/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_spec3_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:55:35,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:55:35,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:35,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:55:35,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:55:35,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:55:35,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:55:35,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:55:35,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:55:35,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:55:35,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:55:35,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:55:36,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:55:36,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:55:36,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:55:36,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:55:36,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:55:36,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:55:36,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:55:36,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:55:36,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:55:36,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:55:36,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:55:36,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:55:36,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:55:36,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:55:36,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:55:36,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:55:36,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:55:36,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:55:36,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:55:36,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:55:36,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:55:36,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:36,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:36,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:36,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:36,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:36,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:36,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:36,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:36,094 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:36,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:36,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:36,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:36,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:36,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:36,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:36,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:36,098 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:36,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:36,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:36,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:36,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:36,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:36,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:36,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:36,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:36,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:36,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:36,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:36,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:36,102 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:36,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:36,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:36,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:36,560 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:36,561 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:36,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2020-12-22 06:55:36,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f9da806/3c0aae30cbeb46d4acacb662f25159af/FLAG977ccbfd0 [2020-12-22 06:55:37,394 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:37,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2020-12-22 06:55:37,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f9da806/3c0aae30cbeb46d4acacb662f25159af/FLAG977ccbfd0 [2020-12-22 06:55:37,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f9da806/3c0aae30cbeb46d4acacb662f25159af [2020-12-22 06:55:37,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:37,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:37,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:37,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:37,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:37,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:37" (1/1) ... [2020-12-22 06:55:37,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346b9b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:37, skipping insertion in model container [2020-12-22 06:55:37,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:37" (1/1) ... [2020-12-22 06:55:37,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:37,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:38,027 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_spec3_product38.cil.c[15098,15111] [2020-12-22 06:55:38,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:38,107 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:38,263 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_spec3_product38.cil.c[15098,15111] [2020-12-22 06:55:38,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:38,327 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:38,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38 WrapperNode [2020-12-22 06:55:38,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:38,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:38,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:38,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:38,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:38,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:38,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:38,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:38,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:38,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:38,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:38,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:38,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (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 06:55:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:38,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:39,698 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:39,699 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2020-12-22 06:55:39,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:39 BoogieIcfgContainer [2020-12-22 06:55:39,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:39,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:39,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:39,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:39,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:37" (1/3) ... [2020-12-22 