./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/heavy-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/heavy-2.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 63303d7ef35f153a8bd897bdcb496a54fed422c9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:03:09,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:03:09,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:03:09,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:03:09,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:03:09,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:03:09,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:03:09,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:03:09,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:03:09,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:03:09,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:03:09,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:03:09,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:03:09,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:03:09,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:03:09,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:03:09,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:03:09,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:03:09,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:03:09,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:03:09,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:03:09,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:03:09,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:03:09,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:03:09,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:03:09,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:03:09,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:03:09,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:03:09,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:03:09,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:03:09,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:03:09,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:03:09,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:03:09,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:03:09,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:03:09,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:03:09,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:03:09,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:03:09,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:03:09,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:03:09,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:03:09,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:03:09,948 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:03:09,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:03:09,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:03:09,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:03:09,954 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:03:09,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:03:09,954 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:03:09,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:03:09,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:03:09,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:03:09,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:03:09,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:03:09,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:03:09,957 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:03:09,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:03:09,957 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:03:09,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:03:09,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:03:09,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:03:09,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:03:09,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:03:09,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:03:09,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:03:09,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:03:09,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:03:09,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:03:09,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:03:09,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:03:09,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:03:09,961 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 -> 63303d7ef35f153a8bd897bdcb496a54fed422c9 [2019-11-28 17:03:10,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:03:10,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:03:10,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:03:10,327 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:03:10,328 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:03:10,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/heavy-2.c [2019-11-28 17:03:10,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f58e95cd/2ab0ac7a8b0b48a8b5bf32ce4113d5e6/FLAG9841fcb9d [2019-11-28 17:03:10,842 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:03:10,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/heavy-2.c [2019-11-28 17:03:10,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f58e95cd/2ab0ac7a8b0b48a8b5bf32ce4113d5e6/FLAG9841fcb9d [2019-11-28 17:03:11,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f58e95cd/2ab0ac7a8b0b48a8b5bf32ce4113d5e6 [2019-11-28 17:03:11,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:03:11,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:03:11,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:03:11,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:03:11,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:03:11,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11, skipping insertion in model container [2019-11-28 17:03:11,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:03:11,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:03:11,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:03:11,491 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:03:11,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:03:11,611 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:03:11,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11 WrapperNode [2019-11-28 17:03:11,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:03:11,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:03:11,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:03:11,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:03:11,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:03:11,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:03:11,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:03:11,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:03:11,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (1/1) ... [2019-11-28 17:03:11,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:03:11,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:03:11,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:03:11,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:03:11,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:03:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 17:03:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:03:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:03:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 17:03:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-28 17:03:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:03:11,954 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:03:11,954 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 17:03:11,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:11 BoogieIcfgContainer [2019-11-28 17:03:11,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:03:11,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:03:11,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:03:11,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:03:11,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:03:11" (1/3) ... [2019-11-28 17:03:11,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2de5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:11, skipping insertion in model container [2019-11-28 17:03:11,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:11" (2/3) ... [2019-11-28 17:03:11,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2de5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:11, skipping insertion in model container [2019-11-28 17:03:11,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:11" (3/3) ... [2019-11-28 17:03:11,971 INFO L109 eAbstractionObserver]: Analyzing ICFG heavy-2.c [2019-11-28 17:03:11,995 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:03:12,002 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 17:03:12,034 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 17:03:12,061 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:03:12,061 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:03:12,062 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:03:12,062 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:03:12,062 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:03:12,062 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:03:12,062 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:03:12,063 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:03:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-28 17:03:12,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 17:03:12,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:03:12,082 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 17:03:12,082 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:03:12,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:03:12,088 INFO L82 PathProgramCache]: Analyzing trace with hash 28726599, now seen corresponding path program 1 times [2019-11-28 17:03:12,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:03:12,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380137506] [2019-11-28 17:03:12,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:03:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:03:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:03:12,213 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380137506] [2019-11-28 