/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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:08,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:08,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:08,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:08,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:08,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:08,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:09,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:09,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:09,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:09,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:09,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:09,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:09,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:09,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:09,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:09,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:09,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:09,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:09,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:09,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:09,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:09,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:09,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:09,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:09,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:09,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:09,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:09,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:09,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:09,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:09,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:09,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:09,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:09,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:09,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:09,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:09,121 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:09,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:09,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:09,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:09,124 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:09,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:09,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:09,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:09,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:09,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:09,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:09,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:09,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:09,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:09,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:09,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:09,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:09,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:09,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:09,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:09,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:09,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:09,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:09,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:09,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:09,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:09,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:09,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:09,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:09,572 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:09,573 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:09,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2020-12-22 06:54:09,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400d6f0de/4f47c7208d4741d7a37d4144e352630e/FLAGfa4565db5 [2020-12-22 06:54:10,544 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:10,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2020-12-22 06:54:10,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400d6f0de/4f47c7208d4741d7a37d4144e352630e/FLAGfa4565db5 [2020-12-22 06:54:10,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400d6f0de/4f47c7208d4741d7a37d4144e352630e [2020-12-22 06:54:10,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:10,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:10,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:10,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:10,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:10,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:10" (1/1) ... [2020-12-22 06:54:10,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e295099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:10, skipping insertion in model container [2020-12-22 06:54:10,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:10" (1/1) ... [2020-12-22 06:54:10,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:10,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:11,157 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_product03.cil.c[16995,17008] [2020-12-22 06:54:11,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:11,174 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:11,341 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_product03.cil.c[16995,17008] [2020-12-22 06:54:11,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:11,382 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:11,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11 WrapperNode [2020-12-22 06:54:11,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:11,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:11,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:11,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:11,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:11,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:11,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:11,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:11,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:11,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:11,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:11,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:11,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (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 06:54:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:12,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:12,718 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2020-12-22 06:54:12,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:12 BoogieIcfgContainer [2020-12-22 06:54:12,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:12,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:12,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:12,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:12,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:10" (1/3) ... [2020-12-22 06:54:12,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7ef3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:12, skipping insertion in model container [2020-12-22 06:54:12,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (2/3) ... [2020-12-22 06:54:12,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7ef3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:12, skipping insertion in model container [2020-12-22 06:54:12,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:12" (3/3) ... [2020-12-22 06:54:12,730 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2020-12-22 06:54:12,737 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:12,742 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:12,767 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:12,803 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:12,803 