/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_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:03,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:03,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:03,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:56:03,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:03,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:03,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:03,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:03,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:03,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:03,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:03,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:03,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:03,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:03,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:03,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:03,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:03,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:03,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:03,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:03,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:03,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:03,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:03,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:03,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:03,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:03,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:03,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:03,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:03,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:03,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:03,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:03,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:03,837 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:03,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:03,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:03,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:03,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:03,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:03,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:03,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:03,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:03,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:03,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:03,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:03,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:03,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:03,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:03,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:03,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:03,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:03,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:03,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:03,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:03,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:04,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:04,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:04,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:04,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:04,351 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:04,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2020-12-22 06:56:04,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25f92b5dd/108f9529e9404140aa5adf4e570bbe4e/FLAGa00f26205 [2020-12-22 06:56:05,136 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:05,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2020-12-22 06:56:05,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25f92b5dd/108f9529e9404140aa5adf4e570bbe4e/FLAGa00f26205 [2020-12-22 06:56:05,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25f92b5dd/108f9529e9404140aa5adf4e570bbe4e [2020-12-22 06:56:05,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:05,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:05,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:05,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:05,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:05,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0be25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05, skipping insertion in model container [2020-12-22 06:56:05,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:05,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:05,669 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_product02.cil.c[1281,1294] [2020-12-22 06:56:05,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:05,803 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:05,819 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_product02.cil.c[1281,1294] [2020-12-22 06:56:05,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:05,919 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:05,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05 WrapperNode [2020-12-22 06:56:05,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:05,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:05,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:05,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:05,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:05,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:05,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:05,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:05,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:06,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:06,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:06,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:06,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:06,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:06,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:06,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (1/1) ... [2020-12-22 06:56:06,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:06,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:06,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:06,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:06,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (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 06:56:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:06,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:07,070 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:07,071 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2020-12-22 06:56:07,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:07 BoogieIcfgContainer [2020-12-22 06:56:07,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:07,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:07,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:07,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:07,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:05" (1/3) ... [2020-12-22 06:56:07,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54412fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:07, skipping insertion in model container [2020-12-22 06:56:07,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:05" (2/3) ... [2020-12-22 06:56:07,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54412fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:07, skipping insertion in model container [2020-12-22 06:56:07,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:07" (3/3) ... [2020-12-22 06:56:07,083 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2020-12-22 06:56:07,091 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:07,097 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:07,118 