./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/oomInt.i --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/ldv-regression/oomInt.i -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 7532be101c0c78d98d9bbd24e7e5d146886dd016 ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:53:05,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:53:05,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:53:05,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:53:05,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:53:05,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:53:05,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:53:05,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:53:05,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:53:05,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:53:05,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:53:05,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:53:05,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:53:05,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:53:05,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:53:05,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:53:05,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:53:05,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:53:05,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:53:05,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:53:05,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:53:05,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:53:05,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:53:05,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:53:05,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:53:05,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:53:05,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:53:05,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:53:05,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:53:05,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:53:05,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:53:05,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:53:05,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:53:05,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:53:05,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:53:05,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:53:05,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:53:05,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:53:05,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:53:05,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:53:05,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:53:05,159 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:53:05,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:53:05,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:53:05,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:53:05,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:53:05,177 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:53:05,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:53:05,178 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:53:05,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:53:05,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:53:05,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:53:05,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:53:05,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:53:05,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:53:05,180 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:53:05,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:53:05,180 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:53:05,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:53:05,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:53:05,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:53:05,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:53:05,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:53:05,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:53:05,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:53:05,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:53:05,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:53:05,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:53:05,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:53:05,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:53:05,184 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 -> 7532be101c0c78d98d9bbd24e7e5d146886dd016 [2019-11-27 23:53:05,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:53:05,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:53:05,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:53:05,508 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:53:05,508 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:53:05,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/oomInt.i [2019-11-27 23:53:05,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ed41b2c/d4cb8c33c38a498488d93c645a091635/FLAGa19dfaace [2019-11-27 23:53:06,065 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:53:06,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/oomInt.i [2019-11-27 23:53:06,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ed41b2c/d4cb8c33c38a498488d93c645a091635/FLAGa19dfaace [2019-11-27 23:53:06,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ed41b2c/d4cb8c33c38a498488d93c645a091635 [2019-11-27 23:53:06,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:53:06,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:53:06,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:53:06,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:53:06,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:53:06,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e958cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06, skipping insertion in model container [2019-11-27 23:53:06,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:53:06,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:53:06,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:53:06,692 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:53:06,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:53:06,727 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:53:06,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06 WrapperNode [2019-11-27 23:53:06,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:53:06,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:53:06,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:53:06,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:53:06,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:53:06,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:53:06,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:53:06,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:53:06,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (1/1) ... [2019-11-27 23:53:06,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:53:06,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:53:06,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:53:06,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:53:06,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:53:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:53:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:53:07,120 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:53:07,120 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-27 23:53:07,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:53:07 BoogieIcfgContainer [2019-11-27 23:53:07,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:53:07,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:53:07,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:53:07,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:53:07,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:53:06" (1/3) ... [2019-11-27 23:53:07,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371ffee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:53:07, skipping insertion in model container [2019-11-27 23:53:07,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:53:06" (2/3) ... [2019-11-27 23:53:07,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371ffee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:53:07, skipping insertion in model container [2019-11-27 23:53:07,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:53:07" (3/3) ... [2019-11-27 23:53:07,131 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i [2019-11-27 23:53:07,141 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:53:07,148 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:53:07,161 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:53:07,186 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:53:07,186 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:53:07,186 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:53:07,186 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:53:07,186 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:53:07,187 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:53:07,187 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:53:07,187 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:53:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-27 23:53:07,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-27 23:53:07,204 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:53:07,205 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-27 23:53:07,205 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:53:07,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:53:07,210 INFO L82 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2019-11-27 23:53:07,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:53:07,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5969934] [2019-11-27 23:53:07,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:53:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:53:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:53:07,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5969934] [2019-11-27 23:53:07,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:53:07,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-27 23:53:07,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616137547] [2019-11-27 23:53:07,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:53:07,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:53:07,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:53:07,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:53:07,419 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2019-11-27 23:53:07,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:53:07,496 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-11-27 23:53:07,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:53:07,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-11-27 23:53:07,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:53:07,506 INFO L225 Difference]: With dead ends: 15 [2019-11-27 23:53:07,506 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:53:07,510 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-27 23:53:07,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:53:07,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:53:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:53:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:53:07,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-27 23:53:07,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:53:07,548 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:53:07,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:53:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:53:07,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:53:07,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:53:07,597 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:53:07,597 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:53:07,597 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:53:07,597 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:53:07,598 INFO L242 CegarLoopResult]: At program point L24(lines 16 25) the Hoare annotation is: (and (= 0 (+ ULTIMATE.start_abs_int_~i 3)) (<= 3 |ULTIMATE.start_abs_int_#res|)) [2019-11-27 23:53:07,598 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-11-27 23:53:07,599 INFO L246 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2019-11-27 23:53:07,599 INFO L246 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2019-11-27 23:53:07,599 INFO L246 CegarLoopResult]: For program point L8(lines 8 11) no Hoare annotation was computed. [2019-11-27 23:53:07,599 INFO L246 CegarLoopResult]: For program point L6(lines 33 36) no Hoare annotation was computed. [2019-11-27 23:53:07,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:53:07 BoogieIcfgContainer [2019-11-27 23:53:07,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:53:07,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:53:07,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:53:07,621 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:53:07,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:53:07" (3/4) ... [2019-11-27 23:53:07,628 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:53:07,648 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-27 23:53:07,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:53:07,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == i + 3 && 3 <= \result [2019-11-27 23:53:07,694 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:53:07,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:53:07,701 INFO L168 Benchmark]: Toolchain (without parser) took 1210.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:53:07,702 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:53:07,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.52 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:53:07,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:53:07,704 INFO L168 Benchmark]: Boogie Preprocessor took 19.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:53:07,705 INFO L168 Benchmark]: RCFGBuilder took 275.95 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:53:07,706 INFO L168 Benchmark]: TraceAbstraction took 496.76 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:53:07,707 INFO L168 Benchmark]: Witness Printer took 74.14 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. [2019-11-27 23:53:07,711 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.52 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 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 97.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 275.95 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 496.76 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Witness Printer took 74.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 == i + 3 && 3 <= \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 12 SDslu, 4 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 9 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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...