17:03:12,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:03:12,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:03:12,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196537954] [2019-11-28 17:03:12,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:03:12,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:03:12,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:03:12,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:03:12,235 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-28 17:03:12,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:03:12,251 INFO L93 Difference]: Finished difference Result 26 states and 38 transitions. [2019-11-28 17:03:12,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:03:12,253 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-11-28 17:03:12,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:03:12,262 INFO L225 Difference]: With dead ends: 26 [2019-11-28 17:03:12,262 INFO L226 Difference]: Without dead ends: 11 [2019-11-28 17:03:12,265 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:03:12,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-28 17:03:12,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-28 17:03:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 17:03:12,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-11-28 17:03:12,296 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 5 [2019-11-28 17:03:12,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:03:12,297 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-11-28 17:03:12,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:03:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-11-28 17:03:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 17:03:12,298 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:03:12,298 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 17:03:12,299 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:03:12,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:03:12,299 INFO L82 PathProgramCache]: Analyzing trace with hash 28697769, now seen corresponding path program 1 times [2019-11-28 17:03:12,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:03:12,300 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153911077] [2019-11-28 17:03:12,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:03:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:03:12,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:03:12,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153911077] [2019-11-28 17:03:12,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:03:12,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:03:12,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756478998] [2019-11-28 17:03:12,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:03:12,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:03:12,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:03:12,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:03:12,358 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 3 states. [2019-11-28 17:03:12,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:03:12,395 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-11-28 17:03:12,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:03:12,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-28 17:03:12,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:03:12,397 INFO L225 Difference]: With dead ends: 20 [2019-11-28 17:03:12,398 INFO L226 Difference]: Without dead ends: 17 [2019-11-28 17:03:12,399 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:03:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-28 17:03:12,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-11-28 17:03:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 17:03:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-11-28 17:03:12,403 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 5 [2019-11-28 17:03:12,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:03:12,404 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-11-28 17:03:12,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:03:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-28 17:03:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 17:03:12,404 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:03:12,405 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:03:12,405 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:03:12,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:03:12,405 INFO L82 PathProgramCache]: Analyzing trace with hash 269702257, now seen corresponding path program 1 times [2019-11-28 17:03:12,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:03:12,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116583589] [2019-11-28 17:03:12,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:03:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:03:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:03:12,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116583589] [2019-11-28 17:03:12,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065982416] [2019-11-28 17:03:12,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:03:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:03:12,573 INFO L264 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 17:03:12,581 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:03:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:03:12,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:03:12,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2019-11-28 17:03:12,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787476506] [2019-11-28 17:03:12,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:03:12,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:03:12,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:03:12,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:03:12,610 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 4 states. [2019-11-28 17:03:12,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:03:12,692 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2019-11-28 17:03:12,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:03:12,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-28 17:03:12,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:03:12,694 INFO L225 Difference]: With dead ends: 34 [2019-11-28 17:03:12,694 INFO L226 Difference]: Without dead ends: 25 [2019-11-28 17:03:12,695 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:03:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-28 17:03:12,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 13. [2019-11-28 17:03:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 17:03:12,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-11-28 17:03:12,701 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 8 [2019-11-28 17:03:12,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:03:12,701 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-11-28 17:03:12,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:03:12,702 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-11-28 17:03:12,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 17:03:12,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:03:12,703 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:03:12,906 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:03:12,907 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:03:12,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:03:12,908 INFO L82 PathProgramCache]: Analyzing trace with hash 904437765, now seen corresponding path program 1 times [2019-11-28 17:03:12,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:03:12,909 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083627577] [2019-11-28 17:03:12,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:03:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:03:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 17:03:13,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083627577] [2019-11-28 17:03:13,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621452580] [2019-11-28 17:03:13,004 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 [2019-11-28 17:03:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:03:13,072 INFO L264 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 17:03:13,074 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:03:13,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:03:13,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:03:13,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2019-11-28 17:03:13,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917261972] [2019-11-28 17:03:13,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:03:13,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:03:13,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:03:13,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:03:13,087 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 4 states. [2019-11-28 17:03:13,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:03:13,132 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2019-11-28 17:03:13,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:03:13,133 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 17:03:13,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:03:13,134 INFO L225 Difference]: With dead ends: 33 [2019-11-28 17:03:13,134 INFO L226 Difference]: Without dead ends: 23 [2019-11-28 17:03:13,135 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:03:13,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-28 17:03:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 14. [2019-11-28 17:03:13,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-28 17:03:13,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2019-11-28 17:03:13,140 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2019-11-28 17:03:13,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:03:13,141 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2019-11-28 17:03:13,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:03:13,141 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-11-28 17:03:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 17:03:13,142 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:03:13,142 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:03:13,352 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:03:13,353 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:03:13,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:03:13,354 INFO L82 PathProgramCache]: Analyzing trace