/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:24:26,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:24:26,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:24:26,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:24:26,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:24:26,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:24:26,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:24:26,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:24:26,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:24:26,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:24:26,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:24:26,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:24:26,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:24:26,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:24:26,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:24:26,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:24:26,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:24:26,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:24:26,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:24:26,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:24:26,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:24:26,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:24:26,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:24:26,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:24:26,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:24:26,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:24:26,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:24:26,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:24:26,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:24:26,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:24:26,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:24:26,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:24:26,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:24:26,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:24:26,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:24:26,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:24:26,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:24:26,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:24:26,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:24:26,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:24:26,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:24:26,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:24:26,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:24:26,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:24:26,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:24:26,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:24:26,887 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:24:26,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:24:26,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:24:26,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:24:26,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:24:26,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:24:26,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:24:26,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:24:26,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:24:26,889 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:24:26,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:24:26,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:24:26,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:24:26,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:24:26,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:24:26,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:24:26,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:24:26,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:24:26,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:24:26,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:24:26,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:24:26,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:24:26,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:24:26,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:24:26,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:24:27,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:24:27,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:24:27,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:24:27,207 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:24:27,207 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:24:27,208 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2019-11-06 21:24:27,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cdc1b828/60207b84f26d40fa9bae7b184fb6bdb1/FLAG193d16b43 [2019-11-06 21:24:27,793 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:24:27,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2019-11-06 21:24:27,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cdc1b828/60207b84f26d40fa9bae7b184fb6bdb1/FLAG193d16b43 [2019-11-06 21:24:28,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cdc1b828/60207b84f26d40fa9bae7b184fb6bdb1 [2019-11-06 21:24:28,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:24:28,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:24:28,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:24:28,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:24:28,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:24:28,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:24:28" (1/1) ... [2019-11-06 21:24:28,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd2eba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28, skipping insertion in model container [2019-11-06 21:24:28,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:24:28" (1/1) ... [2019-11-06 21:24:28,140 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:24:28,176 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:24:28,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:24:28,435 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:24:28,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:24:28,590 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:24:28,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28 WrapperNode [2019-11-06 21:24:28,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:24:28,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:24:28,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:24:28,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:24:28,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28" (1/1) ... [2019-11-06 21:24:28,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28" (1/1) ... [2019-11-06 21:24:28,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28" (1/1) ... [2019-11-06 21:24:28,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28" (1/1) ... [2019-11-06 21:24:28,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28" (1/1) ... [2019-11-06 21:24:28,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28" (1/1) ... [2019-11-06 21:24:28,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28" (1/1) ... [2019-11-06 21:24:28,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:24:28,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:24:28,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:24:28,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:24:28,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28" (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 [2019-11-06 21:24:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:24:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:24:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-06 21:24:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-11-06 21:24:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:24:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-11-06 21:24:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:24:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-06 21:24:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-11-06 21:24:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-11-06 21:24:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:24:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-06 21:24:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-06 21:24:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:24:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:24:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:24:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:24:29,205 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:24:29,206 