/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_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:16,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:16,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:16,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:16,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:16,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:16,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:16,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:16,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:16,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:16,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:16,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:16,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:16,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:16,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:16,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:16,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:16,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:16,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:16,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:16,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:16,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:16,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:16,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:16,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:16,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:16,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:16,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:16,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:16,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:16,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:16,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:16,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:16,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:16,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:16,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:16,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:16,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:16,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:16,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:16,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:16,660 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:16,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:16,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:16,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:16,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:16,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:16,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:16,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:16,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:16,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:16,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:16,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:16,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:16,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:16,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:16,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:16,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:16,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:16,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:16,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:16,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:16,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:17,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:17,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:17,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:17,058 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:17,059 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:17,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2020-12-22 06:56:17,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae1e4ab1/f4a587b174ec4b05bd30debcd8b2ec93/FLAGb9d945977 [2020-12-22 06:56:17,834 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:17,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2020-12-22 06:56:17,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae1e4ab1/f4a587b174ec4b05bd30debcd8b2ec93/FLAGb9d945977 [2020-12-22 06:56:18,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae1e4ab1/f4a587b174ec4b05bd30debcd8b2ec93 [2020-12-22 06:56:18,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:18,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:18,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:18,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:18,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:18,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:18,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d766f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18, skipping insertion in model container [2020-12-22 06:56:18,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:18,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:18,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:18,590 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_spec4_product13.cil.c[12170,12183] [2020-12-22 06:56:18,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:18,674 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:18,755 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_spec4_product13.cil.c[12170,12183] [2020-12-22 06:56:18,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:18,853 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:18,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18 WrapperNode [2020-12-22 06:56:18,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:18,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:18,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:18,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:18,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:18,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:18,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:18,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:18,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:18,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:18,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:18,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:19,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:19,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:19,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:19,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:19,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (1/1) ... [2020-12-22 06:56:19,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:19,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:19,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:19,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:19,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (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 06:56:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:20,204 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:20,204 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2020-12-22 06:56:20,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:20 BoogieIcfgContainer [2020-12-22 06:56:20,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:20,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:20,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:20,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:20,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:18" (1/3) ... [2020-12-22 06:56:20,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6934f3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:20, skipping insertion in model container [2020-12-22 06:56:20,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:18" (2/3) ... [2020-12-22 06:56:20,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6934f3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:20, skipping insertion in model container [2020-12-22 