./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/fermat2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 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/nla-digbench/fermat2.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 1180ef32ce1b05b04d6987a02d3d281282e8367d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 18:52:53,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:52:53,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:52:53,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:52:53,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:52:53,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:52:53,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:52:53,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:52:53,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:52:53,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:52:53,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:52:53,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:52:53,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:52:53,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:52:53,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:52:53,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:52:53,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:52:53,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:52:53,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:52:53,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:52:53,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:52:53,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:52:53,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:52:53,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:52:53,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:52:53,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:52:53,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:52:53,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:52:53,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:52:53,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:52:53,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:52:53,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:52:53,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:52:53,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:52:53,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:52:53,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:52:53,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:52:53,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:52:53,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:52:53,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:52:53,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:52:53,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:52:53,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:52:53,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:52:53,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:52:53,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:52:53,785 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:52:53,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:52:53,786 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:52:53,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:52:53,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:52:53,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:52:53,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:52:53,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:52:53,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:52:53,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:52:53,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:52:53,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:52:53,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:52:53,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:52:53,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:52:53,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:52:53,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:52:53,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:52:53,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:52:53,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:52:53,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:52:53,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:52:53,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:52:53,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:52:53,792 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 -> 1180ef32ce1b05b04d6987a02d3d281282e8367d [2019-11-19 18:52:54,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:52:54,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:52:54,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:52:54,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:52:54,126 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:52:54,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/fermat2.c [2019-11-19 18:52:54,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/302db1a74/bf21a2590445465a9f7f57f03a35bd56/FLAGdf7014236 [2019-11-19 18:52:54,653 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:52:54,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/fermat2.c [2019-11-19 18:52:54,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/302db1a74/bf21a2590445465a9f7f57f03a35bd56/FLAGdf7014236 [2019-11-19 18:52:55,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/302db1a74/bf21a2590445465a9f7f57f03a35bd56 [2019-11-19 18:52:55,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:52:55,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:52:55,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:52:55,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:52:55,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:52:55,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55823ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55, skipping insertion in model container [2019-11-19 18:52:55,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,069 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:52:55,094 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:52:55,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:52:55,292 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:52:55,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:52:55,323 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:52:55,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55 WrapperNode [2019-11-19 18:52:55,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:52:55,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:52:55,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:52:55,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:52:55,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:52:55,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:52:55,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:52:55,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:52:55,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (1/1) ... [2019-11-19 18:52:55,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:52:55,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:52:55,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:52:55,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:52:55,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (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 [2019-11-19 18:52:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:52:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:52:55,681 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:52:55,681 