27 23:10:11,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:10:11,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:10:11,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:10:11,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:10:11,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:10:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:10:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:10:12,668 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:10:12,669 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:10:12,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:10:12 BoogieIcfgContainer [2019-11-27 23:10:12,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:10:12,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:10:12,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:10:12,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:10:12,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:10:10" (1/3) ... [2019-11-27 23:10:12,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67472b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:10:12, skipping insertion in model container [2019-11-27 23:10:12,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:10" (2/3) ... [2019-11-27 23:10:12,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67472b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:10:12, skipping insertion in model container [2019-11-27 23:10:12,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:10:12" (3/3) ... [2019-11-27 23:10:12,685 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label19.c [2019-11-27 23:10:12,695 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:10:12,705 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:10:12,720 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:10:12,765 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:10:12,766 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:10:12,766 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:10:12,767 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:10:12,767 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:10:12,767 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:10:12,768 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:10:12,768 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:10:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-27 23:10:12,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-27 23:10:12,812 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:12,813 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:10:12,814 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:12,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:12,821 INFO L82 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2019-11-27 23:10:12,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:12,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879309215] [2019-11-27 23:10:12,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:10:13,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879309215] [2019-11-27 23:10:13,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:10:13,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:10:13,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387456668] [2019-11-27 23:10:13,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:10:13,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:13,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:10:13,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:13,203 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-27 23:10:15,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:15,023 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-11-27 23:10:15,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:10:15,025 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2019-11-27 23:10:15,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:15,044 INFO L225 Difference]: With dead ends: 850 [2019-11-27 23:10:15,044 INFO L226 Difference]: Without dead ends: 538 [2019-11-27 23:10:15,049 INFO L630 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 [2019-11-27 23:10:15,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-27 23:10:15,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-27 23:10:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-27 23:10:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 826 transitions. [2019-11-27 23:10:15,136 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 826 transitions. Word has length 62 [2019-11-27 23:10:15,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:15,137 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 826 transitions. [2019-11-27 23:10:15,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:10:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 826 transitions. [2019-11-27 23:10:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-11-27 23:10:15,152 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:15,153 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:10:15,154 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:15,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:15,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1827608603, now seen corresponding path program 1 times [2019-11-27 23:10:15,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:15,155 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543979265] [2019-11-27 23:10:15,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-27 23:10:15,414 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543979265] [2019-11-27 23:10:15,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:10:15,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:10:15,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495545058] [2019-11-27 23:10:15,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:10:15,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:15,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:10:15,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:15,418 INFO L87 Difference]: Start difference. First operand 538 states and 826 transitions. Second operand 4 states. [2019-11-27 23:10:16,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:16,895 INFO L93 Difference]: Finished difference Result 1964 states and 3003 transitions. [2019-11-27 23:10:16,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:10:16,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 197 [2019-11-27 23:10:16,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:16,905 INFO L225 Difference]: With dead ends: 1964 [2019-11-27 23:10:16,905 INFO L226 Difference]: Without dead ends: 1428 [2019-11-27 23:10:16,909 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:16,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2019-11-27 23:10:16,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2019-11-27 23:10:16,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-27 23:10:16,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2029 transitions. [2019-11-27 23:10:16,976 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2029 transitions. Word has length 197 [2019-11-27 23:10:16,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:16,977 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 2029 transitions. [2019-11-27 23:10:16,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:10:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2029 transitions. [2019-11-27 23:10:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-27 23:10:16,984 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:16,985 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:10:16,985 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:16,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:16,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1276105881, now seen corresponding path program 1 times [2019-11-27 23:10:16,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:16,986 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802901173] [2019-11-27 23:10:16,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-27 23:10:17,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802901173] [2019-11-27 23:10:17,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:10:17,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:10:17,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489290527] [2019-11-27 23:10:17,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:10:17,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:17,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:10:17,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:17,110 INFO L87 Difference]: Start difference. First operand 1428 states and 2029 transitions. Second operand 4 states. [2019-11-27 23:10:18,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:18,427 INFO L93 Difference]: Finished difference Result 4456 states and 6356 transitions. [2019-11-27 23:10:18,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:10:18,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2019-11-27 23:10:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:18,444 INFO L225 Difference]: With dead ends: 4456 [2019-11-27 23:10:18,444 INFO L226 Difference]: Without dead ends: 3030 [2019-11-27 23:10:18,447 INFO L630 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 [2019-11-27 23:10:18,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-11-27 23:10:18,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2019-11-27 23:10:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-11-27 23:10:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3755 