06:55:39,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1252a02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:39, skipping insertion in model container [2020-12-22 06:55:39,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (2/3) ... [2020-12-22 06:55:39,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1252a02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:39, skipping insertion in model container [2020-12-22 06:55:39,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:39" (3/3) ... [2020-12-22 06:55:39,713 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2020-12-22 06:55:39,720 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:39,727 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:39,750 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:39,781 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:39,781 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:39,781 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:39,781 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:39,782 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:39,782 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:39,782 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:39,782 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-12-22 06:55:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:39,810 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:39,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:39,812 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:39,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:39,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1400987872, now seen corresponding path program 1 times [2020-12-22 06:55:39,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:39,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027002365] [2020-12-22 06:55:39,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,205 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 06:55:40,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027002365] [2020-12-22 06:55:40,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:40,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804672375] [2020-12-22 06:55:40,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:40,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:40,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:40,235 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2020-12-22 06:55:40,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,276 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2020-12-22 06:55:40,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:40,278 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:40,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,292 INFO L225 Difference]: With dead ends: 228 [2020-12-22 06:55:40,292 INFO L226 Difference]: Without dead ends: 113 [2020-12-22 06:55:40,297 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 06:55:40,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-12-22 06:55:40,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-12-22 06:55:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-12-22 06:55:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-12-22 06:55:40,384 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2020-12-22 06:55:40,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,385 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-12-22 06:55:40,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-12-22 06:55:40,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:40,387 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:40,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:40,388 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1982948671, now seen corresponding path program 1 times [2020-12-22 06:55:40,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123299043] [2020-12-22 06:55:40,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,493 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 06:55:40,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123299043] [2020-12-22 06:55:40,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:40,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076530890] [2020-12-22 06:55:40,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:40,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:40,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:40,498 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-12-22 06:55:40,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,524 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-12-22 06:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:40,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:40,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,527 INFO L225 Difference]: With dead ends: 113 [2020-12-22 06:55:40,528 INFO L226 Difference]: Without dead ends: 47 [2020-12-22 06:55:40,530 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 06:55:40,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-22 06:55:40,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-22 06:55:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-22 06:55:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-12-22 06:55:40,544 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2020-12-22 06:55:40,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,544 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-12-22 06:55:40,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-12-22 06:55:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:40,548 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,548 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 06:55:40,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:40,549 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,550 INFO L82 PathProgramCache]: Analyzing trace with hash 131818950, now seen corresponding path program 1 times [2020-12-22 06:55:40,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576354454] [2020-12-22 06:55:40,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,635 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 06:55:40,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576354454] [2020-12-22 06:55:40,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:40,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159925060] [2020-12-22 06:55:40,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:40,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:40,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:40,644 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2020-12-22 06:55:40,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,687 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-12-22 06:55:40,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:40,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:55:40,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,697 INFO L225 Difference]: With dead ends: 88 [2020-12-22 06:55:40,697 INFO L226 Difference]: Without dead ends: 47 [2020-12-22 06:55:40,698 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 06:55:40,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-22 06:55:40,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-22 06:55:40,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-22 06:55:40,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-12-22 06:55:40,705 