/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:17,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:17,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:17,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:17,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:17,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:17,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:17,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:17,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:17,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:17,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:17,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:17,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:17,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:17,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:17,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:17,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:17,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:17,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:17,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:17,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:17,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:17,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:17,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:17,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:17,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:17,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:17,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:17,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:17,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:17,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:17,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:17,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:17,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:17,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:17,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:17,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:17,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:17,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:17,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:17,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:17,833 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:17,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:17,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:17,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:17,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:17,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:17,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:17,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:17,835 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:17,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:17,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:17,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:17,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:17,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:17,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:17,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:17,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:17,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:17,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:17,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:17,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:17,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:18,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:18,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:18,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:18,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:18,300 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:18,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-12-22 06:54:18,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675282d44/e890c5ce525746d2887dda7237b527a6/FLAG6c73a5866 [2020-12-22 06:54:19,244 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:19,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-12-22 06:54:19,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675282d44/e890c5ce525746d2887dda7237b527a6/FLAG6c73a5866 [2020-12-22 06:54:19,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675282d44/e890c5ce525746d2887dda7237b527a6 [2020-12-22 06:54:19,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:19,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:19,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:19,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:19,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:19,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b78669e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:19, skipping insertion in model container [2020-12-22 06:54:19,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:19" (1/1) ... [2020-12-22 06:54:19,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:19,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:19,993 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14314,14327] [2020-12-22 06:54:20,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:20,058 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:20,170 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14314,14327] [2020-12-22 06:54:20,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:20,217 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:20,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20 WrapperNode [2020-12-22 06:54:20,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:20,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:20,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:20,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:20,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (1/1) ... [2020-12-22 06:54:20,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (1/1) ... [2020-12-22 06:54:20,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:20,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:20,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:20,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:20,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (1/1) ... [2020-12-22 06:54:20,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (1/1) ... [2020-12-22 06:54:20,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (1/1) ... [2020-12-22 06:54:20,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (1/1) ... [2020-12-22 06:54:20,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (1/1) ... [2020-12-22 06:54:20,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (1/1) ... [2020-12-22 06:54:20,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (1/1) ... [2020-12-22 06:54:20,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:20,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:20,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:20,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:20,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (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 [2020-12-22 06:54:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:21,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:21,395 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2020-12-22 06:54:21,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:21 BoogieIcfgContainer [2020-12-22 06:54:21,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:21,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:21,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:21,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:21,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:19" (1/3) ... [2020-12-22 06:54:21,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172c23a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:21, skipping insertion in model container [2020-12-22 06:54:21,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:20" (2/3) ... [2020-12-22 