transitions. [2019-11-27 23:10:18,517 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3755 transitions. Word has length 200 [2019-11-27 23:10:18,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:18,518 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3755 transitions. [2019-11-27 23:10:18,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:10:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3755 transitions. [2019-11-27 23:10:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-27 23:10:18,524 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:18,525 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:10:18,525 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:18,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:18,526 INFO L82 PathProgramCache]: Analyzing trace with hash 932729713, now seen corresponding path program 1 times [2019-11-27 23:10:18,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:18,526 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777256758] [2019-11-27 23:10:18,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 162 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-27 23:10:18,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777256758] [2019-11-27 23:10:18,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026829661] [2019-11-27 23:10:18,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:10:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:18,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:10:18,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:10:19,124 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-27 23:10:19,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 23:10:19,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2019-11-27 23:10:19,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674229797] [2019-11-27 23:10:19,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:10:19,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:19,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:10:19,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-27 23:10:19,128 INFO L87 Difference]: Start difference. First operand 2852 states and 3755 transitions. Second operand 4 states. [2019-11-27 23:10:20,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:20,609 INFO L93 Difference]: Finished difference Result 6414 states and 8515 transitions. [2019-11-27 23:10:20,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:10:20,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2019-11-27 23:10:20,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:20,629 INFO L225 Difference]: With dead ends: 6414 [2019-11-27 23:10:20,629 INFO L226 Difference]: Without dead ends: 3564 [2019-11-27 23:10:20,635 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:10:20,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2019-11-27 23:10:20,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3208. [2019-11-27 23:10:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-11-27 23:10:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3992 transitions. [2019-11-27 23:10:20,717 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3992 transitions. Word has length 221 [2019-11-27 23:10:20,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:20,718 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 3992 transitions. [2019-11-27 23:10:20,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:10:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3992 transitions. [2019-11-27 23:10:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2019-11-27 23:10:20,729 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:20,729 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-11-27 23:10:20,941 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:10:20,943 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:20,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:20,944 INFO L82 PathProgramCache]: Analyzing trace with hash -105420716, now seen corresponding path program 1 times [2019-11-27 23:10:20,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:20,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381769847] [2019-11-27 23:10:20,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 271 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2019-11-27 23:10:21,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381769847] [2019-11-27 23:10:21,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960550014] [2019-11-27 23:10:21,377 INFO L94 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 [2019-11-27 23:10:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:21,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:10:21,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:10:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 297 proven. 49 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-27 23:10:21,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-27 23:10:21,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-11-27 23:10:21,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651599020] [2019-11-27 23:10:21,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:10:21,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:21,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:10:21,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:10:21,663 INFO L87 Difference]: Start difference. First operand 3208 states and 3992 transitions. Second operand 8 states. [2019-11-27 23:10:27,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:27,222 INFO L93 Difference]: Finished difference Result 7044 states and 8759 transitions. [2019-11-27 23:10:27,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-27 23:10:27,223 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 338 [2019-11-27 23:10:27,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:27,223 INFO L225 Difference]: With dead ends: 7044 [2019-11-27 23:10:27,223 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:10:27,230 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-27 23:10:27,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:10:27,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:10:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:10:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:10:27,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 338 [2019-11-27 23:10:27,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:27,232 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:10:27,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:10:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:10:27,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:10:27,433 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:10:27,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:10:27,616 INFO L246 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-27 23:10:27,616 INFO L246 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-27 23:10:27,616 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,617 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,617 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,617 INFO L246 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-27 23:10:27,617 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-27 23:10:27,617 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-27 23:10:27,617 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-27 23:10:27,617 INFO L246 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-27 23:10:27,617 INFO L246 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-27 23:10:27,618 INFO L246 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-27 23:10:27,618 INFO L246 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-27 23:10:27,618 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,618 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,618 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,618 INFO L246 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-27 23:10:27,618 INFO L246 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-27 23:10:27,618 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-27 23:10:27,618 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-27 23:10:27,619 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-27 23:10:27,625 INFO L246 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-27 23:10:27,625 INFO L246 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-27 23:10:27,625 INFO L246 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-27 23:10:27,625 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,625 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,626 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,626 INFO L246 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-27 23:10:27,627 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-27 23:10:27,627 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-27 23:10:27,627 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-27 23:10:27,627 INFO L246 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-27 23:10:27,627 INFO L246 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-27 23:10:27,628 INFO L246 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-27 23:10:27,628 INFO L246 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-27 23:10:27,628 INFO L246 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-27 23:10:27,628 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,628 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,631 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,634 INFO L246 