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2020-12-22 06:55:40,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,705 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-12-22 06:55:40,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:40,706 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-12-22 06:55:40,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:40,707 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:40,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:40,708 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1351542097, now seen corresponding path program 1 times [2020-12-22 06:55:40,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761358453] [2020-12-22 06:55:40,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,793 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 06:55:40,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761358453] [2020-12-22 06:55:40,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:40,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025847353] [2020-12-22 06:55:40,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:40,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:40,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:40,798 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-12-22 06:55:40,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,871 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2020-12-22 06:55:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:40,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:55:40,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,875 INFO L225 Difference]: With dead ends: 111 [2020-12-22 06:55:40,875 INFO L226 Difference]: Without dead ends: 70 [2020-12-22 06:55:40,877 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 06:55:40,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-12-22 06:55:40,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2020-12-22 06:55:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-12-22 06:55:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2020-12-22 06:55:40,898 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2020-12-22 06:55:40,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,898 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-12-22 06:55:40,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-12-22 06:55:40,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:40,900 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:40,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:40,902 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,903 INFO L82 PathProgramCache]: Analyzing trace with hash 201355136, now seen corresponding path program 1 times [2020-12-22 06:55:40,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606761878] [2020-12-22 06:55:40,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,047 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 06:55:41,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606761878] [2020-12-22 06:55:41,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:41,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960924828] [2020-12-22 06:55:41,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:41,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:41,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:41,050 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2020-12-22 06:55:41,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,140 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2020-12-22 06:55:41,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:41,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:55:41,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,142 INFO L225 Difference]: With dead ends: 183 [2020-12-22 06:55:41,142 INFO L226 Difference]: Without dead ends: 121 [2020-12-22 06:55:41,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 06:55:41,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-12-22 06:55:41,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2020-12-22 06:55:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-22 06:55:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2020-12-22 06:55:41,153 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2020-12-22 06:55:41,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,153 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2020-12-22 06:55:41,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-12-22 06:55:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:41,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:41,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:41,156 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,156 INFO L82 PathProgramCache]: Analyzing trace with hash -926040957, now seen corresponding path program 1 times [2020-12-22 06:55:41,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511884018] [2020-12-22 06:55:41,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,251 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 06:55:41,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511884018] [2020-12-22 06:55:41,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:41,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515419640] [2020-12-22 06:55:41,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:41,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:41,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:41,254 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2020-12-22 06:55:41,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,390 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2020-12-22 06:55:41,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:41,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:55:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,393 INFO L225 Difference]: With dead ends: 373 [2020-12-22 06:55:41,394 INFO L226 Difference]: Without dead ends: 305 [2020-12-22 06:55:41,395 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 06:55:41,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-12-22 06:55:41,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2020-12-22 06:55:41,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-12-22 06:55:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2020-12-22 06:55:41,425 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2020-12-22 06:55:41,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,425 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2020-12-22 06:55:41,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2020-12-22 06:55:41,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:41,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:41,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:55:41,434 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1997087487, now seen corresponding path program 1 times [2020-12-22 06:55:41,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137917785] [2020-12-22 06:55:41,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,534 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 06:55:41,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137917785] [2020-12-22 06:55:41,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:41,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308540106] [2020-12-22 