./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/geo1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/geo1.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 8a231e711690f7f7b25cf13cdcb2e70bc8a8a2ce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:07:14,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:07:14,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:07:14,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:07:14,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:07:14,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:07:14,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:07:14,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:07:14,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:07:14,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:07:14,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:07:14,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:07:14,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:07:14,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:07:14,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:07:14,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:07:14,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:07:14,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:07:14,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:07:14,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:07:14,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:07:14,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:07:14,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:07:14,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:07:14,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:07:14,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:07:14,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:07:14,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:07:14,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:07:14,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:07:14,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:07:14,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:07:14,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:07:14,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:07:14,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:07:14,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:07:14,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:07:14,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:07:14,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:07:14,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:07:14,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:07:14,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:07:14,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:07:14,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:07:14,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:07:14,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:07:14,932 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:07:14,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:07:14,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:07:14,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:07:14,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:07:14,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:07:14,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:07:14,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:07:14,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:07:14,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:07:14,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:07:14,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:07:14,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:07:14,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:07:14,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:07:14,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:07:14,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:07:14,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:07:14,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:07:14,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:07:14,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:07:14,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:07:14,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:07:14,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:07:14,940 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 -> 8a231e711690f7f7b25cf13cdcb2e70bc8a8a2ce [2019-11-28 00:07:15,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:07:15,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:07:15,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:07:15,241 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:07:15,241 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:07:15,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/geo1.c [2019-11-28 00:07:15,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1840420d1/9ad58fea72984990b633dcdec4fed959/FLAGb33d09d4d [2019-11-28 00:07:15,730 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:07:15,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/geo1.c [2019-11-28 00:07:15,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1840420d1/9ad58fea72984990b633dcdec4fed959/FLAGb33d09d4d [2019-11-28 00:07:16,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1840420d1/9ad58fea72984990b633dcdec4fed959 [2019-11-28 00:07:16,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:07:16,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:07:16,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:07:16,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:07:16,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:07:16,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1cb90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16, skipping insertion in model container [2019-11-28 00:07:16,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:07:16,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:07:16,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:07:16,375 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:07:16,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:07:16,401 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:07:16,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16 WrapperNode [2019-11-28 00:07:16,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:07:16,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:07:16,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:07:16,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:07:16,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:07:16,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:07:16,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:07:16,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:07:16,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (1/1) ... [2019-11-28 00:07:16,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:07:16,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:07:16,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:07:16,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:07:16,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:07:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:07:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:07:16,751 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:07:16,751 INFO L297 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-28 00:07:16,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:07:16 BoogieIcfgContainer [2019-11-28 00:07:16,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:07:16,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:07:16,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:07:16,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:07:16,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:07:16" (1/3) ... [2019-11-28 00:07:16,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a022f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:07:16, skipping insertion in model container [2019-11-28 00:07:16,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:16" (2/3) ... [2019-11-28 00:07:16,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a022f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:07:16, skipping insertion in model container [2019-11-28 00:07:16,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:07:16" (3/3) ... [2019-11-28 00:07:16,760 INFO L109 eAbstractionObserver]: Analyzing ICFG geo1.c [2019-11-28 00:07:16,767 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:07:16,772 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-28 00:07:16,782 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-28 00:07:16,807 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:07:16,808 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:07:16,808 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:07:16,808 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:07:16,808 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:07:16,809 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:07:16,809 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:07:16,809 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:07:16,822 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-28 00:07:16,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-28 00:07:16,826 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:07:16,827 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-28 00:07:16,827 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:07:16,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:07:16,831 