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-27 23:10:27,634 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-27 23:10:27,634 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-27 23:10:27,635 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-27 23:10:27,635 INFO L246 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-27 23:10:27,635 INFO L246 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-27 23:10:27,635 INFO L246 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-27 23:10:27,635 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,636 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,636 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,636 INFO L246 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-27 23:10:27,636 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-27 23:10:27,636 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-27 23:10:27,637 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-27 23:10:27,637 INFO L246 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-27 23:10:27,637 INFO L246 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-27 23:10:27,637 INFO L246 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-27 23:10:27,637 INFO L246 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-27 23:10:27,637 INFO L246 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-27 23:10:27,638 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,638 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,641 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,641 INFO L246 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-27 23:10:27,641 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-27 23:10:27,641 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-27 23:10:27,641 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-27 23:10:27,642 INFO L246 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-27 23:10:27,642 INFO L246 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-27 23:10:27,642 INFO L246 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-27 23:10:27,642 INFO L246 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-27 23:10:27,642 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,643 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,643 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,643 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-27 23:10:27,643 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-27 23:10:27,643 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-27 23:10:27,643 INFO L246 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-27 23:10:27,644 INFO L246 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-27 23:10:27,644 INFO L246 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-27 23:10:27,644 INFO L246 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-27 23:10:27,644 INFO L246 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-27 23:10:27,646 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,646 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,646 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,646 INFO L246 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-27 23:10:27,646 INFO L246 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-27 23:10:27,647 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:10:27,647 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-27 23:10:27,647 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-27 23:10:27,647 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-27 23:10:27,649 INFO L246 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-27 23:10:27,649 INFO L246 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-27 23:10:27,649 INFO L246 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-27 23:10:27,649 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,649 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,650 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,650 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-27 23:10:27,650 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-27 23:10:27,650 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-27 23:10:27,650 INFO L246 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-27 23:10:27,652 INFO L246 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-27 23:10:27,652 INFO L246 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-27 23:10:27,652 INFO L246 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-27 23:10:27,652 INFO L246 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-27 23:10:27,652 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,653 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,653 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,653 INFO L246 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-27 23:10:27,655 INFO L246 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-27 23:10:27,655 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-27 23:10:27,655 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-27 23:10:27,655 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-27 23:10:27,655 INFO L246 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-27 23:10:27,656 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:10:27,656 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2019-11-27 23:10:27,656 INFO L246 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-27 23:10:27,656 INFO L246 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-27 23:10:27,656 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,657 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,658 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,658 INFO L246 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-27 23:10:27,658 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-27 23:10:27,658 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-27 23:10:27,658 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-27 23:10:27,659 INFO L246 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-27 23:10:27,659 INFO L246 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-27 23:10:27,659 INFO L246 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-27 23:10:27,661 INFO L246 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-27 23:10:27,661 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,661 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,661 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,661 INFO L246 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-27 23:10:27,662 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-27 23:10:27,662 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-27 23:10:27,662 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-27 23:10:27,662 INFO L246 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-27 23:10:27,662 INFO L246 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-27 23:10:27,663 INFO L246 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-27 23:10:27,664 INFO L246 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-27 23:10:27,664 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,664 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,664 INFO L246 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-27 23:10:27,664 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-27 23:10:27,665 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-27 23:10:27,665 INFO L246 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-27 23:10:27,665 INFO L246 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-27 23:10:27,665 INFO L246 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-27 23:10:27,665 INFO L246 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-27 23:10:27,665 INFO L246 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-27 23:10:27,667 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,669 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,669 INFO L246 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-27 23:10:27,669 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-27 23:10:27,669 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-27 23:10:27,669 INFO L246 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-27 23:10:27,670 INFO L246 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-27 23:10:27,670 INFO L246 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-27 23:10:27,670 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,670 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,671 INFO L242 CegarLoopResult]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse3 (= ~a15~0 6))) (let ((.cse0 (= ~a21~0 9)) (.cse1 (= ~a24~0 1)) (.cse2 (not .cse3))) (or (and (not .cse0) .cse1 .cse2) (and .cse1 .cse0 .cse3) (and .cse1 (< 0 (+ ~a12~0 43))) (and (<= (+ ~a12~0 49) 0) .cse2)))) [2019-11-27 23:10:27,672 INFO L246 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-27 23:10:27,672 INFO L246 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-27 23:10:27,672 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-27 23:10:27,672 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-27 23:10:27,672 INFO L246 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-27 23:10:27,674 INFO L246 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-27 23:10:27,674 INFO L246 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-27 23:10:27,674 INFO L246 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-27 23:10:27,675 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,675 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,675 INFO L249 