with hash -2012164797, now seen corresponding path program 1 times [2019-11-28 17:03:13,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:03:13,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604696403] [2019-11-28 17:03:13,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:03:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:03:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 17:03:13,472 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604696403] [2019-11-28 17:03:13,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6514580] [2019-11-28 17:03:13,473 INFO L94 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 [2019-11-28 17:03:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:03:13,519 INFO L264 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:03:13,521 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:03:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:03:13,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:03:13,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-11-28 17:03:13,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739496474] [2019-11-28 17:03:13,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:03:13,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:03:13,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:03:13,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:03:13,547 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 6 states. [2019-11-28 17:03:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:03:13,679 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2019-11-28 17:03:13,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 17:03:13,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-28 17:03:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:03:13,681 INFO L225 Difference]: With dead ends: 49 [2019-11-28 17:03:13,681 INFO L226 Difference]: Without dead ends: 38 [2019-11-28 17:03:13,682 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:03:13,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-28 17:03:13,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 26. [2019-11-28 17:03:13,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 17:03:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-11-28 17:03:13,690 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 13 [2019-11-28 17:03:13,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:03:13,691 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-11-28 17:03:13,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:03:13,691 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-11-28 17:03:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 17:03:13,692 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:03:13,692 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-28 17:03:13,896 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:03:13,898 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:03:13,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:03:13,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1000909991, now seen corresponding path program 2 times [2019-11-28 17:03:13,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:03:13,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054377648] [2019-11-28 17:03:13,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:03:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:03:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-28 17:03:14,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054377648] [2019-11-28 17:03:14,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59490186] [2019-11-28 17:03:14,156 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2019-11-28 17:03:14,197 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 17:03:14,197 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 17:03:14,198 INFO L264 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 17:03:14,203 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:03:14,223 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-28 17:03:14,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:03:14,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-11-28 17:03:14,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537343051] [2019-11-28 17:03:14,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:03:14,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:03:14,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:03:14,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:03:14,226 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 3 states. [2019-11-28 17:03:14,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:03:14,233 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2019-11-28 17:03:14,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:03:14,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 17:03:14,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:03:14,235 INFO L225 Difference]: With dead ends: 26 [2019-11-28 17:03:14,235 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:03:14,238 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:03:14,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:03:14,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:03:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:03:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:03:14,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-28 17:03:14,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:03:14,240 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:03:14,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:03:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:03:14,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:03:14,444 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:03:14,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:03:14,493 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:03:14,493 INFO L246 CegarLoopResult]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2019-11-28 17:03:14,494 INFO L242 CegarLoopResult]: At program point L11-3(lines 11 13) the Hoare annotation is: (= ULTIMATE.start_main_~a~0 1) [2019-11-28 17:03:14,494 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:03:14,494 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:03:14,494 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:03:14,495 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2019-11-28 17:03:14,495 INFO L249 CegarLoopResult]: At program point L20(lines 5 21) the Hoare annotation is: true [2019-11-28 17:03:14,495 INFO L242 CegarLoopResult]: At program point L16(lines 6 21) the Hoare annotation is: false [2019-11-28 17:03:14,495 INFO L246 CegarLoopResult]: For program point L12-2(lines 12 13) no Hoare annotation was computed. [2019-11-28 17:03:14,495 INFO L242 CegarLoopResult]: At program point L12-3(lines 12 13) the Hoare annotation is: (= ULTIMATE.start_main_~a~0 1) [2019-11-28 17:03:14,496 INFO L246 CegarLoopResult]: For program point L10-2(lines 10 13) no Hoare annotation was computed. [2019-11-28 17:03:14,496 INFO L242 CegarLoopResult]: At program point L10-3(lines 10 13) the Hoare annotation is: (= ULTIMATE.start_main_~a~0 1) [2019-11-28 17:03:14,496 INFO L246 CegarLoopResult]: For program point L10-4(lines 6 21) no Hoare annotation was computed. [2019-11-28 17:03:14,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:03:14 BoogieIcfgContainer [2019-11-28 17:03:14,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:03:14,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:03:14,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:03:14,515 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:03:14,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:11" (3/4) ... [2019-11-28 17:03:14,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:03:14,536 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-28 17:03:14,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 17:03:14,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:03:14,638 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:03:14,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:03:14,641 INFO L168 Benchmark]: Toolchain (without parser) took 3425.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 955.0 MB in the beginning and 932.0 MB in the end (delta: 23.0 MB). Peak memory consumption was 138.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:03:14,643 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:03:14,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:03:14,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:03:14,647 INFO L168 Benchmark]: Boogie Preprocessor took 25.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:03:14,648 INFO L168 Benchmark]: RCFGBuilder took 287.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:03:14,653 INFO L168 Benchmark]: TraceAbstraction took 2554.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 938.8 MB in the end (delta: 126.7 MB). Peak memory consumption was 126.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:03:14,654 INFO L168 Benchmark]: Witness Printer took 123.78 ms. Allocated memory is still 1.1 GB. Free memory was 938.8 MB in the beginning and 932.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:03:14,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 395.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 287.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2554.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 938.8 MB in the end (delta: 126.7 MB). Peak memory consumption was 126.7 MB. Max. memory is 11.5 GB. * Witness Printer took 123.78 ms. Allocated memory is still 1.1 GB. Free memory was 938.8 MB in the beginning and 932.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: 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: 6]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: a == 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: a == 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: a == 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 63 SDtfs, 57 SDslu, 60 SDs, 0 SdLazy, 73 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 38 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 19 NumberOfFragments, 11 HoareAnnotationTreeSize, 5 FomulaSimplifications, 236 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 124 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 5778 SizeOfPredicates, 6 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 50/76 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...