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-19 18:52:55,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:55 BoogieIcfgContainer [2019-11-19 18:52:55,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:52:55,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:52:55,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:52:55,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:52:55,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:52:55" (1/3) ... [2019-11-19 18:52:55,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488afac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:52:55, skipping insertion in model container [2019-11-19 18:52:55,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:55" (2/3) ... [2019-11-19 18:52:55,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488afac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:52:55, skipping insertion in model container [2019-11-19 18:52:55,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:55" (3/3) ... [2019-11-19 18:52:55,696 INFO L109 eAbstractionObserver]: Analyzing ICFG fermat2.c [2019-11-19 18:52:55,735 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:52:55,754 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-19 18:52:55,784 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-19 18:52:55,809 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:52:55,809 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:52:55,809 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:52:55,809 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:52:55,809 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:52:55,810 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:52:55,810 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:52:55,810 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:52:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-19 18:52:55,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-19 18:52:55,833 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:52:55,834 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-19 18:52:55,834 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:52:55,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:52:55,839 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2019-11-19 18:52:55,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:52:55,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589581100] [2019-11-19 18:52:55,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:52:55,904 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-19 18:52:55,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [280788674] [2019-11-19 18:52:55,905 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 [2019-11-19 18:52:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:52:55,947 WARN L253 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-19 18:52:55,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:52:56,112 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2019-11-19 18:52:56,127 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 18:53:05,445 WARN L191 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 36 DAG size of output: 3 [2019-11-19 18:53:05,448 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 18:53:05,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589581100] [2019-11-19 18:53:05,449 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-19 18:53:05,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280788674] [2019-11-19 18:53:05,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:53:05,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:53:05,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143667572] [2019-11-19 18:53:05,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 18:53:05,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:53:05,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 18:53:05,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=6, Unknown=1, NotChecked=0, Total=12 [2019-11-19 18:53:05,469 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2019-11-19 18:53:07,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:53:07,060 INFO L93 Difference]: Finished difference Result 42 states and 59 transitions. [2019-11-19 18:53:07,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 18:53:07,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-19 18:53:07,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:53:07,073 INFO L225 Difference]: With dead ends: 42 [2019-11-19 18:53:07,074 INFO L226 Difference]: Without dead ends: 20 [2019-11-19 18:53:07,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=9, Invalid=10, Unknown=1, NotChecked=0, Total=20 [2019-11-19 18:53:07,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-19 18:53:07,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2019-11-19 18:53:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-19 18:53:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2019-11-19 18:53:07,115 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 4 [2019-11-19 18:53:07,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:53:07,116 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2019-11-19 18:53:07,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 18:53:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-11-19 18:53:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-19 18:53:07,117 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:53:07,118 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:53:07,321 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:53:07,322 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:53:07,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:53:07,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1361018346, now seen corresponding path program 1 times [2019-11-19 18:53:07,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:53:07,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793978815] [2019-11-19 18:53:07,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:53:07,327 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-19 18:53:07,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137332989] [2019-11-19 18:53:07,328 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 [2019-11-19 18:53:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:53:07,361 WARN L253 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-19 18:53:07,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:53:09,434 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 30 [2019-11-19 18:53:09,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 18:53:09,540 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 18:53:09,559 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 18:53:09,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793978815] [2019-11-19 18:53:09,560 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-19 18:53:09,560 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137332989] [2019-11-19 18:53:09,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:53:09,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 18:53:09,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278129033] [2019-11-19 18:53:09,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 18:53:09,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:53:09,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 18:53:09,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=1, NotChecked=0, Total=42 [2019-11-19 18:53:09,564 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 7 states. [2019-11-19 18:53:11,691 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2019-11-19 