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:07,148 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:07,149 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:07,149 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:07,149 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:07,149 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:07,149 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:07,150 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:07,150 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-12-22 06:56:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:07,175 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:07,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:07,176 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:07,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:07,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2020-12-22 06:56:07,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:07,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597880942] [2020-12-22 06:56:07,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:07,486 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 06:56:07,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597880942] [2020-12-22 06:56:07,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:07,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:07,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743876371] [2020-12-22 06:56:07,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:07,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:07,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:07,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:07,514 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2020-12-22 06:56:07,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:07,542 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2020-12-22 06:56:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:07,544 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:07,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:07,555 INFO L225 Difference]: With dead ends: 108 [2020-12-22 06:56:07,555 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:56:07,559 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 06:56:07,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:56:07,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:56:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:56:07,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-12-22 06:56:07,606 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-12-22 06:56:07,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:07,607 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-12-22 06:56:07,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-12-22 06:56:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:07,608 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:07,608 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 06:56:07,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:07,609 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:07,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:07,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2020-12-22 06:56:07,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:07,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521768557] [2020-12-22 06:56:07,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:07,752 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 06:56:07,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521768557] [2020-12-22 06:56:07,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:07,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:07,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722838793] [2020-12-22 06:56:07,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:07,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:07,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:07,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:07,759 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-12-22 06:56:07,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:07,783 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-12-22 06:56:07,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:07,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:07,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:07,785 INFO L225 Difference]: With dead ends: 53 [2020-12-22 06:56:07,786 INFO L226 Difference]: Without dead ends: 27 [2020-12-22 06:56:07,787 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 06:56:07,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-22 06:56:07,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-22 06:56:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-22 06:56:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-12-22 06:56:07,800 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-12-22 06:56:07,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:07,800 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-12-22 06:56:07,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-12-22 06:56:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:07,804 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:07,804 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 06:56:07,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:07,805 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:07,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:07,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2020-12-22 06:56:07,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:07,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111420141] [2020-12-22 06:56:07,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:08,050 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 06:56:08,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111420141] [2020-12-22 06:56:08,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:08,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:56:08,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374542481] [2020-12-22 06:56:08,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:56:08,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:08,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:56:08,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:08,056 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2020-12-22 06:56:08,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:08,517 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2020-12-22 06:56:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 06:56:08,518 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-12-22 06:56:08,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:08,521 INFO L225 Difference]: With dead ends: 142 [2020-12-22 06:56:08,521 INFO L226 Difference]: Without dead ends: 121 [2020-12-22 06:56:08,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:56:08,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-12-22 06:56:08,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2020-12-22 06:56:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-22 06:56:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-12-22 06:56:08,538 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2020-12-22 06:56:08,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:08,538 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-12-22 06:56:08,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:56:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-12-22 06:56:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:56:08,539 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:08,540 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 06:56:08,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:08,540 