06:55:41,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:41,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:41,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:41,537 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 4 states. [2020-12-22 06:55:41,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,678 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2020-12-22 06:55:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:41,679 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:55:41,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,680 INFO L225 Difference]: With dead ends: 250 [2020-12-22 06:55:41,680 INFO L226 Difference]: Without dead ends: 182 [2020-12-22 06:55:41,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-12-22 06:55:41,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2020-12-22 06:55:41,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-22 06:55:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2020-12-22 06:55:41,696 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2020-12-22 06:55:41,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,697 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2020-12-22 06:55:41,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2020-12-22 06:55:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:41,698 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:41,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:55:41,699 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1286762559, now seen corresponding path program 1 times [2020-12-22 06:55:41,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649123559] [2020-12-22 06:55:41,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,756 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 06:55:41,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649123559] [2020-12-22 06:55:41,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:41,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985325036] [2020-12-22 06:55:41,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:41,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:41,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:41,758 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand 4 states. [2020-12-22 06:55:41,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,826 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2020-12-22 06:55:41,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:41,826 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:55:41,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,828 INFO L225 Difference]: With dead ends: 422 [2020-12-22 06:55:41,829 INFO L226 Difference]: Without dead ends: 295 [2020-12-22 06:55:41,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 06:55:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-12-22 06:55:41,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2020-12-22 06:55:41,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-12-22 06:55:41,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2020-12-22 06:55:41,846 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2020-12-22 06:55:41,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,846 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2020-12-22 06:55:41,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:41,847 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2020-12-22 06:55:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:41,847 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:41,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:55:41,848 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1622643206, now seen corresponding path program 1 times [2020-12-22 06:55:41,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074566362] [2020-12-22 06:55:41,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,918 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 06:55:41,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074566362] [2020-12-22 06:55:41,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:41,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023870619] [2020-12-22 06:55:41,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:41,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:41,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:41,921 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 6 states. [2020-12-22 06:55:42,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,185 INFO L93 Difference]: Finished difference Result 506 states and 698 transitions. [2020-12-22 06:55:42,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:55:42,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-12-22 06:55:42,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,188 INFO L225 Difference]: With dead ends: 506 [2020-12-22 06:55:42,188 INFO L226 Difference]: Without dead ends: 339 [2020-12-22 06:55:42,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:55:42,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-12-22 06:55:42,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 152. [2020-12-22 06:55:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-12-22 06:55:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2020-12-22 06:55:42,206 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2020-12-22 06:55:42,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,206 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2020-12-22 06:55:42,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2020-12-22 06:55:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:42,207 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:42,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:55:42,208 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1544927997, now seen corresponding path program 1 times [2020-12-22 06:55:42,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462657823] [2020-12-22 06:55:42,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,277 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 06:55:42,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462657823] [2020-12-22 06:55:42,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:42,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:42,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868466668] [2020-12-22 06:55:42,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:42,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:42,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:42,279 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand 6 states. [2020-12-22 06:55:42,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,401 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2020-12-22 06:55:42,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:42,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-12-22 06:55:42,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,403 INFO L225 Difference]: With dead ends: 385 [2020-12-22 06:55:42,404 INFO L226 Difference]: Without dead ends: 239 [2020-12-22 06:55:42,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:42,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-12-22 06:55:42,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2020-12-22 06:55:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-22 06:55:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2020-12-22 06:55:42,420 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2020-12-22 06:55:42,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,420 