18:53:11,884 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2019-11-19 18:53:11,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:53:11,984 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2019-11-19 18:53:11,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 18:53:11,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2019-11-19 18:53:11,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:53:11,985 INFO L225 Difference]: With dead ends: 23 [2019-11-19 18:53:11,985 INFO L226 Difference]: Without dead ends: 17 [2019-11-19 18:53:11,987 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=28, Invalid=43, Unknown=1, NotChecked=0, Total=72 [2019-11-19 18:53:11,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-19 18:53:11,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2019-11-19 18:53:11,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-19 18:53:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2019-11-19 18:53:11,992 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 7 [2019-11-19 18:53:11,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:53:11,993 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-19 18:53:11,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 18:53:11,993 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2019-11-19 18:53:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 18:53:11,994 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:53:11,994 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2019-11-19 18:53:12,201 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:53:12,202 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:53:12,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:53:12,202 INFO L82 PathProgramCache]: Analyzing trace with hash 759715009, now seen corresponding path program 1 times [2019-11-19 18:53:12,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:53:12,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171818638] [2019-11-19 18:53:12,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:53:12,206 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-19 18:53:12,206 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1334702256] [2019-11-19 18:53:12,206 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 [2019-11-19 18:53:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:53:12,237 WARN L253 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-19 18:53:12,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:53:12,302 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 18:53:12,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 18:53:12,401 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 18:53:12,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171818638] [2019-11-19 18:53:12,401 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-19 18:53:12,402 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334702256] [2019-11-19 18:53:12,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-19 18:53:12,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-11-19 18:53:12,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212625319] [2019-11-19 18:53:12,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 18:53:12,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:53:12,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 18:53:12,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-19 18:53:12,404 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 7 states. [2019-11-19 18:53:12,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:53:12,601 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2019-11-19 18:53:12,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 18:53:12,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2019-11-19 18:53:12,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:53:12,602 INFO L225 Difference]: With dead ends: 27 [2019-11-19 18:53:12,602 INFO L226 Difference]: Without dead ends: 25 [2019-11-19 18:53:12,604 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-19 18:53:12,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-19 18:53:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 19. [2019-11-19 18:53:12,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-19 18:53:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2019-11-19 18:53:12,614 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 8 [2019-11-19 18:53:12,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:53:12,615 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2019-11-19 18:53:12,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 18:53:12,615 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-11-19 18:53:12,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 18:53:12,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:53:12,617 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:53:12,821 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:53:12,821 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:53:12,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:53:12,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1802926015, now seen corresponding path program 1 times [2019-11-19 18:53:12,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:53:12,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361314192] [2019-11-19 18:53:12,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:53:12,825 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-19 18:53:12,825 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684886837] [2019-11-19 18:53:12,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:53:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:53:12,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-19 18:53:12,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:53:14,917 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 30 [2019-11-19 18:53:14,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 18:53:14,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 18:53:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 18:53:15,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361314192] [2019-11-19 18:53:15,000 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-19 18:53:15,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684886837] [2019-11-19 18:53:15,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:53:15,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 18:53:15,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649113249] [2019-11-19 18:53:15,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 18:53:15,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:53:15,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 18:53:15,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-19 18:53:15,002 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 7 states. [2019-11-19 18:53:17,105 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2019-11-19 18:53:17,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:53:17,226 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-11-19 18:53:17,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 18:53:17,226 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-11-19 18:53:17,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:53:17,227 INFO L225 Difference]: With dead ends: 20 [2019-11-19 18:53:17,227 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 18:53:17,228 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-19 18:53:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 18:53:17,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 18:53:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 