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:12,803 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:12,804 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:12,804 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:12,804 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:12,804 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:12,805 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-12-22 06:54:12,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:12,836 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:12,838 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 06:54:12,838 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:12,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:12,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2020-12-22 06:54:12,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:12,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879999372] [2020-12-22 06:54:12,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:13,253 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 06:54:13,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879999372] [2020-12-22 06:54:13,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:13,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:13,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421600358] [2020-12-22 06:54:13,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:13,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:13,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:13,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:13,283 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2020-12-22 06:54:13,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:13,314 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2020-12-22 06:54:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:13,315 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:13,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:13,327 INFO L225 Difference]: With dead ends: 119 [2020-12-22 06:54:13,327 INFO L226 Difference]: Without dead ends: 59 [2020-12-22 06:54:13,331 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 06:54:13,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-12-22 06:54:13,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-12-22 06:54:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-22 06:54:13,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-12-22 06:54:13,377 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2020-12-22 06:54:13,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:13,377 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-12-22 06:54:13,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-12-22 06:54:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:13,379 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:13,379 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 06:54:13,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:13,380 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:13,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:13,381 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2020-12-22 06:54:13,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:13,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673241716] [2020-12-22 06:54:13,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:13,557 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 06:54:13,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673241716] [2020-12-22 06:54:13,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:13,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:13,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257041698] [2020-12-22 06:54:13,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:13,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:13,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:13,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:13,562 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2020-12-22 06:54:13,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:13,573 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-12-22 06:54:13,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:13,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:13,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:13,575 INFO L225 Difference]: With dead ends: 59 [2020-12-22 06:54:13,576 INFO L226 Difference]: Without dead ends: 31 [2020-12-22 06:54:13,577 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 06:54:13,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-22 06:54:13,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-22 06:54:13,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-22 06:54:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-12-22 06:54:13,583 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-12-22 06:54:13,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:13,584 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-12-22 06:54:13,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:13,584 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-12-22 06:54:13,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:13,585 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:13,585 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 06:54:13,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:13,586 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:13,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:13,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2020-12-22 06:54:13,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:13,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733481436] [2020-12-22 06:54:13,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:13,760 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 06:54:13,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733481436] [2020-12-22 06:54:13,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:13,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:13,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807220094] [2020-12-22 06:54:13,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:13,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:13,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:13,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:13,768 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-12-22 06:54:13,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:13,788 INFO L93 Difference]: Finished difference Result 79 states and 115 transitions. [2020-12-22 06:54:13,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:13,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:54:13,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:13,790 INFO L225 Difference]: With dead ends: 79 [2020-12-22 06:54:13,791 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:54:13,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 06:54:13,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:54:13,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2020-12-22 06:54:13,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:54:13,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-12-22 06:54:13,804 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2020-12-22 06:54:13,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:13,804 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-12-22 06:54:13,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:13,804 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-12-22 06:54:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:13,805 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:13,806 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 06:54:13,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:13,806 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:13,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:13,807 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2020-12-22 06:54:13,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:13,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224358103] [2020-12-22 