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-06 21:24:29,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:24:29 BoogieIcfgContainer [2019-11-06 21:24:29,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:24:29,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:24:29,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:24:29,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:24:29,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:24:28" (1/3) ... [2019-11-06 21:24:29,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff7679f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:24:29, skipping insertion in model container [2019-11-06 21:24:29,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:24:28" (2/3) ... [2019-11-06 21:24:29,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff7679f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:24:29, skipping insertion in model container [2019-11-06 21:24:29,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:24:29" (3/3) ... [2019-11-06 21:24:29,215 INFO L109 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2019-11-06 21:24:29,225 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:24:29,233 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:24:29,244 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:24:29,270 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:24:29,270 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:24:29,271 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:24:29,271 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:24:29,271 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:24:29,271 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:24:29,272 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:24:29,272 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:24:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2019-11-06 21:24:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-06 21:24:29,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:24:29,300 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:24:29,302 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:24:29,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:24:29,308 INFO L82 PathProgramCache]: Analyzing trace with hash 406725423, now seen corresponding path program 1 times [2019-11-06 21:24:29,316 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:24:29,316 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573670487] [2019-11-06 21:24:29,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:24:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:24:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:24:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:24:29,569 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573670487] [2019-11-06 21:24:29,570 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:24:29,570 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 21:24:29,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456059208] [2019-11-06 21:24:29,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 21:24:29,580 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:24:29,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 21:24:29,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 21:24:29,613 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 3 states. [2019-11-06 21:24:29,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:24:29,886 INFO L93 Difference]: Finished difference Result 127 states and 191 transitions. [2019-11-06 21:24:29,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 21:24:29,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-06 21:24:29,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:24:29,898 INFO L225 Difference]: With dead ends: 127 [2019-11-06 21:24:29,898 INFO L226 Difference]: Without dead ends: 24 [2019-11-06 21:24:29,903 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 21:24:29,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-06 21:24:29,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2019-11-06 21:24:29,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-06 21:24:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2019-11-06 21:24:29,949 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 12 [2019-11-06 21:24:29,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:24:29,949 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2019-11-06 21:24:29,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 21:24:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2019-11-06 21:24:29,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-06 21:24:29,950 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:24:29,951 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:24:29,951 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:24:29,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:24:29,952 INFO L82 PathProgramCache]: Analyzing trace with hash 394719650, now seen corresponding path program 1 times [2019-11-06 21:24:29,952 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:24:29,952 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305797695] [2019-11-06 21:24:29,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:24:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:24:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:24:30,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:24:30,145 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305797695] [2019-11-06 21:24:30,146 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:24:30,146 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 21:24:30,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839999288] [2019-11-06 21:24:30,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 21:24:30,148 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:24:30,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 21:24:30,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-06 21:24:30,149 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 7 states. [2019-11-06 21:24:30,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:24:30,389 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2019-11-06 21:24:30,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 21:24:30,391 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2019-11-06 21:24:30,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:24:30,392 INFO L225 Difference]: With dead ends: 24 [2019-11-06 21:24:30,392 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 21:24:30,393 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:24:30,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 21:24:30,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 21:24:30,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 21:24:30,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 21:24:30,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-06 21:24:30,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:24:30,396 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 21:24:30,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 21:24:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 21:24:30,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 21:24:30,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 21:24:30,641 INFO L446 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: true [2019-11-06 21:24:30,641 INFO L443 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2019-11-06 21:24:30,642 INFO L443 ceAbstractionStarter]: For program point L127-2(lines 127 133) no Hoare annotation was computed. [2019-11-06 21:24:30,642 INFO L446 ceAbstractionStarter]: At program point L127-3(lines 127 133) the Hoare annotation is: true [2019-11-06 21:24:30,642 INFO L443 ceAbstractionStarter]: For program point L119-2(lines 119 126) no Hoare annotation was computed. [2019-11-06 21:24:30,642 INFO L446 ceAbstractionStarter]: At program point L119-3(lines 119 126) the Hoare annotation is: true [2019-11-06 21:24:30,642 INFO L443 ceAbstractionStarter]: For program point L119-4(lines 119 126) no Hoare annotation was computed. [2019-11-06 21:24:30,642 INFO L443 ceAbstractionStarter]: For program point L144-2(lines 144 150) no Hoare annotation was computed. [2019-11-06 21:24:30,642 INFO L446 ceAbstractionStarter]: At program point L144-3(lines 144 150) the Hoare annotation is: true [2019-11-06 21:24:30,644 INFO L443 ceAbstractionStarter]: For program point L144-4(lines 144 150) no Hoare annotation was computed. [2019-11-06 21:24:30,644 INFO L443 ceAbstractionStarter]: For program point L136-2(lines 136 142) no Hoare annotation was