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2019-11-28 00:07:16,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:07:16,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621687921] [2019-11-28 00:07:16,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:07:16,909 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 00:07:16,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346183289] [2019-11-28 00:07:16,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:07:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:07:16,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 00:07:16,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:07:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:07:17,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621687921] [2019-11-28 00:07:17,018 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-28 00:07:17,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346183289] [2019-11-28 00:07:17,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:07:17,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:07:17,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714982451] [2019-11-28 00:07:17,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:07:17,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:07:17,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:07:17,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:07:17,050 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 4 states. [2019-11-28 00:07:17,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:07:17,141 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2019-11-28 00:07:17,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:07:17,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-28 00:07:17,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:07:17,151 INFO L225 Difference]: With dead ends: 37 [2019-11-28 00:07:17,151 INFO L226 Difference]: Without dead ends: 14 [2019-11-28 00:07:17,154 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:07:17,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-28 00:07:17,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-28 00:07:17,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 00:07:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-11-28 00:07:17,195 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 4 [2019-11-28 00:07:17,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:07:17,195 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-11-28 00:07:17,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:07:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-11-28 00:07:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 00:07:17,196 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:07:17,197 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-11-28 00:07:17,400 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:07:17,400 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:07:17,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:07:17,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1360983589, now seen corresponding path program 1 times [2019-11-28 00:07:17,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:07:17,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60566440] [2019-11-28 00:07:17,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:07:17,409 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 00:07:17,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1178378325] [2019-11-28 00:07:17,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:07:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:07:17,441 WARN L253 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-28 00:07:17,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:07:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:07:17,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60566440] [2019-11-28 00:07:17,530 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-28 00:07:17,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178378325] [2019-11-28 00:07:17,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:07:17,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-11-28 00:07:17,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530628058] [2019-11-28 00:07:17,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:07:17,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:07:17,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:07:17,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:07:17,536 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 6 states. [2019-11-28 00:07:17,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:07:17,606 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-11-28 00:07:17,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:07:17,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-11-28 00:07:17,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:07:17,608 INFO L225 Difference]: With dead ends: 23 [2019-11-28 00:07:17,609 INFO L226 Difference]: Without dead ends: 17 [2019-11-28 00:07:17,610 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:07:17,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-28 00:07:17,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-11-28 00:07:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 00:07:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-28 00:07:17,616 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 7 [2019-11-28 00:07:17,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:07:17,616 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-28 00:07:17,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:07:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-28 00:07:17,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 00:07:17,618 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:07:17,618 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2019-11-28 00:07:17,821 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:07:17,823 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:07:17,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:07:17,824 INFO L82 PathProgramCache]: Analyzing trace with hash -565900116, now seen corresponding path program 2 times [2019-11-28 00:07:17,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:07:17,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106167073] [2019-11-28 00:07:17,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:07:17,832 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 00:07:17,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410660373] [2019-11-28 00:07:17,833 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:07:17,884 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 00:07:17,884 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 00:07:17,887 WARN L253 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-28 00:07:17,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:07:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:07:20,890 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106167073] [2019-11-28 00:07:20,890 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-28 00:07:20,890 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410660373] [2019-11-28 00:07:20,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:07:20,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-11-28 00:07:20,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462994266] [2019-11-28 00:07:20,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:07:20,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:07:20,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:07:20,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=38, Unknown=1, NotChecked=0, Total=56 [2019-11-28 00:07:20,893 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 8 states. [2019-11-28 00:07:23,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:07:23,039 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-28 00:07:23,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:07:23,041 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-28 00:07:23,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:07:23,043 INFO L225 Difference]: With dead ends: 26 [2019-11-28 00:07:23,043 INFO L226 Difference]: Without dead ends: 20 [2019-11-28 00:07:23,045 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=21, Invalid=50, Unknown=1, NotChecked=0, Total=72 [2019-11-28 00:07:23,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-28 00:07:23,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-28 00:07:23,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 00:07:23,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-28 00:07:23,053 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 10 [2019-11-28 00:07:23,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:07:23,053 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-28 00:07:23,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:07:23,054 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-28 00:07:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 00:07:23,054 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:07:23,055 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2019-11-28 00:07:23,259 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:07:23,259 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:07:23,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:07:23,260 INFO L82 PathProgramCache]: Analyzing trace with hash -978793413, now seen corresponding path program 3 times [2019-11-28 00:07:23,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:07:23,261 