06:54:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:13,879 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 06:54:13,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224358103] [2020-12-22 06:54:13,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:13,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:13,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179060486] [2020-12-22 06:54:13,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:13,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:13,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:13,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:13,883 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2020-12-22 06:54:13,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:13,971 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2020-12-22 06:54:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:13,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:54:13,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:13,974 INFO L225 Difference]: With dead ends: 219 [2020-12-22 06:54:13,974 INFO L226 Difference]: Without dead ends: 175 [2020-12-22 06:54:13,975 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 06:54:13,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-12-22 06:54:13,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2020-12-22 06:54:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-22 06:54:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2020-12-22 06:54:13,993 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2020-12-22 06:54:13,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:13,994 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2020-12-22 06:54:13,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2020-12-22 06:54:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:54:13,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:13,995 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 06:54:13,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:13,996 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:13,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:13,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2020-12-22 06:54:13,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:13,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834373433] [2020-12-22 06:54:13,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:14,065 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 06:54:14,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834373433] [2020-12-22 06:54:14,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:14,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:14,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817397901] [2020-12-22 06:54:14,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:14,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:14,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:14,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:14,068 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2020-12-22 06:54:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:14,131 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2020-12-22 06:54:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:14,131 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:54:14,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:14,132 INFO L225 Difference]: With dead ends: 271 [2020-12-22 06:54:14,132 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:14,134 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 06:54:14,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:14,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:14,135 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-22 06:54:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:14,136 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:14,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:14,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:14,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:14,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:14,329 INFO L189 CegarLoopUtils]: For program point L217(lines 217 230) no Hoare annotation was computed. [2020-12-22 06:54:14,330 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2020-12-22 06:54:14,330 INFO L185 CegarLoopUtils]: At program point L118(lines 113 121) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:14,330 INFO L185 CegarLoopUtils]: At program point L118-1(lines 113 121) the Hoare annotation is: false [2020-12-22 06:54:14,331 INFO L185 CegarLoopUtils]: At program point L118-2(lines 113 121) the Hoare annotation is: false [2020-12-22 06:54:14,331 INFO L189 CegarLoopUtils]: For program point L845(lines 845 862) no Hoare annotation was computed. [2020-12-22 06:54:14,331 INFO L185 CegarLoopUtils]: At program point L845-1(lines 1 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:14,331 INFO L189 CegarLoopUtils]: For program point L845-2(lines 845 862) no Hoare annotation was computed. [2020-12-22 06:54:14,331 INFO L185 CegarLoopUtils]: At program point L845-3(lines 1 874) the Hoare annotation is: false [2020-12-22 06:54:14,331 INFO L189 CegarLoopUtils]: For program point L845-4(lines 845 862) no Hoare annotation was computed. [2020-12-22 06:54:14,332 INFO L185 CegarLoopUtils]: At program point L845-5(lines 1 874) the Hoare annotation is: false [2020-12-22 06:54:14,332 INFO L185 CegarLoopUtils]: At program point L350(lines 1 874) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:14,332 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:14,332 INFO L189 CegarLoopUtils]: For program point L251(lines 251 255) no Hoare annotation was computed. [2020-12-22 06:54:14,332 INFO L189 CegarLoopUtils]: For program point L251-3(lines 251 255) no Hoare annotation was computed. [2020-12-22 06:54:14,332 INFO L189 CegarLoopUtils]: For program point L251-6(lines 251 255) no Hoare annotation was computed. [2020-12-22 06:54:14,333 INFO L185 CegarLoopUtils]: At program point L235(lines 186 236) the Hoare annotation is: false [2020-12-22 06:54:14,333 INFO L189 CegarLoopUtils]: For program point L188(lines 187 234) no Hoare annotation was computed. [2020-12-22 06:54:14,333 INFO L189 CegarLoopUtils]: For program point L849(lines 849 859) no Hoare annotation was computed. [2020-12-22 06:54:14,333 INFO L189 CegarLoopUtils]: For program point L849-2(lines 849 859) no Hoare annotation was computed. [2020-12-22 06:54:14,333 INFO L189 CegarLoopUtils]: For program point L849-4(lines 849 859) no Hoare annotation was computed. [2020-12-22 06:54:14,333 INFO L185 CegarLoopUtils]: At program point L288(lines 283 291) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:14,334 INFO L185 CegarLoopUtils]: At program point L288-1(lines 283 291) the Hoare annotation is: false [2020-12-22 06:54:14,334 INFO L185 CegarLoopUtils]: At program point L288-2(lines 283 291) the Hoare annotation is: false [2020-12-22 06:54:14,334 INFO L189 CegarLoopUtils]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-12-22 06:54:14,334 INFO L189 CegarLoopUtils]: For program point L850(lines 850 856) no Hoare annotation was computed. [2020-12-22 06:54:14,334 INFO L189 CegarLoopUtils]: For program point L850-2(lines 850 856) no Hoare annotation was computed. [2020-12-22 06:54:14,334 INFO L189 CegarLoopUtils]: For program point L850-4(lines 850 856) no Hoare annotation was computed. [2020-12-22 06:54:14,335 INFO L185 CegarLoopUtils]: At program point L834(lines 829 836) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:14,335 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:14,335 INFO L189 CegarLoopUtils]: For program point L223(lines 223 229) no Hoare annotation was computed. [2020-12-22 06:54:14,335 INFO L185 CegarLoopUtils]: At program point L223-1(lines 59 65) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:14,335 INFO L189 CegarLoopUtils]: For program point L207(lines 207 213) no Hoare annotation was computed. [2020-12-22 06:54:14,335 