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2020-12-22 06:55:42,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:42,421 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2020-12-22 06:55:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-22 06:55:42,421 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,422 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:42,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:55:42,422 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1506342504, now seen corresponding path program 1 times [2020-12-22 06:55:42,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354227626] [2020-12-22 06:55:42,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:55:42,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354227626] [2020-12-22 06:55:42,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:42,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:42,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417712876] [2020-12-22 06:55:42,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:42,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:42,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:42,483 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand 5 states. [2020-12-22 06:55:42,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,552 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2020-12-22 06:55:42,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:42,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-22 06:55:42,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,554 INFO L225 Difference]: With dead ends: 281 [2020-12-22 06:55:42,555 INFO L226 Difference]: Without dead ends: 173 [2020-12-22 06:55:42,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 06:55:42,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-12-22 06:55:42,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2020-12-22 06:55:42,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-22 06:55:42,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2020-12-22 06:55:42,578 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2020-12-22 06:55:42,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,579 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2020-12-22 06:55:42,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:42,579 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2020-12-22 06:55:42,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:55:42,579 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,580 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:42,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:55:42,580 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1478931236, now seen corresponding path program 1 times [2020-12-22 06:55:42,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746773882] [2020-12-22 06:55:42,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,681 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 06:55:42,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746773882] [2020-12-22 06:55:42,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:42,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:42,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088691323] [2020-12-22 06:55:42,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:42,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:42,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:42,689 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand 5 states. [2020-12-22 06:55:42,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,823 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2020-12-22 06:55:42,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:42,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-22 06:55:42,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,828 INFO L225 Difference]: With dead ends: 633 [2020-12-22 06:55:42,828 INFO L226 Difference]: Without dead ends: 515 [2020-12-22 06:55:42,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:42,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-12-22 06:55:42,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2020-12-22 06:55:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-12-22 06:55:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2020-12-22 06:55:42,859 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2020-12-22 06:55:42,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,860 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2020-12-22 06:55:42,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2020-12-22 06:55:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:55:42,861 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,861 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:42,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:55:42,861 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1296612962, now seen corresponding path program 1 times [2020-12-22 06:55:42,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596570388] [2020-12-22 06:55:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 06:55:42,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596570388] [2020-12-22 06:55:42,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337435531] [2020-12-22 06:55:42,971 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 06:55:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:43,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:55:43,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:55:43,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:55:43,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-12-22 06:55:43,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901031446] [2020-12-22 06:55:43,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 06:55:43,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:43,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 06:55:43,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:55:43,379 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand 10 states. [2020-12-22 06:55:43,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:43,804 INFO L93 Difference]: Finished difference Result 727 states and 913 transitions. [2020-12-22 06:55:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:55:43,805 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-12-22 06:55:43,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:43,808 INFO L225 Difference]: With dead ends: 727 [2020-12-22 06:55:43,808 INFO L226 Difference]: Without dead ends: 493 [2020-12-22 06:55:43,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:55:43,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-12-22 06:55:43,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 226. [2020-12-22 06:55:43,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-22 06:55:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2020-12-22 06:55:43,847 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2020-12-22 06:55:43,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:43,848 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2020-12-22 06:55:43,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 06:55:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2020-12-22 06:55:43,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:55:43,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:43,850 