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930368118] [2019-11-28 00:07:23,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:07:23,267 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 00:07:23,268 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [317456664] [2019-11-28 00:07:23,268 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:07:23,305 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-28 00:07:23,305 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 00:07:23,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-28 00:07:23,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:07:23,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:07:23,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:07:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-28 00:07:23,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930368118] [2019-11-28 00:07:23,412 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-28 00:07:23,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317456664] [2019-11-28 00:07:23,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:07:23,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-11-28 00:07:23,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249500749] [2019-11-28 00:07:23,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 00:07:23,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:07:23,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 00:07:23,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:07:23,417 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 7 states. [2019-11-28 00:07:23,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:07:23,485 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2019-11-28 00:07:23,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:07:23,486 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-11-28 00:07:23,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:07:23,486 INFO L225 Difference]: With dead ends: 19 [2019-11-28 00:07:23,486 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:07:23,487 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:07:23,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:07:23,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:07:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:07:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:07:23,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-28 00:07:23,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:07:23,489 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:07:23,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 00:07:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:07:23,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:07:23,690 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:07:23,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:07:23,806 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:07:23,806 INFO L242 CegarLoopResult]: At program point L27-2(lines 27 37) the Hoare annotation is: (let ((.cse0 (exists ((v_ULTIMATE.start_main_~x~0_14 Int)) (let ((.cse1 (* v_ULTIMATE.start_main_~x~0_14 ULTIMATE.start_main_~z~0))) (and (= ULTIMATE.start_main_~x~0 (+ .cse1 1)) (= ULTIMATE.start_main_~y~0 (* (+ .cse1 (* v_ULTIMATE.start_main_~x~0_14 (- 1)) 1) ULTIMATE.start_main_~z~0))))))) (or (and .cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (and .cse0 (= ULTIMATE.start_main_~x~0 1)))) [2019-11-28 00:07:23,807 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2019-11-28 00:07:23,807 INFO L246 CegarLoopResult]: For program point L27-3(lines 27 37) no Hoare annotation was computed. [2019-11-28 00:07:23,807 INFO L246 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2019-11-28 00:07:23,807 INFO L249 CegarLoopResult]: At program point L42(lines 17 43) the Hoare annotation is: true [2019-11-28 00:07:23,807 INFO L242 CegarLoopResult]: At program point L11-2(lines 30 31) the Hoare annotation is: (and (exists ((v_ULTIMATE.start_main_~x~0_14 Int)) (let ((.cse0 (* v_ULTIMATE.start_main_~x~0_14 ULTIMATE.start_main_~z~0))) (and (= ULTIMATE.start_main_~x~0 (+ .cse0 1)) (= ULTIMATE.start_main_~y~0 (* (+ .cse0 (* v_ULTIMATE.start_main_~x~0_14 (- 1)) 1) ULTIMATE.start_main_~z~0))))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) [2019-11-28 00:07:23,807 INFO L246 CegarLoopResult]: For program point L11-3(lines 11 14) no Hoare annotation was computed. [2019-11-28 00:07:23,808 INFO L249 CegarLoopResult]: At program point L11-5(lines 10 16) the Hoare annotation is: true [2019-11-28 00:07:23,808 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:07:23,808 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:07:23,808 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2019-11-28 00:07:23,808 INFO L246 CegarLoopResult]: For program point L12(lines 12 13) no Hoare annotation was computed. [2019-11-28 00:07:23,808 INFO L246 CegarLoopResult]: For program point L12-1(lines 12 13) no Hoare annotation was computed. [2019-11-28 00:07:23,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:07:23 BoogieIcfgContainer [2019-11-28 00:07:23,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:07:23,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:07:23,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:07:23,837 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:07:23,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:07:16" (3/4) ... [2019-11-28 00:07:23,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:07:23,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:07:23,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:07:23,882 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_ULTIMATE.start_main_~x~0_14 : int :: x == v_ULTIMATE.start_main_~x~0_14 * z + 1 && y == (v_ULTIMATE.start_main_~x~0_14 * z + v_ULTIMATE.start_main_~x~0_14 * -1 + 1) * z) && 1 == cond) || ((\exists v_ULTIMATE.start_main_~x~0_14 : int :: x == v_ULTIMATE.start_main_~x~0_14 * z + 1 && y == (v_ULTIMATE.start_main_~x~0_14 * z + v_ULTIMATE.start_main_~x~0_14 * -1 + 1) * z) && x == 1) [2019-11-28 00:07:23,882 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_main_~x~0_14 : int :: x == v_ULTIMATE.start_main_~x~0_14 * z + 1 && y == (v_ULTIMATE.start_main_~x~0_14 * z + v_ULTIMATE.start_main_~x~0_14 * -1 + 1) * z) && 1 == cond [2019-11-28 00:07:23,901 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:07:23,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:07:23,904 INFO L168 Benchmark]: Toolchain (without parser) took 7755.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -43.2 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:07:23,905 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:07:23,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.86 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:07:23,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:07:23,907 INFO L168 Benchmark]: Boogie Preprocessor took 22.64 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. [2019-11-28 00:07:23,908 INFO L168 Benchmark]: RCFGBuilder took 229.30 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:07:23,908 INFO L168 Benchmark]: TraceAbstraction took 7082.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:07:23,909 INFO L168 Benchmark]: Witness Printer took 65.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:07:23,912 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.86 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 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 96.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.64 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. * RCFGBuilder took 229.30 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7082.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Witness Printer took 65.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. 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[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 13]: 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: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant [2019-11-28 00:07:23,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_main_~x~0_14 : int :: x == v_ULTIMATE.start_main_~x~0_14 * z + 1 && y == (v_ULTIMATE.start_main_~x~0_14 * z + v_ULTIMATE.start_main_~x~0_14 * -1 + 1) * z) && 1 == cond - InvariantResult [Line: 27]: Loop Invariant [2019-11-28 00:07:23,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-28 00:07:23,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] Derived loop invariant: ((\exists v_ULTIMATE.start_main_~x~0_14 : int :: x == v_ULTIMATE.start_main_~x~0_14 * z + 1 && y == (v_ULTIMATE.start_main_~x~0_14 * z + v_ULTIMATE.start_main_~x~0_14 * -1 + 1) * z) && 1 == cond) || ((\exists v_ULTIMATE.start_main_~x~0_14 : int :: x == v_ULTIMATE.start_main_~x~0_14 * z + 1 && y == (v_ULTIMATE.start_main_~x~0_14 * z + v_ULTIMATE.start_main_~x~0_14 * -1 + 1) * z) && x == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 2 error locations. Result: SAFE, OverallTime: 6.8s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 24 SDtfs, 34 SDslu, 54 SDs, 0 SdLazy, 83 SolverSat, 26 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.2s 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, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 16 NumberOfFragments, 78 HoareAnnotationTreeSize, 4 FomulaSimplifications, 183 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 30 ConstructedInterpolants, 1 QuantifiedInterpolants, 1884 SizeOfPredicates, 32 NumberOfNonLiveVariables, 152 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 13/24 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...