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:08,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:08,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2020-12-22 06:56:08,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:08,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921234110] [2020-12-22 06:56:08,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:08,623 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 06:56:08,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921234110] [2020-12-22 06:56:08,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:08,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:08,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877972743] [2020-12-22 06:56:08,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:08,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:08,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:08,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:08,626 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2020-12-22 06:56:08,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:08,639 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2020-12-22 06:56:08,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:08,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-12-22 06:56:08,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:08,641 INFO L225 Difference]: With dead ends: 95 [2020-12-22 06:56:08,642 INFO L226 Difference]: Without dead ends: 57 [2020-12-22 06:56:08,642 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 06:56:08,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-22 06:56:08,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-22 06:56:08,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-22 06:56:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2020-12-22 06:56:08,654 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2020-12-22 06:56:08,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:08,654 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2020-12-22 06:56:08,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:08,654 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-12-22 06:56:08,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:56:08,655 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:08,656 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:08,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:08,656 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:08,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:08,657 INFO L82 PathProgramCache]: Analyzing trace with hash -829366222, now seen corresponding path program 1 times [2020-12-22 06:56:08,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:08,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657729329] [2020-12-22 06:56:08,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:08,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657729329] [2020-12-22 06:56:08,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306638649] [2020-12-22 06:56:08,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:09,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:56:09,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:09,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:56:09,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-12-22 06:56:09,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282542723] [2020-12-22 06:56:09,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:09,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:09,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:09,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:09,302 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 4 states. [2020-12-22 06:56:09,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:09,519 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2020-12-22 06:56:09,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:09,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-22 06:56:09,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:09,520 INFO L225 Difference]: With dead ends: 73 [2020-12-22 06:56:09,520 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:09,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:09,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:09,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:09,522 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-12-22 06:56:09,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:09,523 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:09,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:09,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:09,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:09,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:10,369 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:10,369 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:10,370 INFO L192 CegarLoopUtils]: At program point L848(lines 829 851) the Hoare annotation is: true [2020-12-22 06:56:10,370 INFO L189 CegarLoopUtils]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-12-22 06:56:10,370 INFO L189 CegarLoopUtils]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-12-22 06:56:10,371 INFO L185 CegarLoopUtils]: At program point L237-1(lines 237 243) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-12-22 06:56:10,372 INFO L185 CegarLoopUtils]: At program point L816(lines 812 818) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:10,372 INFO L185 CegarLoopUtils]: At program point L106(lines 105 124) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-12-22 06:56:10,372 INFO L189 CegarLoopUtils]: For program point L106-1(lines 106 112) no Hoare annotation was computed. [2020-12-22 06:56:10,373 INFO L185 CegarLoopUtils]: At program point L106-2(lines 105 124) the Hoare annotation is: false [2020-12-22 06:56:10,373 INFO L185 CegarLoopUtils]: At program point L106-3(lines 105 124) the Hoare annotation is: false [2020-12-22 06:56:10,373 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:10,373 INFO L185 CegarLoopUtils]: At program point L768-2(lines 768 782) the Hoare annotation is: false [2020-12-22 06:56:10,373 INFO L189 CegarLoopUtils]: For program point L257(lines 257 270) no Hoare annotation was computed. [2020-12-22 06:56:10,373 INFO L189 CegarLoopUtils]: For program point L769(line 769) no Hoare annotation was computed. [2020-12-22 06:56:10,374 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:10,374 INFO L189 CegarLoopUtils]: For program point L373(lines 373 386) no Hoare annotation was computed. [2020-12-22 06:56:10,374 INFO L185 CegarLoopUtils]: At program point L373-1(lines 1 851) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0)) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-22 06:56:10,375 INFO L189 CegarLoopUtils]: For program point L373-2(lines 373 386) no Hoare annotation was computed. [2020-12-22 06:56:10,376 INFO L185 CegarLoopUtils]: At program point L373-3(lines 1 851) the Hoare annotation is: false [2020-12-22 06:56:10,376 INFO L189 CegarLoopUtils]: For program point L373-4(lines 373 386) no Hoare annotation was computed. [2020-12-22 06:56:10,376 INFO L185 CegarLoopUtils]: At program point L373-5(lines 1 851) the Hoare annotation is: false [2020-12-22 06:56:10,376 INFO L185 CegarLoopUtils]: At program point L76(lines 1 851) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-12-22 06:56:10,377 INFO L189 CegarLoopUtils]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:56:10,377 INFO L189 CegarLoopUtils]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:56:10,377 INFO L189 CegarLoopUtils]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:56:10,377 INFO L185 CegarLoopUtils]: At program point L275(lines 226 276) the Hoare annotation is: false [2020-12-22 06:56:10,377 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:10,377 INFO L189 CegarLoopUtils]: For program point L772(lines 772 776) no Hoare annotation was computed. [2020-12-22 