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:44,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-22 06:55:44,064 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:44,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:44,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1589885263, now seen corresponding path program 1 times [2020-12-22 06:55:44,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:44,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353862142] [2020-12-22 06:55:44,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:55:44,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353862142] [2020-12-22 06:55:44,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:44,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:44,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891157362] [2020-12-22 06:55:44,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:44,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:44,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:44,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:44,196 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand 6 states. [2020-12-22 06:55:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:44,395 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2020-12-22 06:55:44,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:55:44,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-12-22 06:55:44,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:44,398 INFO L225 Difference]: With dead ends: 547 [2020-12-22 06:55:44,398 INFO L226 Difference]: Without dead ends: 377 [2020-12-22 06:55:44,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:55:44,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-12-22 06:55:44,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 226. [2020-12-22 06:55:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-22 06:55:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 276 transitions. [2020-12-22 06:55:44,431 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 276 transitions. Word has length 53 [2020-12-22 06:55:44,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:44,431 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 276 transitions. [2020-12-22 06:55:44,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 276 transitions. [2020-12-22 06:55:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-22 06:55:44,432 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:44,432 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:44,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 06:55:44,433 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:44,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:44,433 INFO L82 PathProgramCache]: Analyzing trace with hash -929354426, now seen corresponding path program 1 times [2020-12-22 06:55:44,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:44,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776776107] [2020-12-22 06:55:44,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-22 06:55:44,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776776107] [2020-12-22 06:55:44,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:44,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:44,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772267169] [2020-12-22 06:55:44,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:44,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:44,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:44,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:44,516 INFO L87 Difference]: Start difference. First operand 226 states and 276 transitions. Second operand 5 states. [2020-12-22 06:55:44,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:44,714 INFO L93 Difference]: Finished difference Result 863 states and 1072 transitions. [2020-12-22 06:55:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:44,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-12-22 06:55:44,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:44,715 INFO L225 Difference]: With dead ends: 863 [2020-12-22 06:55:44,715 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:55:44,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 06:55:44,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:55:44,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:55:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:55:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:55:44,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-12-22 06:55:44,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:44,721 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:55:44,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:55:44,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:55:44,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 06:55:44,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:55:45,372 WARN L197 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 165 [2020-12-22 06:55:45,739 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 120 [2020-12-22 06:55:46,473 WARN L197 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 208 [2020-12-22 06:55:47,075 WARN L197 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 175 [2020-12-22 06:55:47,192 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 116 [2020-12-22 06:55:47,787 WARN L197 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 213 [2020-12-22 06:55:48,029 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 148 [2020-12-22 06:55:48,134 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 99 [2020-12-22 06:55:49,564 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 159 DAG size of output: 48 [2020-12-22 06:55:50,260 WARN L197 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 37 [2020-12-22 06:55:52,061 WARN L197 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 201 DAG size of output: 40 [2020-12-22 06:55:53,529 WARN L197 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-12-22 06:55:54,494 WARN L197 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 56 [2020-12-22 06:55:54,716 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-22 06:55:56,952 WARN L197 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 206 DAG size of output: 40 [2020-12-22 06:55:57,217 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2020-12-22 06:55:58,437 WARN L197 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2020-12-22 06:55:59,013 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 27 [2020-12-22 06:55:59,240 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2020-12-22 06:55:59,858 WARN L197 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 46 [2020-12-22 06:55:59,867 INFO L185 CegarLoopUtils]: At program point L894(lines 889 897) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (not .cse9)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse7 .cse8) (and .cse0 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2 .cse3 .