CegarLoopResult]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-27 23:10:27,675 INFO L246 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-27 23:10:27,675 INFO L246 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-27 23:10:27,675 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-27 23:10:27,676 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-27 23:10:27,677 INFO L246 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-27 23:10:27,677 INFO L246 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-27 23:10:27,677 INFO L246 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-27 23:10:27,677 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,677 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,678 INFO L246 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-27 23:10:27,679 INFO L246 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-27 23:10:27,679 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-27 23:10:27,679 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-27 23:10:27,679 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:10:27,679 INFO L246 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-27 23:10:27,680 INFO L246 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-27 23:10:27,680 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,682 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,682 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-27 23:10:27,682 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,682 INFO L246 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-27 23:10:27,683 INFO L242 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse3 (= ~a15~0 6))) (let ((.cse0 (= ~a21~0 9)) (.cse1 (= ~a24~0 1)) (.cse2 (not .cse3))) (or (and (not .cse0) .cse1 .cse2) (and .cse1 .cse0 .cse3) (and .cse1 (< 0 (+ ~a12~0 43))) (and (<= (+ ~a12~0 49) 0) .cse2)))) [2019-11-27 23:10:27,683 INFO L246 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-27 23:10:27,683 INFO L246 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-27 23:10:27,683 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-27 23:10:27,683 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-27 23:10:27,683 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-27 23:10:27,684 INFO L246 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-27 23:10:27,684 INFO L246 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-27 23:10:27,684 INFO L246 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-27 23:10:27,684 INFO L246 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-27 23:10:27,684 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,685 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,685 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,685 INFO L246 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-27 23:10:27,685 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-27 23:10:27,685 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-27 23:10:27,685 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-27 23:10:27,686 INFO L246 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-27 23:10:27,686 INFO L246 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-27 23:10:27,686 INFO L246 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-27 23:10:27,686 INFO L246 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-27 23:10:27,686 INFO L246 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-27 23:10:27,687 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,687 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,688 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,688 INFO L246 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-27 23:10:27,688 INFO L246 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-27 23:10:27,688 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-27 23:10:27,688 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-27 23:10:27,688 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:10:27,689 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-27 23:10:27,689 INFO L246 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-27 23:10:27,689 INFO L246 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-27 23:10:27,689 INFO L246 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-27 23:10:27,689 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,690 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,690 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,690 INFO L246 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-27 23:10:27,690 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-27 23:10:27,690 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-27 23:10:27,690 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-27 23:10:27,691 INFO L246 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-27 23:10:27,691 INFO L246 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-27 23:10:27,691 INFO L246 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-27 23:10:27,691 INFO L246 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-27 23:10:27,691 INFO L246 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-27 23:10:27,691 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,692 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,692 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:27,692 INFO L246 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-27 23:10:27,692 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-27 23:10:27,692 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-27 23:10:27,692 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-27 23:10:27,693 INFO L246 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-27 23:10:27,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:10:27 BoogieIcfgContainer [2019-11-27 23:10:27,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:10:27,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:10:27,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:10:27,716 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:10:27,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:10:12" (3/4) ... [2019-11-27 23:10:27,720 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:10:27,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:10:27,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:10:27,958 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:10:27,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:10:27,961 INFO L168 Benchmark]: Toolchain (without parser) took 17762.68 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 467.1 MB). Free memory was 955.0 MB in the beginning and 1.3 GB in the end (delta: -358.1 MB). Peak memory consumption was 109.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:27,961 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:10:27,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:27,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:27,963 INFO L168 Benchmark]: Boogie Preprocessor took 131.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:27,963 INFO L168 Benchmark]: RCFGBuilder took 1426.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.4 MB in the end (delta: 130.1 MB). Peak memory consumption was 130.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:27,964 INFO L168 Benchmark]: TraceAbstraction took 15041.05 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 315.1 MB). Free memory was 965.4 MB in the beginning and 1.3 GB in the end (delta: -372.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:10:27,964 INFO L168 Benchmark]: Witness Printer took 243.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:27,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 792.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 131.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1426.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.4 MB in the end (delta: 130.1 MB). Peak memory consumption was 130.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15041.05 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 315.1 MB). Free memory was 965.4 MB in the beginning and 1.3 GB in the end (delta: -372.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 243.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 190]: 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: 880]: Loop Invariant Derived loop invariant: ((((!(a21 == 9) && a24 == 1) && !(a15 == 6)) || ((a24 == 1 && a21 == 9) && a15 == 6)) || (a24 == 1 && 0 < a12 + 43)) || (a12 + 49 <= 0 && !(a15 == 6)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(a21 == 9) && a24 == 1) && !(a15 == 6)) || ((a24 == 1 && a21 == 9) && a15 == 6)) || (a24 == 1 && 0 < a12 + 43)) || (a12 + 49 <= 0 && !(a15 == 6)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 14.6s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 352 SDtfs, 2496 SDslu, 87 SDs, 0 SdLazy, 6423 SolverSat, 1590 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 562 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3208occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 534 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 60 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 990 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 138 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1577 NumberOfCodeBlocks, 1577 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1570 ConstructedInterpolants, 0 QuantifiedInterpolants, 1307983 SizeOfPredicates, 8 NumberOfNonLiveVariables, 746 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1556/1613 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...