06:56:20,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:20" (3/3) ... [2020-12-22 06:56:20,216 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2020-12-22 06:56:20,223 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:20,228 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:20,247 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:20,275 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:20,275 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:20,275 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:20,275 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:20,275 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:20,276 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:20,276 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:20,276 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:20,292 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-12-22 06:56:20,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:20,298 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:20,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:20,300 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:20,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:20,306 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2020-12-22 06:56:20,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:20,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185070206] [2020-12-22 06:56:20,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:20,696 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 06:56:20,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185070206] [2020-12-22 06:56:20,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:20,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:20,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346420290] [2020-12-22 06:56:20,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:20,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:20,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:20,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:20,723 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-12-22 06:56:20,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:20,753 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2020-12-22 06:56:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:20,755 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:20,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:20,767 INFO L225 Difference]: With dead ends: 132 [2020-12-22 06:56:20,767 INFO L226 Difference]: Without dead ends: 65 [2020-12-22 06:56:20,771 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 06:56:20,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-22 06:56:20,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-12-22 06:56:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-22 06:56:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-12-22 06:56:20,819 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-12-22 06:56:20,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:20,819 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-12-22 06:56:20,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:20,820 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-12-22 06:56:20,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:20,821 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:20,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:20,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:20,822 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:20,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:20,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2020-12-22 06:56:20,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:20,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730399813] [2020-12-22 06:56:20,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:21,005 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 06:56:21,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730399813] [2020-12-22 06:56:21,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:21,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:21,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763568755] [2020-12-22 06:56:21,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:21,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:21,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:21,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:21,010 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-12-22 06:56:21,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:21,022 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-12-22 06:56:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:21,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:21,024 INFO L225 Difference]: With dead ends: 65 [2020-12-22 06:56:21,025 INFO L226 Difference]: Without dead ends: 31 [2020-12-22 06:56:21,026 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 06:56:21,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-22 06:56:21,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-22 06:56:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-22 06:56:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-12-22 06:56:21,032 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-12-22 06:56:21,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:21,032 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-12-22 06:56:21,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:21,033 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-12-22 06:56:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:21,034 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:21,034 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] [2020-12-22 06:56:21,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:21,034 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:21,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:21,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2020-12-22 06:56:21,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:21,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107598665] [2020-12-22 06:56:21,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:21,152 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 06:56:21,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107598665] [2020-12-22 06:56:21,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:21,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:21,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622908949] [2020-12-22 06:56:21,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:21,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:21,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:21,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:21,155 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-12-22 06:56:21,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:21,165 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-12-22 06:56:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:21,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:56:21,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:21,167 INFO L225 Difference]: With dead ends: 56 [2020-12-22 06:56:21,167 INFO L226 Difference]: Without dead ends: 31 [2020-12-22 06:56:21,168 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 06:56:21,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-22 06:56:21,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-22 06:56:21,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-22 06:56:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-12-22 06:56:21,174 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-12-22 06:56:21,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:21,175 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-12-22 06:56:21,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:21,175 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-12-22 06:56:21,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:56:21,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:21,176 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] [2020-12-22 06:56:21,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:21,177 