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse8) (and (<= ~waterLevel~0 1) .cse2 .cse4 .cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse6 .cse9 .cse7)))) [2020-12-22 06:55:59,868 INFO L185 CegarLoopUtils]: At program point L894-1(lines 889 897) the Hoare annotation is: false [2020-12-22 06:55:59,868 INFO L185 CegarLoopUtils]: At program point L894-2(lines 889 897) the Hoare annotation is: false [2020-12-22 06:55:59,868 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 717) no Hoare annotation was computed. [2020-12-22 06:55:59,868 INFO L185 CegarLoopUtils]: At program point L168(lines 167 186) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse0 .cse3 .cse7) (and .cse4 .cse5 .cse0 .cse1 .cse3 .cse7) (and .cse6 .cse0 .cse2 .cse3))) [2020-12-22 06:55:59,868 INFO L189 CegarLoopUtils]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-12-22 06:55:59,868 INFO L185 CegarLoopUtils]: At program point L168-2(lines 167 186) the Hoare annotation is: false [2020-12-22 06:55:59,868 INFO L185 CegarLoopUtils]: At program point L168-3(lines 167 186) the Hoare annotation is: false [2020-12-22 06:55:59,868 INFO L189 CegarLoopUtils]: For program point L928(lines 928 941) no Hoare annotation was computed. [2020-12-22 06:55:59,869 INFO L185 CegarLoopUtils]: At program point L928-1(lines 1 945) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0))) (let ((.cse6 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse15 (<= 2 ~waterLevel~0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse10 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse16 (not .cse4)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse11 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 1) (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1) .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse7 .cse4 .cse5 .cse8) (and .cse9 .cse10 .cse6 .cse1 .cse7 .cse11 .cse5 .cse8 .cse12) (and .cse9 .cse13 .cse10 .cse6 .cse14 .cse1 .cse7 .cse15 .cse5 .cse8 .cse12) (and .cse9 .cse13 .cse10 .cse14 .cse0 .cse16 .cse1 .cse2 .cse15 .cse3 .cse5 .cse12) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse4 .cse5) (and .cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse10 .cse0 .cse16 .cse2 .cse1 .cse3 .cse11 .cse5 .cse12)))) [2020-12-22 06:55:59,869 INFO L185 CegarLoopUtils]: At program point L862(lines 857 865) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5))) [2020-12-22 06:55:59,869 INFO L189 CegarLoopUtils]: For program point L928-2(lines 928 941) no Hoare annotation was computed. [2020-12-22 06:55:59,869 INFO L185 CegarLoopUtils]: At program point L862-1(lines 857 865) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 0))) (let ((.cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse10 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (not .cse14)) (.cse13 (<= 2 ~waterLevel~0)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse4 .cse6 .cse10 .cse7 .cse8) (and .cse0 .cse11 .cse1 .cse9 .cse12 .cse4 .cse13 .cse7 .cse10 .cse8) (and .cse9 .cse4 .cse14 .cse7 .cse10) (and .cse0 .cse11 .cse1 .cse12 .cse2 .cse3 .cse4 .cse13 .cse5 .cse7 .cse8) (and (<= ~waterLevel~0 1) .cse4 .cse3 .cse5 .cse14 .cse7)))) [2020-12-22 06:55:59,870 INFO L185 CegarLoopUtils]: At program point L928-3(lines 1 945) the Hoare annotation is: false [2020-12-22 06:55:59,870 INFO L185 CegarLoopUtils]: At program point L862-2(lines 857 865) the Hoare annotation is: false [2020-12-22 06:55:59,870 INFO L189 CegarLoopUtils]: For program point L928-4(lines 928 941) no Hoare annotation was computed. [2020-12-22 06:55:59,870 INFO L185 CegarLoopUtils]: At program point L862-3(lines 857 865) the Hoare annotation is: false [2020-12-22 06:55:59,870 INFO L185 CegarLoopUtils]: At program point L928-5(lines 1 945) the Hoare annotation is: false [2020-12-22 06:55:59,871 INFO L185 CegarLoopUtils]: At program point L862-4(lines 857 865) the Hoare annotation is: false [2020-12-22 06:55:59,871 INFO L185 CegarLoopUtils]: At program point L862-5(lines 857 865) the Hoare annotation is: false [2020-12-22 06:55:59,871 INFO L185 CegarLoopUtils]: At program point L334(lines 319 337) the Hoare annotation is: false [2020-12-22 06:55:59,871 INFO L185 CegarLoopUtils]: At program point L334-1(lines 319 337) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (let ((.cse1 (not .cse13)) (.cse5 (<= 2 ~waterLevel~0)) (.cse8 (not .cse12)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse10 (not .cse2)) (.cse11 (<= ~waterLevel~0 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse14 (not .cse0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse12 .cse3 .cse4 .cse13 .cse6 .cse14 .cse7) (and .cse10 .cse11 .cse9 .cse12 .cse3 .cse13 .cse6 .cse14 .cse7)))) [2020-12-22 06:55:59,871 INFO L185 CegarLoopUtils]: At program point L334-2(lines 319 337) the Hoare annotation is: false [2020-12-22 06:55:59,872 INFO L185 CegarLoopUtils]: At program point L334-3(lines 319 337) the Hoare annotation is: false [2020-12-22 06:55:59,872 INFO L185 CegarLoopUtils]: At program point L334-4(lines 319 337) the Hoare annotation is: false [2020-12-22 06:55:59,872 INFO L185 CegarLoopUtils]: At program point L334-5(lines 319 337) the Hoare annotation is: false [2020-12-22 06:55:59,872 INFO L185 CegarLoopUtils]: At program point L270(lines 263 273) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5))) [2020-12-22 06:55:59,872 INFO L185 CegarLoopUtils]: At program point L270-1(lines 263 273) the Hoare annotation is: false [2020-12-22 06:55:59,872 INFO L189 CegarLoopUtils]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:55:59,872 INFO L185 CegarLoopUtils]: At program point L270-2(lines 263 273) the Hoare annotation is: false [2020-12-22 06:55:59,872 INFO L189 CegarLoopUtils]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:55:59,873 INFO L189 CegarLoopUtils]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:55:59,873 INFO L189 CegarLoopUtils]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-12-22 06:55:59,873 INFO L189 CegarLoopUtils]: For program point L204-3(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:55:59,873 INFO L185 CegarLoopUtils]: At program point L105-1(lines 105 111) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0))) (let ((.cse7 (<= 2 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse15 (= ~waterLevel~0 1)) (.cse14 (not .cse3)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (let ((.cse10 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse16 (or (and .cse8 .cse14 .cse1 .cse7 .cse4) (and .cse8 .cse15 .cse14 .cse1 .cse4))) (.cse9 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse3 .cse4) (and .cse8 .cse9 .cse0 .cse1 .cse2 .cse10 .cse4 .cse5 .cse11) (and .cse12 .cse1 .cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 1) (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1) .cse13 .cse3 .cse4) (and .