./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f7e1c1540b70904598fe5e82d3f5b8e6f2e3e9f6 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:27:33,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:27:33,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:27:33,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:27:33,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:27:33,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:27:33,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:27:33,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:27:33,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:27:33,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:27:33,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:27:33,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:27:33,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:27:33,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:27:33,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:27:33,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:27:33,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:27:33,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:27:33,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:27:33,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:27:33,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:27:33,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:27:33,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:27:33,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:27:33,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:27:33,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:27:33,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:27:33,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:27:33,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:27:33,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:27:33,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:27:33,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:27:33,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:27:33,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:27:33,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:27:33,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:27:33,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:27:33,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:27:33,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:27:33,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:27:33,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:27:33,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-19 23:27:33,402 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:27:33,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:27:33,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:27:33,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:27:33,414 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:27:33,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:27:33,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:27:33,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:27:33,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:27:33,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:27:33,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:27:33,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:27:33,416 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 23:27:33,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:27:33,416 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:27:33,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:27:33,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:27:33,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:27:33,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:27:33,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:27:33,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:27:33,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:27:33,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:27:33,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:27:33,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:27:33,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:27:33,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:27:33,420 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7e1c1540b70904598fe5e82d3f5b8e6f2e3e9f6 [2019-11-19 23:27:33,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:27:33,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:27:33,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:27:33,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:27:33,617 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:27:33,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c [2019-11-19 23:27:33,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/data/5fc1967ca/90bc6079fb1d45d183cf1ab116ff3608/FLAG080379fae [2019-11-19 23:27:34,078 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:27:34,079 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c [2019-11-19 23:27:34,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/data/5fc1967ca/90bc6079fb1d45d183cf1ab116ff3608/FLAG080379fae [2019-11-19 23:27:34,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/data/5fc1967ca/90bc6079fb1d45d183cf1ab116ff3608 [2019-11-19 23:27:34,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:27:34,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:27:34,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:27:34,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:27:34,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:27:34,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6709ef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34, skipping insertion in model container [2019-11-19 23:27:34,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:27:34,556 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:27:34,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:27:34,703 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:27:34,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:27:34,796 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:27:34,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34 WrapperNode [2019-11-19 23:27:34,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:27:34,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:27:34,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:27:34,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:27:34,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:27:34,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:27:34,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:27:34,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:27:34,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (1/1) ... [2019-11-19 23:27:34,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:27:34,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:27:34,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:27:34,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:27:34,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/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 [2019-11-19 23:27:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:27:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:27:35,114 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:27:35,114 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 23:27:35,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:27:35 BoogieIcfgContainer [2019-11-19 23:27:35,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:27:35,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:27:35,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:27:35,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:27:35,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:27:34" (1/3) ... [2019-11-19 23:27:35,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f62ea55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:27:35, skipping insertion in model container [2019-11-19 23:27:35,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:34" (2/3) ... [2019-11-19 23:27:35,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f62ea55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:27:35, skipping insertion in model container [2019-11-19 23:27:35,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:27:35" (3/3) ... [2019-11-19 23:27:35,123 INFO L109 eAbstractionObserver]: Analyzing ICFG PodelskiRybalchenko-LICS2004-Fig1.c [2019-11-19 23:27:35,132 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:27:35,137 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-19 23:27:35,148 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-19 23:27:35,167 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:27:35,168 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:27:35,168 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:27:35,168 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:27:35,168 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:27:35,169 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:27:35,169 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:27:35,169 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:27:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-19 23:27:35,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-19 23:27:35,186 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:27:35,187 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-19 23:27:35,187 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:27:35,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:35,193 INFO L82 PathProgramCache]: Analyzing trace with hash 963476, now seen corresponding path program 1 times [2019-11-19 23:27:35,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:35,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165178245] [2019-11-19 23:27:35,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:35,319 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165178245] [2019-11-19 23:27:35,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:27:35,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:27:35,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092585593] [2019-11-19 23:27:35,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:27:35,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:27:35,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:27:35,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:27:35,337 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-11-19 23:27:35,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:35,393 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2019-11-19 23:27:35,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:27:35,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-19 23:27:35,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:27:35,404 INFO L225 Difference]: With dead ends: 33 [2019-11-19 23:27:35,404 INFO L226 Difference]: Without dead ends: 11 [2019-11-19 23:27:35,416 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:27:35,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-19 23:27:35,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-11-19 23:27:35,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-19 23:27:35,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-11-19 23:27:35,453 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2019-11-19 23:27:35,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:27:35,454 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-11-19 23:27:35,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:27:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-19 23:27:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-19 23:27:35,455 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:27:35,455 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-19 23:27:35,455 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:27:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:35,456 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2019-11-19 23:27:35,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:35,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287453679] [2019-11-19 23:27:35,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:35,486 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287453679] [2019-11-19 23:27:35,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:27:35,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:27:35,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342822819] [2019-11-19 23:27:35,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:27:35,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:27:35,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:27:35,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:27:35,490 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2019-11-19 23:27:35,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:35,550 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-11-19 23:27:35,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:27:35,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-19 23:27:35,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:27:35,551 INFO L225 Difference]: With dead ends: 18 [2019-11-19 23:27:35,552 INFO L226 Difference]: Without dead ends: 17 [2019-11-19 23:27:35,553 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:27:35,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-19 23:27:35,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-11-19 23:27:35,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-19 23:27:35,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-11-19 23:27:35,557 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 4 [2019-11-19 23:27:35,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:27:35,558 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-11-19 23:27:35,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:27:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-19 23:27:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:27:35,558 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:27:35,559 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-19 23:27:35,559 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:27:35,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:35,560 INFO L82 PathProgramCache]: Analyzing trace with hash 29867816, now seen corresponding path program 1 times [2019-11-19 23:27:35,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:35,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423569903] [2019-11-19 23:27:35,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:35,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423569903] [2019-11-19 23:27:35,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:27:35,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:27:35,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400659784] [2019-11-19 23:27:35,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:27:35,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:27:35,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:27:35,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:27:35,587 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2019-11-19 23:27:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:35,600 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-11-19 23:27:35,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:27:35,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-19 23:27:35,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:27:35,602 INFO L225 Difference]: With dead ends: 12 [2019-11-19 23:27:35,602 INFO L226 Difference]: Without dead ends: 11 [2019-11-19 23:27:35,602 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:27:35,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-19 23:27:35,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-19 23:27:35,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-19 23:27:35,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-11-19 23:27:35,606 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 5 [2019-11-19 23:27:35,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:27:35,606 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-11-19 23:27:35,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:27:35,606 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-11-19 23:27:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:27:35,607 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:27:35,607 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-19 23:27:35,608 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:27:35,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:35,608 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2019-11-19 23:27:35,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:35,609 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571274835] [2019-11-19 23:27:35,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:35,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571274835] [2019-11-19 23:27:35,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:27:35,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:27:35,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621994991] [2019-11-19 23:27:35,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:27:35,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:27:35,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:27:35,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:27:35,636 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 3 states. [2019-11-19 23:27:35,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:35,659 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-11-19 23:27:35,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:27:35,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-19 23:27:35,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:27:35,661 INFO L225 Difference]: With dead ends: 12 [2019-11-19 23:27:35,661 INFO L226 Difference]: Without dead ends: 11 [2019-11-19 23:27:35,661 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:27:35,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-19 23:27:35,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-11-19 23:27:35,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-19 23:27:35,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-11-19 23:27:35,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 5 [2019-11-19 23:27:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:27:35,665 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-11-19 23:27:35,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:27:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-11-19 23:27:35,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-19 23:27:35,666 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:27:35,666 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-11-19 23:27:35,667 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:27:35,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:35,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1360166548, now seen corresponding path program 1 times [2019-11-19 23:27:35,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:35,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333034453] [2019-11-19 23:27:35,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:35,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:35,712 