06:54:21,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172c23a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:21, skipping insertion in model container [2020-12-22 06:54:21,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:21" (3/3) ... [2020-12-22 06:54:21,408 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2020-12-22 06:54:21,415 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:21,421 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:21,444 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:21,474 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:21,474 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:21,474 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:21,475 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:21,475 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:21,475 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:21,475 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:21,475 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-12-22 06:54:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:21,501 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:21,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:21,503 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:21,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:21,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2020-12-22 06:54:21,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:21,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380375478] [2020-12-22 06:54:21,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:21,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380375478] [2020-12-22 06:54:21,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:21,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:21,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458791684] [2020-12-22 06:54:21,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:21,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:21,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:21,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:21,968 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2020-12-22 06:54:22,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:22,010 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2020-12-22 06:54:22,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:22,012 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:22,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:22,038 INFO L225 Difference]: With dead ends: 119 [2020-12-22 06:54:22,038 INFO L226 Difference]: Without dead ends: 59 [2020-12-22 06:54:22,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:22,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-12-22 06:54:22,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-12-22 06:54:22,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-22 06:54:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-12-22 06:54:22,106 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2020-12-22 06:54:22,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:22,107 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-12-22 06:54:22,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-12-22 06:54:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:22,108 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:22,109 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:22,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:22,109 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:22,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:22,110 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2020-12-22 06:54:22,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:22,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963660499] [2020-12-22 06:54:22,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:22,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963660499] [2020-12-22 06:54:22,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:22,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:22,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931051488] [2020-12-22 06:54:22,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:22,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:22,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:22,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:22,238 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2020-12-22 06:54:22,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:22,249 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-12-22 06:54:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:22,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:22,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:22,252 INFO L225 Difference]: With dead ends: 59 [2020-12-22 06:54:22,252 INFO L226 Difference]: Without dead ends: 31 [2020-12-22 06:54:22,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:22,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-22 06:54:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-22 06:54:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-22 06:54:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-12-22 06:54:22,259 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-12-22 06:54:22,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:22,260 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-12-22 06:54:22,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-12-22 06:54:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:22,261 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:22,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:22,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:22,262 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:22,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2020-12-22 06:54:22,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:22,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519032761] [2020-12-22 06:54:22,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:22,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:22,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519032761] [2020-12-22 06:54:22,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:22,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:22,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958974009] [2020-12-22 06:54:22,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:22,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:22,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:22,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:22,401 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 6 states. [2020-12-22 06:54:22,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:22,598 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-12-22 06:54:22,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:22,599 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-22 06:54:22,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:22,600 INFO L225 Difference]: With dead ends: 103 [2020-12-22 06:54:22,600 INFO L226 Difference]: Without dead ends: 79 [2020-12-22 06:54:22,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:54:22,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-22 06:54:22,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 51. [2020-12-22 06:54:22,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:54:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-12-22 06:54:22,624 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2020-12-22 06:54:22,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:22,627 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-12-22 06:54:22,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-12-22 06:54:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:22,628 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:22,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:22,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:22,629 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:22,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:22,630 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2020-12-22 