computed. [2019-11-06 21:24:30,644 INFO L446 ceAbstractionStarter]: At program point L136-3(lines 136 142) the Hoare annotation is: true [2019-11-06 21:24:30,644 INFO L443 ceAbstractionStarter]: For program point L136-4(lines 136 142) no Hoare annotation was computed. [2019-11-06 21:24:30,644 INFO L443 ceAbstractionStarter]: For program point ludcmpEXIT(lines 109 153) no Hoare annotation was computed. [2019-11-06 21:24:30,645 INFO L439 ceAbstractionStarter]: At program point ludcmpENTRY(lines 109 153) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)) [2019-11-06 21:24:30,645 INFO L443 ceAbstractionStarter]: For program point ludcmpFINAL(lines 109 153) no Hoare annotation was computed. [2019-11-06 21:24:30,645 INFO L443 ceAbstractionStarter]: For program point L130-2(lines 130 131) no Hoare annotation was computed. [2019-11-06 21:24:30,645 INFO L446 ceAbstractionStarter]: At program point L130-3(lines 130 131) the Hoare annotation is: true [2019-11-06 21:24:30,645 INFO L443 ceAbstractionStarter]: For program point L130-4(lines 130 131) no Hoare annotation was computed. [2019-11-06 21:24:30,646 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 124) no Hoare annotation was computed. [2019-11-06 21:24:30,646 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 122 124) no Hoare annotation was computed. [2019-11-06 21:24:30,646 INFO L443 ceAbstractionStarter]: For program point L147-2(lines 147 148) no Hoare annotation was computed. [2019-11-06 21:24:30,646 INFO L446 ceAbstractionStarter]: At program point L147-3(lines 147 148) the Hoare annotation is: true [2019-11-06 21:24:30,646 INFO L443 ceAbstractionStarter]: For program point L147-4(lines 147 148) no Hoare annotation was computed. [2019-11-06 21:24:30,646 INFO L443 ceAbstractionStarter]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2019-11-06 21:24:30,646 INFO L446 ceAbstractionStarter]: At program point L139-3(lines 139 140) the Hoare annotation is: true [2019-11-06 21:24:30,647 INFO L443 ceAbstractionStarter]: For program point L139-4(lines 139 140) no Hoare annotation was computed. [2019-11-06 21:24:30,647 INFO L443 ceAbstractionStarter]: For program point L123-2(lines 123 124) no Hoare annotation was computed. [2019-11-06 21:24:30,647 INFO L446 ceAbstractionStarter]: At program point L123-3(lines 123 124) the Hoare annotation is: true [2019-11-06 21:24:30,647 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-06 21:24:30,647 INFO L443 ceAbstractionStarter]: For program point L116-2(lines 116 134) no Hoare annotation was computed. [2019-11-06 21:24:30,647 INFO L446 ceAbstractionStarter]: At program point L116-3(lines 116 134) the Hoare annotation is: true [2019-11-06 21:24:30,648 INFO L443 ceAbstractionStarter]: For program point L116-4(lines 116 134) no Hoare annotation was computed. [2019-11-06 21:24:30,651 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:24:30,651 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |~#x~0.base| |old(~#x~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#x~0.offset| |old(~#x~0.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|)) [2019-11-06 21:24:30,651 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:24:30,651 INFO L443 ceAbstractionStarter]: For program point L78(lines 78 79) no Hoare annotation was computed. [2019-11-06 21:24:30,652 INFO L443 ceAbstractionStarter]: For program point L78-2(lines 78 79) no Hoare annotation was computed. [2019-11-06 21:24:30,652 INFO L443 ceAbstractionStarter]: For program point fabsEXIT(lines 74 81) no Hoare annotation was computed. [2019-11-06 21:24:30,653 INFO L446 ceAbstractionStarter]: At program point fabsENTRY(lines 74 81) the Hoare annotation is: true [2019-11-06 21:24:30,653 INFO L443 ceAbstractionStarter]: For program point fabsFINAL(lines 74 81) no Hoare annotation was computed. [2019-11-06 21:24:30,653 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:24:30,653 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-06 21:24:30,653 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 21:24:30,653 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:24:30,653 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-06 21:24:30,654 INFO L443 ceAbstractionStarter]: For program point L97-2(line 97) no Hoare annotation was computed. [2019-11-06 21:24:30,654 INFO L443 ceAbstractionStarter]: For program point L91-2(lines 91 102) no Hoare annotation was computed. [2019-11-06 21:24:30,654 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 83 107) no Hoare annotation was computed. [2019-11-06 21:24:30,654 INFO L439 ceAbstractionStarter]: At program point L91-3(lines 91 102) the Hoare annotation is: (<= main_~n~0 5) [2019-11-06 21:24:30,655 INFO L446 ceAbstractionStarter]: At program point L91-4(lines 91 102) the Hoare annotation is: true [2019-11-06 21:24:30,655 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 83 107) no Hoare annotation was computed. [2019-11-06 21:24:30,655 INFO L443 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2019-11-06 21:24:30,655 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-06 21:24:30,655 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 83 107) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)) [2019-11-06 21:24:30,656 INFO L443 ceAbstractionStarter]: For program point L94-2(lines 94 99) no Hoare annotation was computed. [2019-11-06 21:24:30,656 INFO L439 ceAbstractionStarter]: At program point L94-3(lines 94 99) the Hoare annotation is: (and (<= main_~n~0 5) (<= main_~i~0 5)) [2019-11-06 21:24:30,656 INFO L439 ceAbstractionStarter]: At program point L94-4(lines 94 99) the Hoare annotation is: (and (<= main_~n~0 5) (<= main_~i~0 5)) [2019-11-06 21:24:30,656 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-11-06 21:24:30,657 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-11-06 21:24:30,657 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-06 21:24:30,657 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-06 21:24:30,657 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-06 21:24:30,657 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-11-06 21:24:30,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:24:30 BoogieIcfgContainer [2019-11-06 21:24:30,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:24:30,692 INFO L168 Benchmark]: Toolchain (without parser) took 2571.32 ms. Allocated memory was 145.2 MB in the beginning and 235.4 MB in the end (delta: 90.2 MB). Free memory was 103.5 MB in the beginning and 151.0 MB in the end (delta: -47.5 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. [2019-11-06 21:24:30,694 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 21:24:30,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.19 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 179.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:24:30,696 INFO L168 Benchmark]: Boogie Preprocessor took 54.10 ms. Allocated memory is still 202.4 MB. Free memory was 179.4 MB in the beginning and 176.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-11-06 21:24:30,698 INFO L168 Benchmark]: RCFGBuilder took 561.34 ms. Allocated memory is still 202.4 MB. Free memory was 176.7 MB in the beginning and 149.5 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-11-06 21:24:30,699 INFO L168 Benchmark]: TraceAbstraction took 1481.61 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 149.5 MB in the beginning and 151.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2019-11-06 21:24:30,707 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 469.19 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 179.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.10 ms. Allocated memory is still 202.4 MB. Free memory was 179.4 MB in the beginning and 176.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 561.34 ms. Allocated memory is still 202.4 MB. Free memory was 176.7 MB in the beginning and 149.5 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1481.61 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 149.5 MB in the beginning and 151.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 116]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: n <= 5 && i <= 5 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: n <= 5 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 85 SDtfs, 41 SDslu, 30 SDs, 0 SdLazy, 118 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 46 PreInvPairs, 74 NumberOfFragments, 86 HoareAnnotationTreeSize, 46 FomulaSimplifications, 123 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 21 FomulaSimplificationsInter, 122 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...