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333034453] [2019-11-19 23:27:35,712 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552607698] [2019-11-19 23:27:35,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/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 [2019-11-19 23:27:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:35,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:27:35,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:27:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:35,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:27:35,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-19 23:27:35,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367848797] [2019-11-19 23:27:35,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:27:35,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:27:35,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:27:35,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:27:35,786 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 4 states. [2019-11-19 23:27:35,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:35,829 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-11-19 23:27:35,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:27:35,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-19 23:27:35,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:27:35,831 INFO L225 Difference]: With dead ends: 21 [2019-11-19 23:27:35,831 INFO L226 Difference]: Without dead ends: 20 [2019-11-19 23:27:35,832 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:27:35,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-19 23:27:35,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2019-11-19 23:27:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-19 23:27:35,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-19 23:27:35,835 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 7 [2019-11-19 23:27:35,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:27:35,836 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-19 23:27:35,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:27:35,836 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-11-19 23:27:35,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:27:35,836 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:27:35,837 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2019-11-19 23:27:36,041 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:27:36,043 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:27:36,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:36,044 INFO L82 PathProgramCache]: Analyzing trace with hash -2000108501, now seen corresponding path program 2 times [2019-11-19 23:27:36,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:36,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061891364] [2019-11-19 23:27:36,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:36,091 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 23:27:36,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061891364] [2019-11-19 23:27:36,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48048422] [2019-11-19 23:27:36,091 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/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 [2019-11-19 23:27:36,123 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-19 23:27:36,124 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-19 23:27:36,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:27:36,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:27:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 23:27:36,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:27:36,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-19 23:27:36,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764798482] [2019-11-19 23:27:36,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:27:36,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:27:36,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:27:36,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:27:36,131 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 4 states. [2019-11-19 23:27:36,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:36,184 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2019-11-19 23:27:36,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:27:36,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-19 23:27:36,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:27:36,185 INFO L225 Difference]: With dead ends: 17 [2019-11-19 23:27:36,185 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:27:36,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:27:36,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:27:36,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:27:36,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:27:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:27:36,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-19 23:27:36,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:27:36,187 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:27:36,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:27:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:27:36,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:27:36,391 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:27:36,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:27:36,429 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-11-19 23:27:36,429 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:27:36,429 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-11-19 23:27:36,430 INFO L440 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (<= ULTIMATE.start_main_~x~0 1073741823) (<= 0 ULTIMATE.start_main_~x~0)) [2019-11-19 23:27:36,430 INFO L444 ceAbstractionStarter]: For program point L19-3(lines 19 21) no Hoare annotation was computed. [2019-11-19 23:27:36,430 INFO L447 ceAbstractionStarter]: At program point L17-2(lines 17 23) the Hoare annotation is: true [2019-11-19 23:27:36,430 INFO L444 ceAbstractionStarter]: For program point L17-3(lines 17 23) no Hoare annotation was computed. [2019-11-19 23:27:36,430 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-11-19 23:27:36,430 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-11-19 23:27:36,431 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:27:36,431 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:27:36,431 INFO L447 ceAbstractionStarter]: At program point L24(lines 13 25) the Hoare annotation is: true [2019-11-19 23:27:36,431 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-19 23:27:36,431 INFO L444 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-11-19 23:27:36,431 INFO L444 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-11-19 23:27:36,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:27:36 BoogieIcfgContainer [2019-11-19 23:27:36,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:27:36,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:27:36,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:27:36,449 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:27:36,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:27:35" (3/4) ... [2019-11-19 23:27:36,456 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:27:36,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 23:27:36,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:27:36,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3fba70f6-b809-43da-bec1-de66c6ef9a26/bin/uautomizer/witness.graphml [2019-11-19 23:27:36,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:27:36,509 INFO L168 Benchmark]: Toolchain (without parser) took 1984.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -106.1 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:36,509 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:27:36,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -201.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:36,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:27:36,511 INFO L168 Benchmark]: Boogie Preprocessor took 19.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:36,512 INFO L168 Benchmark]: RCFGBuilder took 268.54 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: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:36,512 INFO L168 Benchmark]: TraceAbstraction took 1331.57 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: 75.9 MB). Peak memory consumption was 75.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:36,513 INFO L168 Benchmark]: Witness Printer took 58.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:27:36,516 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -201.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 268.54 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: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1331.57 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: 75.9 MB). Peak memory consumption was 75.9 MB. Max. memory is 11.5 GB. * Witness Printer took 58.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (1 <= y && x <= 1073741823) && 0 <= x - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 SDtfs, 41 SDslu, 10 SDs, 0 SdLazy, 61 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, 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, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 11 NumberOfFragments, 12 HoareAnnotationTreeSize, 3 FomulaSimplifications, 30 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 52 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 764 SizeOfPredicates, 1 NumberOfNonLiveVariables, 37 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 10/18 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...