06:56:10,377 INFO L189 CegarLoopUtils]: For program point L772-1(lines 106 112) no Hoare annotation was computed. [2020-12-22 06:56:10,378 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:56:10,378 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:56:10,379 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:56:10,383 INFO L185 CegarLoopUtils]: At program point L360(lines 355 363) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2020-12-22 06:56:10,383 INFO L189 CegarLoopUtils]: For program point L839(lines 839 846) no Hoare annotation was computed. [2020-12-22 06:56:10,384 INFO L185 CegarLoopUtils]: At program point L360-1(lines 355 363) the Hoare annotation is: false [2020-12-22 06:56:10,385 INFO L185 CegarLoopUtils]: At program point L360-2(lines 355 363) the Hoare annotation is: false [2020-12-22 06:56:10,385 INFO L192 CegarLoopUtils]: At program point L839-1(lines 839 846) the Hoare annotation is: true [2020-12-22 06:56:10,385 INFO L189 CegarLoopUtils]: For program point L228(lines 227 274) no Hoare annotation was computed. [2020-12-22 06:56:10,386 INFO L189 CegarLoopUtils]: For program point L377(lines 377 383) no Hoare annotation was computed. [2020-12-22 06:56:10,391 INFO L189 CegarLoopUtils]: For program point L377-2(lines 377 383) no Hoare annotation was computed. [2020-12-22 06:56:10,391 INFO L189 CegarLoopUtils]: For program point L377-4(lines 377 383) no Hoare annotation was computed. [2020-12-22 06:56:10,392 INFO L185 CegarLoopUtils]: At program point L113(lines 113 119) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-12-22 06:56:10,392 INFO L185 CegarLoopUtils]: At program point L113-1(lines 113 119) the Hoare annotation is: false [2020-12-22 06:56:10,392 INFO L185 CegarLoopUtils]: At program point L113-2(lines 113 119) the Hoare annotation is: false [2020-12-22 06:56:10,392 INFO L189 CegarLoopUtils]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-12-22 06:56:10,392 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:10,392 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:10,393 INFO L189 CegarLoopUtils]: For program point L247(lines 247 253) no Hoare annotation was computed. [2020-12-22 06:56:10,393 INFO L185 CegarLoopUtils]: At program point L247-1(lines 247 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-12-22 06:56:10,395 INFO L185 CegarLoopUtils]: At program point L165(lines 160 168) the Hoare annotation is: false [2020-12-22 06:56:10,395 INFO L185 CegarLoopUtils]: At program point L165-1(lines 160 168) the Hoare annotation is: false [2020-12-22 06:56:10,395 INFO L185 CegarLoopUtils]: At program point L165-2(lines 160 168) the Hoare annotation is: false [2020-12-22 06:56:10,395 INFO L189 CegarLoopUtils]: For program point L265(lines 265 269) no Hoare annotation was computed. [2020-12-22 06:56:10,396 INFO L185 CegarLoopUtils]: At program point L265-2(lines 106 112) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-12-22 06:56:10,396 INFO L189 CegarLoopUtils]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-12-22 06:56:10,396 INFO L185 CegarLoopUtils]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:10,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:10 BoogieIcfgContainer [2020-12-22 06:56:10,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:10,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:10,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:10,442 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:10,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:07" (3/4) ... [2020-12-22 06:56:10,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:10,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:10,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:10,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:10,475 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:10,475 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:10,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:10,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:10,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 [2020-12-22 06:56:10,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 [2020-12-22 06:56:10,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:10,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:56:10,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:56:10,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:56:10,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:56:10,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:56:10,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:56:10,593 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product02.cil.c-witness.graphml [2020-12-22 06:56:10,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:10,596 INFO L168 Benchmark]: Toolchain (without parser) took 5141.05 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 125.5 MB in the beginning and 79.8 MB in the end (delta: 45.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:10,597 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 122.9 MB in the end (delta: 97.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:10,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.74 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 105.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:10,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.35 ms. Allocated memory is still 151.0 MB. Free memory was 105.7 MB in the beginning and 103.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:10,598 INFO L168 Benchmark]: Boogie Preprocessor took 76.25 ms. Allocated memory is still 151.0 MB. Free memory was 103.1 MB in the beginning and 133.7 MB in the end (delta: -30.6 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:10,600 INFO L168 Benchmark]: RCFGBuilder took 1009.21 ms. Allocated memory is still 151.0 MB. Free memory was 133.7 MB in the beginning and 86.5 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:10,601 INFO L168 Benchmark]: TraceAbstraction took 3365.34 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 86.0 MB in the beginning and 85.1 MB in the end (delta: 863.2 kB). Peak memory consumption was 36.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:10,601 INFO L168 Benchmark]: Witness Printer took 153.09 ms. Allocated memory is still 186.6 MB. Free memory was 85.1 MB in the beginning and 79.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:10,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 122.9 MB in the end (delta: 97.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 463.74 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 105.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 65.35 ms. Allocated memory is still 151.0 MB. Free memory was 105.7 MB in the beginning and 103.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 76.25 ms. Allocated memory is still 151.0 MB. Free memory was 103.1 MB in the beginning and 133.7 MB in the end (delta: -30.6 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1009.21 ms. Allocated memory is still 151.0 MB. Free memory was 133.7 MB in the beginning and 86.5 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3365.34 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 86.0 MB in the beginning and 85.1 MB in the end (delta: 863.2 kB). Peak memory consumption was 36.5 MB. Max. memory is 8.0 GB. * Witness Printer took 153.09 ms. Allocated memory is still 186.6 MB. Free memory was 85.1 MB in the beginning and 79.8 MB in the end (delta: 5.3 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 293 SDslu, 280 SDs, 0 SdLazy, 84 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 41 NumberOfFragments, 250 HoareAnnotationTreeSize, 25 FomulaSimplifications, 288 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 9184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 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...