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:21,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:21,178 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2020-12-22 06:56:21,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:21,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746083370] [2020-12-22 06:56:21,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:21,359 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 06:56:21,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746083370] [2020-12-22 06:56:21,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:21,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:21,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832727511] [2020-12-22 06:56:21,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:21,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:21,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:21,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:21,368 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-12-22 06:56:21,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:21,510 INFO L93 Difference]: Finished difference Result 110 states and 161 transitions. [2020-12-22 06:56:21,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:21,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-22 06:56:21,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:21,513 INFO L225 Difference]: With dead ends: 110 [2020-12-22 06:56:21,513 INFO L226 Difference]: Without dead ends: 85 [2020-12-22 06:56:21,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:21,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-12-22 06:56:21,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 52. [2020-12-22 06:56:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-12-22 06:56:21,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-12-22 06:56:21,526 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 23 [2020-12-22 06:56:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:21,526 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-12-22 06:56:21,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:21,526 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-12-22 06:56:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:56:21,527 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:21,528 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 06:56:21,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:21,528 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:21,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:21,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1803921405, now seen corresponding path program 1 times [2020-12-22 06:56:21,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:21,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908226416] [2020-12-22 06:56:21,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:21,613 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 06:56:21,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908226416] [2020-12-22 06:56:21,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:21,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:21,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686352073] [2020-12-22 06:56:21,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:21,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:21,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:21,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:21,618 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 5 states. [2020-12-22 06:56:21,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:21,732 INFO L93 Difference]: Finished difference Result 120 states and 173 transitions. [2020-12-22 06:56:21,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:21,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:56:21,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:21,733 INFO L225 Difference]: With dead ends: 120 [2020-12-22 06:56:21,733 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:21,734 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 06:56:21,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:21,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:21,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-22 06:56:21,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:21,736 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:21,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:21,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:21,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:21,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:21,994 INFO L189 CegarLoopUtils]: For program point L795(lines 794 839) no Hoare annotation was computed. [2020-12-22 06:56:21,994 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 498) no Hoare annotation was computed. [2020-12-22 06:56:21,994 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2020-12-22 06:56:21,995 INFO L189 CegarLoopUtils]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-12-22 06:56:21,995 INFO L189 CegarLoopUtils]: For program point L498-2(line 498) no Hoare annotation was computed. [2020-12-22 06:56:21,995 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:21,995 INFO L189 CegarLoopUtils]: For program point L796(lines 796 800) no Hoare annotation was computed. [2020-12-22 06:56:21,997 INFO L185 CegarLoopUtils]: At program point L879(lines 874 882) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:21,998 INFO L185 CegarLoopUtils]: At program point L648(lines 648 654) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:21,998 INFO L185 CegarLoopUtils]: At program point L648-1(lines 648 654) the Hoare annotation is: false [2020-12-22 06:56:21,998 INFO L185 CegarLoopUtils]: At program point L648-2(lines 648 654) the Hoare annotation is: false [2020-12-22 06:56:21,998 INFO L189 CegarLoopUtils]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-12-22 06:56:21,998 INFO L189 CegarLoopUtils]: For program point L516-2(lines 516 522) no Hoare annotation was computed. [2020-12-22 06:56:21,998 INFO L189 CegarLoopUtils]: For program point L516-4(lines 516 522) no Hoare annotation was computed. [2020-12-22 06:56:21,998 INFO L189 CegarLoopUtils]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-12-22 06:56:21,999 INFO L189 CegarLoopUtils]: For program point L830-2(lines 641 647) no Hoare annotation was computed. [2020-12-22 06:56:21,999 INFO L189 CegarLoopUtils]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-12-22 06:56:21,999 INFO L189 CegarLoopUtils]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-12-22 06:56:21,999 INFO L189 CegarLoopUtils]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-12-22 06:56:21,999 INFO L189 CegarLoopUtils]: For program point L814(lines 814 820) no Hoare annotation was computed. [2020-12-22 06:56:21,999 INFO L185 CegarLoopUtils]: At program point L814-1(lines 814 820) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:22,000 INFO L189 CegarLoopUtils]: For program point L618(lines 618 625) no Hoare annotation was computed. [2020-12-22 06:56:22,001 INFO L192 CegarLoopUtils]: At program point L618-1(lines 618 625) the Hoare annotation is: true [2020-12-22 06:56:22,002 INFO L185 CegarLoopUtils]: At program point L734(lines 727 737) the Hoare annotation is: false [2020-12-22 06:56:22,002 INFO L185 CegarLoopUtils]: At program point L734-1(lines 727 737) the Hoare annotation is: false [2020-12-22 06:56:22,002 INFO L185 CegarLoopUtils]: At program point L734-2(lines 727 737) the Hoare annotation is: false [2020-12-22 06:56:22,002 INFO L185 CegarLoopUtils]: At program point L123(lines 118 126) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:22,003 INFO L185 CegarLoopUtils]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2020-12-22 06:56:22,003 INFO L185 CegarLoopUtils]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2020-12-22 06:56:22,003 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:22,003 INFO L185 CegarLoopUtils]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-12-22 06:56:22,003 INFO L185 CegarLoopUtils]: At program point L91-1(lines 86 94) the Hoare annotation is: false [2020-12-22 06:56:22,004 INFO L185 