18:53:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 18:53:17,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-19 18:53:17,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:53:17,229 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 18:53:17,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 18:53:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 18:53:17,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 18:53:17,430 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:53:17,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 18:53:34,081 WARN L191 SmtUtils]: Spent 16.59 s on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-11-19 18:53:34,084 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 18:53:34,084 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-11-19 18:53:34,084 INFO L444 ceAbstractionStarter]: For program point L7(lines 7 10) no Hoare annotation was computed. [2019-11-19 18:53:34,085 INFO L440 ceAbstractionStarter]: At program point L7-2(line 30) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~R~0 Int)) (< (let ((.cse0 (+ ULTIMATE.start_main_~R~0 (- 1)))) (* .cse0 .cse0)) ULTIMATE.start_main_~A~0)) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ (* 2 ULTIMATE.start_main_~u~0) (* 4 ULTIMATE.start_main_~A~0) (* 4 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~v~0 ULTIMATE.start_main_~v~0)) (+ (* 2 ULTIMATE.start_main_~v~0) (* ULTIMATE.start_main_~u~0 ULTIMATE.start_main_~u~0)))) [2019-11-19 18:53:34,085 INFO L444 ceAbstractionStarter]: For program point L7-3(lines 7 10) no Hoare annotation was computed. [2019-11-19 18:53:34,085 INFO L447 ceAbstractionStarter]: At program point L7-5(lines 6 12) the Hoare annotation is: true [2019-11-19 18:53:34,085 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-11-19 18:53:34,085 INFO L440 ceAbstractionStarter]: At program point L32-2(lines 28 39) the Hoare annotation is: (let ((.cse1 (= (+ (* 2 ULTIMATE.start_main_~u~0) (* 4 ULTIMATE.start_main_~A~0) (* 4 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~v~0 ULTIMATE.start_main_~v~0)) (+ (* 2 ULTIMATE.start_main_~v~0) (* ULTIMATE.start_main_~u~0 ULTIMATE.start_main_~u~0))))) (or (and (exists ((ULTIMATE.start_main_~R~0 Int)) (< (let ((.cse0 (+ ULTIMATE.start_main_~R~0 (- 1)))) (* .cse0 .cse0)) ULTIMATE.start_main_~A~0)) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1) (and (= ULTIMATE.start_main_~v~0 1) .cse1 (let ((.cse2 (div (+ (- ULTIMATE.start_main_~u~0) 1) (- 2)))) (and (= 1 (mod ULTIMATE.start_main_~A~0 2)) (= (+ ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0) (* .cse2 .cse2)) (< (let ((.cse3 (+ .cse2 (- 1)))) (* .cse3 .cse3)) ULTIMATE.start_main_~A~0)))))) [2019-11-19 18:53:34,085 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 18:53:34,086 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 18:53:34,086 INFO L444 ceAbstractionStarter]: For program point L28-2(lines 28 39) no Hoare annotation was computed. [2019-11-19 18:53:34,086 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-11-19 18:53:34,086 INFO L447 ceAbstractionStarter]: At program point L43(lines 14 44) the Hoare annotation is: true [2019-11-19 18:53:34,086 INFO L444 ceAbstractionStarter]: For program point L8(lines 8 9) no Hoare annotation was computed. [2019-11-19 18:53:34,086 INFO L444 ceAbstractionStarter]: For program point L8-1(lines 8 9) no Hoare annotation was computed. [2019-11-19 18:53:34,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:53:34 BoogieIcfgContainer [2019-11-19 18:53:34,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:53:34,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:53:34,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:53:34,118 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:53:34,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:55" (3/4) ... [2019-11-19 18:53:34,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 18:53:34,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 18:53:34,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 18:53:34,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u) || ((v == 1 && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u) && (1 == A % 2 && A + r == (-u + 1) / -2 * ((-u + 1) / -2)) && ((-u + 1) / -2 + -1) * ((-u + 1) / -2 + -1) < A) [2019-11-19 18:53:34,160 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u [2019-11-19 18:53:34,182 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 18:53:34,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:53:34,185 INFO L168 Benchmark]: Toolchain (without parser) took 39132.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 955.0 MB in the beginning and 946.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. [2019-11-19 18:53:34,185 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:53:34,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.48 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:53:34,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -199.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:53:34,188 INFO L168 Benchmark]: Boogie Preprocessor took 31.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 18:53:34,188 INFO L168 Benchmark]: RCFGBuilder took 234.76 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: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-11-19 18:53:34,189 INFO L168 Benchmark]: TraceAbstraction took 38433.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.9 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. [2019-11-19 18:53:34,190 INFO L168 Benchmark]: Witness Printer took 65.21 ms. Allocated memory is still 1.2 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:53:34,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.48 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -199.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 234.76 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: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38433.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.9 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. * Witness Printer took 65.21 ms. Allocated memory is still 1.2 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant [2019-11-19 18:53:34,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] Derived loop invariant: ((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant [2019-11-19 18:53:34,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-19 18:53:34,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] Derived loop invariant: (((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u) || ((v == 1 && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u) && (1 == A % 2 && A + r == (-u + 1) / -2 * ((-u + 1) / -2)) && ((-u + 1) / -2 + -1) * ((-u + 1) / -2 + -1) < A) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 2 error locations. Result: SAFE, OverallTime: 38.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.6s, HoareTripleCheckerStatistics: 21 SDtfs, 47 SDslu, 66 SDs, 0 SdLazy, 111 SolverSat, 37 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 14.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=3, 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, 4 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 15 NumberOfFragments, 140 HoareAnnotationTreeSize, 4 FomulaSimplifications, 715 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 53 FormulaSimplificationTreeSizeReductionInter, 16.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 17 QuantifiedInterpolants, 4285 SizeOfPredicates, 34 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 3/5 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...