INFO L185 CegarLoopUtils]: At program point L207-1(lines 207 213) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:14,336 INFO L185 CegarLoopUtils]: At program point L422(lines 418 424) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:14,336 INFO L185 CegarLoopUtils]: At program point L59(lines 58 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:14,336 INFO L189 CegarLoopUtils]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2020-12-22 06:54:14,336 INFO L185 CegarLoopUtils]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2020-12-22 06:54:14,336 INFO L185 CegarLoopUtils]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2020-12-22 06:54:14,337 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2020-12-22 06:54:14,337 INFO L192 CegarLoopUtils]: At program point L456(lines 437 459) the Hoare annotation is: true [2020-12-22 06:54:14,337 INFO L185 CegarLoopUtils]: At program point L374-2(lines 374 388) the Hoare annotation is: false [2020-12-22 06:54:14,337 INFO L189 CegarLoopUtils]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-12-22 06:54:14,337 INFO L185 CegarLoopUtils]: At program point L358(lines 353 361) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:14,337 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:14,338 INFO L189 CegarLoopUtils]: For program point L375(line 375) no Hoare annotation was computed. [2020-12-22 06:54:14,338 INFO L189 CegarLoopUtils]: For program point L871(line 871) no Hoare annotation was computed. [2020-12-22 06:54:14,338 INFO L189 CegarLoopUtils]: For program point L871-1(line 871) no Hoare annotation was computed. [2020-12-22 06:54:14,338 INFO L189 CegarLoopUtils]: For program point L871-2(line 871) no Hoare annotation was computed. [2020-12-22 06:54:14,338 INFO L189 CegarLoopUtils]: For program point L162(lines 162 168) no Hoare annotation was computed. [2020-12-22 06:54:14,339 INFO L185 CegarLoopUtils]: At program point L162-1(lines 162 168) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:14,339 INFO L189 CegarLoopUtils]: For program point L378(lines 378 382) no Hoare annotation was computed. [2020-12-22 06:54:14,339 INFO L189 CegarLoopUtils]: For program point L378-1(lines 59 65) no Hoare annotation was computed. [2020-12-22 06:54:14,339 INFO L189 CegarLoopUtils]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-12-22 06:54:14,339 INFO L189 CegarLoopUtils]: For program point L197(lines 197 203) no Hoare annotation was computed. [2020-12-22 06:54:14,339 INFO L185 CegarLoopUtils]: At program point L197-1(lines 197 203) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:14,340 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:14,340 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2020-12-22 06:54:14,340 INFO L185 CegarLoopUtils]: At program point L66(lines 66 72) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:14,340 INFO L185 CegarLoopUtils]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2020-12-22 06:54:14,340 INFO L185 CegarLoopUtils]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2020-12-22 06:54:14,340 INFO L189 CegarLoopUtils]: For program point L447(lines 447 454) no Hoare annotation was computed. [2020-12-22 06:54:14,341 INFO L192 CegarLoopUtils]: At program point L447-1(lines 447 454) the Hoare annotation is: true [2020-12-22 06:54:14,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:14 BoogieIcfgContainer [2020-12-22 06:54:14,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:14,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:14,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:14,373 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:14,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:12" (3/4) ... [2020-12-22 06:54:14,379 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:14,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:14,428 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:14,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:14,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:14,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:14,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:14,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:14,463 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:54:14,519 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product03.cil.c-witness.graphml [2020-12-22 06:54:14,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:14,522 INFO L168 Benchmark]: Toolchain (without parser) took 3732.12 ms. Allocated memory was 153.1 MB in the beginning and 204.5 MB in the end (delta: 51.4 MB). Free memory was 127.2 MB in the beginning and 180.4 MB in the end (delta: -53.1 MB). Peak memory consumption was 83.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:14,523 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:14,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.14 ms. Allocated memory is still 153.1 MB. Free memory was 127.1 MB in the beginning and 107.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:14,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.12 ms. Allocated memory is still 153.1 MB. Free memory was 107.3 MB in the beginning and 104.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:14,525 INFO L168 Benchmark]: Boogie Preprocessor took 93.61 ms. Allocated memory is still 153.1 MB. Free memory was 136.1 MB in the beginning and 134.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:14,525 INFO L168 Benchmark]: RCFGBuilder took 1116.94 ms. Allocated memory is still 153.1 MB. Free memory was 134.0 MB in the beginning and 86.3 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:14,526 INFO L168 Benchmark]: TraceAbstraction took 1649.83 ms. Allocated memory is still 153.1 MB. Free memory was 85.8 MB in the beginning and 50.9 MB in the end (delta: 35.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:14,527 INFO L168 Benchmark]: Witness Printer took 147.25 ms. Allocated memory was 153.1 MB in the beginning and 204.5 MB in the end (delta: 51.4 MB). Free memory was 50.9 MB in the beginning and 180.4 MB in the end (delta: -129.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:14,530 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 153.1 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 590.14 ms. Allocated memory is still 153.1 MB. Free memory was 127.1 MB in the beginning and 107.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 98.12 ms. Allocated memory is still 153.1 MB. Free memory was 107.3 MB in the beginning and 104.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.61 ms. Allocated memory is still 153.1 MB. Free memory was 136.1 MB in the beginning and 134.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1116.94 ms. Allocated memory is still 153.1 MB. Free memory was 134.0 MB in the beginning and 86.3 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1649.83 ms. Allocated memory is still 153.1 MB. Free memory was 85.8 MB in the beginning and 50.9 MB in the end (delta: 35.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 8.0 GB. * Witness Printer took 147.25 ms. Allocated memory was 153.1 MB in the beginning and 204.5 MB in the end (delta: 51.4 MB). Free memory was 50.9 MB in the beginning and 180.4 MB in the end (delta: -129.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 871]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 871]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 871]: 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: 59]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 58]: 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: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 287 SDtfs, 256 SDslu, 298 SDs, 0 SdLazy, 44 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s 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, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 120 HoareAnnotationTreeSize, 27 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s 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, 4985 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...