CegarLoopUtils]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-12-22 06:56:22,004 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 498) no Hoare annotation was computed. [2020-12-22 06:56:22,004 INFO L189 CegarLoopUtils]: For program point L804(lines 804 810) no Hoare annotation was computed. [2020-12-22 06:56:22,004 INFO L185 CegarLoopUtils]: At program point L804-1(lines 804 810) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:22,004 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:22,005 INFO L189 CegarLoopUtils]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-12-22 06:56:22,005 INFO L185 CegarLoopUtils]: At program point L871(lines 1 882) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:22,005 INFO L189 CegarLoopUtils]: For program point L673(lines 673 690) no Hoare annotation was computed. [2020-12-22 06:56:22,006 INFO L189 CegarLoopUtils]: For program point L673-1(lines 673 690) no Hoare annotation was computed. [2020-12-22 06:56:22,006 INFO L189 CegarLoopUtils]: For program point L673-2(lines 673 690) no Hoare annotation was computed. [2020-12-22 06:56:22,011 INFO L185 CegarLoopUtils]: At program point L591(lines 587 593) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:22,012 INFO L185 CegarLoopUtils]: At program point L641(lines 640 659) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:22,012 INFO L189 CegarLoopUtils]: For program point L641-1(lines 641 647) no Hoare annotation was computed. [2020-12-22 06:56:22,013 INFO L185 CegarLoopUtils]: At program point L641-2(lines 640 659) the Hoare annotation is: false [2020-12-22 06:56:22,017 INFO L185 CegarLoopUtils]: At program point L641-3(lines 640 659) the Hoare annotation is: false [2020-12-22 06:56:22,017 INFO L185 CegarLoopUtils]: At program point L542-2(lines 542 556) the Hoare annotation is: false [2020-12-22 06:56:22,018 INFO L185 CegarLoopUtils]: At program point L840(lines 793 841) the Hoare annotation is: false [2020-12-22 06:56:22,018 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2020-12-22 06:56:22,020 INFO L189 CegarLoopUtils]: For program point L824(lines 824 835) no Hoare annotation was computed. [2020-12-22 06:56:22,020 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:22,021 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 498) no Hoare annotation was computed. [2020-12-22 06:56:22,021 INFO L192 CegarLoopUtils]: At program point L627(lines 608 630) the Hoare annotation is: true [2020-12-22 06:56:22,021 INFO L185 CegarLoopUtils]: At program point L743(lines 738 746) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:22,021 INFO L185 CegarLoopUtils]: At program point L743-1(lines 738 746) the Hoare annotation is: false [2020-12-22 06:56:22,021 INFO L189 CegarLoopUtils]: For program point L677(lines 677 685) no Hoare annotation was computed. [2020-12-22 06:56:22,021 INFO L185 CegarLoopUtils]: At program point L743-2(lines 738 746) the Hoare annotation is: false [2020-12-22 06:56:22,021 INFO L189 CegarLoopUtils]: For program point L677-1(lines 677 685) no Hoare annotation was computed. [2020-12-22 06:56:22,022 INFO L189 CegarLoopUtils]: For program point L677-2(lines 677 685) no Hoare annotation was computed. [2020-12-22 06:56:22,022 INFO L189 CegarLoopUtils]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-12-22 06:56:22,022 INFO L189 CegarLoopUtils]: For program point L512(lines 512 525) no Hoare annotation was computed. [2020-12-22 06:56:22,022 INFO L185 CegarLoopUtils]: At program point L512-1(lines 1 882) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:22,022 INFO L189 CegarLoopUtils]: For program point L512-2(lines 512 525) no Hoare annotation was computed. [2020-12-22 06:56:22,022 INFO L185 CegarLoopUtils]: At program point L512-3(lines 1 882) the Hoare annotation is: false [2020-12-22 06:56:22,022 INFO L189 CegarLoopUtils]: For program point L512-4(lines 512 525) no Hoare annotation was computed. [2020-12-22 06:56:22,023 INFO L185 CegarLoopUtils]: At program point L512-5(lines 1 882) the Hoare annotation is: false [2020-12-22 06:56:22,023 INFO L189 CegarLoopUtils]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-12-22 06:56:22,023 INFO L189 CegarLoopUtils]: For program point L546-1(lines 641 647) no Hoare annotation was computed. [2020-12-22 06:56:22,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:22 BoogieIcfgContainer [2020-12-22 06:56:22,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:22,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:22,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:22,066 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:22,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:20" (3/4) ... [2020-12-22 06:56:22,071 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:22,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:22,097 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:22,098 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:22,098 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:22,099 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:22,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:22,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:22,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:56:22,237 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product13.cil.c-witness.graphml [2020-12-22 06:56:22,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:22,239 INFO L168 Benchmark]: Toolchain (without parser) took 4091.01 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 124.2 MB in the beginning and 84.4 MB in the end (delta: 39.8 MB). Peak memory consumption was 70.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,240 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:22,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.97 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 104.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.77 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 101.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,242 INFO L168 Benchmark]: Boogie Preprocessor took 77.68 ms. Allocated memory is still 151.0 MB. Free memory was 101.1 MB in the beginning and 99.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,243 INFO L168 Benchmark]: RCFGBuilder took 1156.54 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 84.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,243 INFO L168 Benchmark]: TraceAbstraction took 1855.80 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 83.9 MB in the beginning and 90.2 MB in the end (delta: -6.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,244 INFO L168 Benchmark]: Witness Printer took 172.07 ms. Allocated memory is still 181.4 MB. Free memory was 90.2 MB in the beginning and 84.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 701.97 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 104.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 115.77 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 101.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 77.68 ms. Allocated memory is still 151.0 MB. Free memory was 101.1 MB in the beginning and 99.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1156.54 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 84.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1855.80 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 83.9 MB in the beginning and 90.2 MB in the end (delta: -6.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 8.0 GB. * Witness Printer took 172.07 ms. Allocated memory is still 181.4 MB. Free memory was 90.2 MB in the beginning and 84.4 MB in the end (delta: 5.8 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: 498]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 498]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 498]: 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: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 288 SDtfs, 251 SDslu, 202 SDs, 0 SdLazy, 49 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 56 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 515 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 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...