06:54:22,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:22,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866346865] [2020-12-22 06:54:22,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:22,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866346865] [2020-12-22 06:54:22,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:22,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:22,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249795316] [2020-12-22 06:54:22,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:22,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:22,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:22,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:22,747 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2020-12-22 06:54:22,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:22,836 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2020-12-22 06:54:22,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:22,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:54:22,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:22,839 INFO L225 Difference]: With dead ends: 219 [2020-12-22 06:54:22,839 INFO L226 Difference]: Without dead ends: 175 [2020-12-22 06:54:22,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:22,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-12-22 06:54:22,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2020-12-22 06:54:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-22 06:54:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2020-12-22 06:54:22,858 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2020-12-22 06:54:22,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:22,859 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2020-12-22 06:54:22,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2020-12-22 06:54:22,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:54:22,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:22,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:22,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:22,861 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:22,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:22,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2020-12-22 06:54:22,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:22,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830901881] [2020-12-22 06:54:22,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:22,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:22,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830901881] [2020-12-22 06:54:22,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:22,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:22,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459116946] [2020-12-22 06:54:22,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:22,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:22,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:22,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:22,925 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2020-12-22 06:54:22,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:22,987 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2020-12-22 06:54:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:22,989 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:54:22,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:22,990 INFO L225 Difference]: With dead ends: 271 [2020-12-22 06:54:22,990 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:22,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:54:22,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:22,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:22,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-22 06:54:22,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:22,999 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:22,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:22,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:23,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:23,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:23,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:23,345 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 670) no Hoare annotation was computed. [2020-12-22 06:54:23,345 INFO L189 CegarLoopUtils]: For program point L696(lines 696 706) no Hoare annotation was computed. [2020-12-22 06:54:23,346 INFO L189 CegarLoopUtils]: For program point L696-2(lines 696 706) no Hoare annotation was computed. [2020-12-22 06:54:23,346 INFO L189 CegarLoopUtils]: For program point L696-4(lines 696 706) no Hoare annotation was computed. [2020-12-22 06:54:23,346 INFO L189 CegarLoopUtils]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-12-22 06:54:23,347 INFO L192 CegarLoopUtils]: At program point L878-1(lines 878 885) the Hoare annotation is: true [2020-12-22 06:54:23,347 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:23,347 INFO L189 CegarLoopUtils]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-12-22 06:54:23,347 INFO L189 CegarLoopUtils]: For program point L697-2(lines 697 703) no Hoare annotation was computed. [2020-12-22 06:54:23,347 INFO L189 CegarLoopUtils]: For program point L697-4(lines 697 703) no Hoare annotation was computed. [2020-12-22 06:54:23,348 INFO L185 CegarLoopUtils]: At program point L681(lines 676 683) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:23,349 INFO L189 CegarLoopUtils]: For program point L584(lines 584 590) no Hoare annotation was computed. [2020-12-22 06:54:23,349 INFO L185 CegarLoopUtils]: At program point L584-1(lines 584 590) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:23,349 INFO L189 CegarLoopUtils]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-12-22 06:54:23,349 INFO L185 CegarLoopUtils]: At program point L470(lines 470 476) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:23,349 INFO L185 CegarLoopUtils]: At program point L470-1(lines 470 476) the Hoare annotation is: false [2020-12-22 06:54:23,350 INFO L185 CegarLoopUtils]: At program point L470-2(lines 470 476) the Hoare annotation is: false [2020-12-22 06:54:23,350 INFO L189 CegarLoopUtils]: For program point L619(lines 619 625) no Hoare annotation was computed. [2020-12-22 06:54:23,350 INFO L185 CegarLoopUtils]: At program point L619-1(lines 619 625) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:23,350 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:23,351 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:23,351 INFO L189 CegarLoopUtils]: For program point L670(line 670) no Hoare annotation was computed. [2020-12-22 06:54:23,351 INFO L189 CegarLoopUtils]: For program point L670-1(line 670) no Hoare annotation was computed. [2020-12-22 06:54:23,351 INFO L189 CegarLoopUtils]: For program point L670-2(line 670) no Hoare annotation was computed. [2020-12-22 06:54:23,351 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 670) no Hoare annotation was computed. [2020-12-22 06:54:23,351 INFO L189 CegarLoopUtils]: For program point L721(lines 721 725) no Hoare annotation was computed. [2020-12-22 06:54:23,352 INFO L189 CegarLoopUtils]: For program point L721-3(lines 721 725) no Hoare annotation was computed. [2020-12-22 06:54:23,352 INFO L189 CegarLoopUtils]: For program point L721-6(lines 721 725) no Hoare annotation was computed. [2020-12-22 06:54:23,352 INFO L189 CegarLoopUtils]: For program point L639(lines 639 652) no Hoare annotation was computed. [2020-12-22 06:54:23,352 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:23,352 INFO L185 CegarLoopUtils]: At program point L540(lines 535 543) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:23,352 INFO L185 CegarLoopUtils]: At program point L540-1(lines 535 543) the Hoare annotation is: false [2020-12-22 06:54:23,353 INFO L185 CegarLoopUtils]: At program point L540-2(lines 535 543) the Hoare annotation is: false [2020-12-22 06:54:23,353 INFO L192 CegarLoopUtils]: At program point L887(lines 868 890) the Hoare annotation is: true [2020-12-22 06:54:23,353 INFO L185 CegarLoopUtils]: At program point L854(lines 850 856) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:23,353 INFO L185 CegarLoopUtils]: At program point L657(lines 608 658) the Hoare annotation is: false [2020-12-22 06:54:23,353 INFO L185 CegarLoopUtils]: At program point L806-2(lines 806 820) the Hoare annotation is: false [2020-12-22 06:54:23,354 INFO L189 CegarLoopUtils]: For program point L807(line 807) no Hoare annotation was computed. [2020-12-22 06:54:23,354 INFO L185 CegarLoopUtils]: At program point L758(lines 753 761) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:23,354 INFO L185 CegarLoopUtils]: At program point L758-1(lines 753 761) the Hoare annotation is: false [2020-12-22 06:54:23,354 INFO L189 CegarLoopUtils]: For program point L692(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:23,354 INFO L185 CegarLoopUtils]: At program point L758-2(lines 753 761) the Hoare annotation is: false [2020-12-22 06:54:23,354 INFO L185 CegarLoopUtils]: At program point L692-1(lines 1 890) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:23,355 INFO L189 CegarLoopUtils]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:23,355 INFO L185 CegarLoopUtils]: At program point L692-3(lines 1 890) the Hoare annotation is: false [2020-12-22 06:54:23,355 INFO L189 CegarLoopUtils]: For program point L692-4(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:23,355 INFO L185 CegarLoopUtils]: At program point L692-5(lines 1 890) the Hoare annotation is: false [2020-12-22 06:54:23,355 INFO L189 CegarLoopUtils]: For program point L610(lines 609 656) no Hoare annotation was computed. [2020-12-22 06:54:23,355 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:23,356 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 670) no Hoare annotation was computed. [2020-12-22 06:54:23,356 INFO L189 CegarLoopUtils]: For program point L611(lines 611 615) no Hoare annotation was computed. [2020-12-22 06:54:23,356 INFO L185 CegarLoopUtils]: At program point L463(lines 462 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:23,356 INFO L189 CegarLoopUtils]: For program point L463-1(lines 463 469) no Hoare annotation was computed. [2020-12-22 06:54:23,356 INFO L185 CegarLoopUtils]: At program point L463-2(lines 462 481) the Hoare annotation is: false [2020-12-22 06:54:23,356 INFO L185 CegarLoopUtils]: At program point L463-3(lines 462 481) the Hoare annotation is: false [2020-12-22 06:54:23,357 INFO L189 CegarLoopUtils]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-12-22 06:54:23,357 INFO L189 CegarLoopUtils]: For program point L810-1(lines 463 469) no Hoare annotation was computed. [2020-12-22 06:54:23,357 INFO L189 CegarLoopUtils]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-12-22 06:54:23,357 INFO L185 CegarLoopUtils]: At program point L645-1(lines 463 469) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:23,357 INFO L185 CegarLoopUtils]: At program point L67(lines 1 890) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:23,357 INFO L189 CegarLoopUtils]: For program point L629(lines 629 635) no Hoare annotation was computed. [2020-12-22 06:54:23,358 INFO L185 CegarLoopUtils]: At program point L629-1(lines 629 635) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:23,358 INFO L189 CegarLoopUtils]: For program point L745(lines 745 749) no Hoare annotation was computed. [2020-12-22 06:54:23,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:23 BoogieIcfgContainer [2020-12-22 06:54:23,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:23,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:23,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:23,380 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:23,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:21" (3/4) ... [2020-12-22 06:54:23,384 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:23,400 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:23,401 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:23,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:23,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:23,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:23,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:23,404 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:23,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-12-22 06:54:23,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-12-22 06:54:23,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-12-22 06:54:23,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:54:23,525 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product11.cil.c-witness.graphml [2020-12-22 06:54:23,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:23,528 INFO L168 Benchmark]: Toolchain (without parser) took 4023.29 ms. Allocated memory was 168.8 MB in the beginning and 227.5 MB in the end (delta: 58.7 MB). Free memory was 142.7 MB in the beginning and 167.5 MB in the end (delta: -24.8 MB). Peak memory consumption was 35.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:23,528 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 168.8 MB. Free memory is still 141.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:23,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.70 ms. Allocated memory is still 168.8 MB. Free memory was 142.4 MB in the beginning and 122.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:23,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.66 ms. Allocated memory is still 168.8 MB. Free memory was 122.2 MB in the beginning and 119.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:23,530 INFO L168 Benchmark]: Boogie Preprocessor took 56.14 ms. Allocated memory is still 168.8 MB. Free memory was 119.4 MB in the beginning and 117.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:23,531 INFO L168 Benchmark]: RCFGBuilder took 1028.45 ms. Allocated memory is still 168.8 MB. Free memory was 117.5 MB in the beginning and 67.7 MB in the end (delta: 49.8 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:23,531 INFO L168 Benchmark]: TraceAbstraction took 1980.07 ms. Allocated memory was 168.8 MB in the beginning and 227.5 MB in the end (delta: 58.7 MB). Free memory was 67.2 MB in the beginning and 172.8 MB in the end (delta: -105.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:23,532 INFO L168 Benchmark]: Witness Printer took 145.52 ms. Allocated memory is still 227.5 MB. Free memory was 172.8 MB in the beginning and 167.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:23,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 168.8 MB. Free memory is still 141.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 711.70 ms. Allocated memory is still 168.8 MB. Free memory was 142.4 MB in the beginning and 122.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 91.66 ms. Allocated memory is still 168.8 MB. Free memory was 122.2 MB in the beginning and 119.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.14 ms. Allocated memory is still 168.8 MB. Free memory was 119.4 MB in the beginning and 117.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1028.45 ms. Allocated memory is still 168.8 MB. Free memory was 117.5 MB in the beginning and 67.7 MB in the end (delta: 49.8 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1980.07 ms. Allocated memory was 168.8 MB in the beginning and 227.5 MB in the end (delta: 58.7 MB). Free memory was 67.2 MB in the beginning and 172.8 MB in the end (delta: -105.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 8.0 GB. * Witness Printer took 145.52 ms. Allocated memory is still 227.5 MB. Free memory was 172.8 MB in the beginning and 167.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 670]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 670]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 670]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 285 SDtfs, 370 SDslu, 498 SDs, 0 SdLazy, 60 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, 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, 5 MinimizatonAttempts, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 135 HoareAnnotationTreeSize, 27 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...