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse12 .cse14 .cse1 .cse6 .cse13 .cse10 .cse4 .cse11) (and .cse15 .cse1 .cse6 .cse3 .cse4) (and .cse16 .cse9 .cse0 .cse2 .cse5 .cse11) (and .cse16 .cse9 .cse12 .cse6 .cse13 .cse11))))) [2020-12-22 06:55:59,873 INFO L189 CegarLoopUtils]: For program point L204-4(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:55:59,873 INFO L189 CegarLoopUtils]: For program point L204-5(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:55:59,873 INFO L185 CegarLoopUtils]: At program point L733-2(lines 733 747) the Hoare annotation is: false [2020-12-22 06:55:59,874 INFO L189 CegarLoopUtils]: For program point L932(lines 932 938) no Hoare annotation was computed. [2020-12-22 06:55:59,874 INFO L189 CegarLoopUtils]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2020-12-22 06:55:59,874 INFO L189 CegarLoopUtils]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2020-12-22 06:55:59,874 INFO L189 CegarLoopUtils]: For program point L734(line 734) no Hoare annotation was computed. [2020-12-22 06:55:59,874 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:59,874 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 717) no Hoare annotation was computed. [2020-12-22 06:55:59,875 INFO L185 CegarLoopUtils]: At program point L175(lines 175 181) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 0))) (let ((.cse5 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse2 (not .cse12)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse4 (= 1 ~systemActive~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse7) (and .cse0 .cse9 .cse1 .cse10 .cse2 .cse3 .cse4 .cse11 .cse6 .cse7) (and .cse8 .cse4 .cse12 .cse6) (and (<= ~waterLevel~0 1) .cse3 .cse4 .cse12 .cse6) (and .cse0 .cse9 .cse1 .cse8 .cse10 .cse4 .cse11 .cse6 .cse7)))) [2020-12-22 06:55:59,875 INFO L185 CegarLoopUtils]: At program point L175-1(lines 175 181) the Hoare annotation is: false [2020-12-22 06:55:59,875 INFO L185 CegarLoopUtils]: At program point L175-2(lines 175 181) the Hoare annotation is: false [2020-12-22 06:55:59,875 INFO L189 CegarLoopUtils]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-12-22 06:55:59,875 INFO L189 CegarLoopUtils]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2020-12-22 06:55:59,875 INFO L189 CegarLoopUtils]: For program point L902-2(lines 902 908) no Hoare annotation was computed. [2020-12-22 06:55:59,875 INFO L189 CegarLoopUtils]: For program point L902-3(lines 902 908) no Hoare annotation was computed. [2020-12-22 06:55:59,875 INFO L189 CegarLoopUtils]: For program point L902-4(lines 902 908) no Hoare annotation was computed. [2020-12-22 06:55:59,875 INFO L189 CegarLoopUtils]: For program point L737(lines 737 741) no Hoare annotation was computed. [2020-12-22 06:55:59,876 INFO L189 CegarLoopUtils]: For program point L902-5(lines 902 908) no Hoare annotation was computed. [2020-12-22 06:55:59,876 INFO L189 CegarLoopUtils]: For program point L737-1(lines 168 174) no Hoare annotation was computed. [2020-12-22 06:55:59,876 INFO L185 CegarLoopUtils]: At program point L143(lines 94 144) the Hoare annotation is: false [2020-12-22 06:55:59,876 INFO L189 CegarLoopUtils]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:55:59,876 INFO L189 CegarLoopUtils]: For program point L804(lines 804 811) no Hoare annotation was computed. [2020-12-22 06:55:59,876 INFO L192 CegarLoopUtils]: At program point L804-1(lines 804 811) the Hoare annotation is: true [2020-12-22 06:55:59,876 INFO L185 CegarLoopUtils]: At program point L279(lines 274 282) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse4 (= 1 ~systemActive~0)) (.cse6 (not (= |ULTIMATE.start_isPumpRunning_#res| 0))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse8 .cse9) (and .cse0 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) .cse1 .cse4 .cse6 (<= 2 ~waterLevel~0) .cse7 .cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2 .cse3 .cse5 .cse9))) [2020-12-22 06:55:59,876 INFO L185 CegarLoopUtils]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2020-12-22 06:55:59,877 INFO L185 CegarLoopUtils]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2020-12-22 06:55:59,877 INFO L185 CegarLoopUtils]: At program point L907(lines 898 911) the Hoare annotation is: false [2020-12-22 06:55:59,877 INFO L185 CegarLoopUtils]: At program point L907-1(lines 898 911) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (not .cse6)) (.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse8 .cse4 .cse5) (and .cse2 .cse6 .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2020-12-22 06:55:59,877 INFO L185 CegarLoopUtils]: At program point L907-2(lines 898 911) the Hoare annotation is: false [2020-12-22 06:55:59,877 INFO L185 CegarLoopUtils]: At program point L907-3(lines 898 911) the Hoare annotation is: false [2020-12-22 06:55:59,877 INFO L185 CegarLoopUtils]: At program point L907-4(lines 898 911) the Hoare annotation is: false [2020-12-22 06:55:59,877 INFO L185 CegarLoopUtils]: At program point L907-5(lines 898 911) the Hoare annotation is: false [2020-12-22 06:55:59,878 INFO L189 CegarLoopUtils]: For program point L115(lines 115 121) no Hoare annotation was computed. [2020-12-22 06:55:59,878 INFO L185 CegarLoopUtils]: At program point L115-1(lines 115 121) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0))) (let ((.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse8 (not .cse2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (or (and .cse7 .cse8 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse7 (= ~waterLevel~0 1) .cse8 .cse0 .cse3))) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse9 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse7 .cse5 .cse8 .cse1 .cse0 .cse9 .cse3 .cse6) (and .cse10 .cse0 .cse2 .cse3) (and .cse4 .cse5 .cse10 .cse6) (and .cse7 .cse5 .cse10 .cse8 .cse0 .cse9 .cse3 .cse6))))) [2020-12-22 06:55:59,878 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:55:59,878 INFO L192 CegarLoopUtils]: At program point L813(lines 794 816) the Hoare annotation is: true [2020-12-22 06:55:59,878 INFO L185 CegarLoopUtils]: At program point L781(lines 777 783) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:59,878 INFO L189 CegarLoopUtils]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-12-22 06:55:59,878 INFO L189 CegarLoopUtils]: For program point L717(line 717) no Hoare annotation was computed. [2020-12-22 06:55:59,879 INFO L189 CegarLoopUtils]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-12-22 06:55:59,879 INFO L189 CegarLoopUtils]: For program point L717-2(line 717) no Hoare annotation was computed. [2020-12-22 06:55:59,879 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:55:59,879 INFO L189 CegarLoopUtils]: For program point L125(lines 125 138) no Hoare annotation was computed. [2020-12-22 06:55:59,879 INFO L189 CegarLoopUtils]: For program point L226(lines 226 243) no Hoare annotation was computed. [2020-12-22 06:55:59,879 INFO L189 CegarLoopUtils]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2020-12-22 06:55:59,879 INFO L189 CegarLoopUtils]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2020-12-22 06:55:59,879 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:55:59,879 INFO L189 CegarLoopUtils]: For program point L96(lines 95 142) no Hoare annotation was computed. [2020-12-22 06:55:59,880 INFO L189 CegarLoopUtils]: For program point L922(lines 922 942) no Hoare annotation was computed. [2020-12-22 06:55:59,880 INFO L189 CegarLoopUtils]: For program point L922-2(lines 922 942) no Hoare annotation was computed. [2020-12-22 06:55:59,880 INFO L189 CegarLoopUtils]: For program point L922-4(lines 922 942) no Hoare annotation was computed. [2020-12-22 06:55:59,880 INFO L189 CegarLoopUtils]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,880 INFO L189 CegarLoopUtils]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,880 INFO L189 CegarLoopUtils]: For program point L328-3(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,880 INFO L189 CegarLoopUtils]: For program point L328-5(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,880 INFO L189 CegarLoopUtils]: For program point L328-6(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,881 INFO L189 CegarLoopUtils]: For program point L97(lines 97 101) no Hoare annotation was computed. [2020-12-22 06:55:59,881 INFO L189 CegarLoopUtils]: For program point L328-8(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,881 INFO L189 CegarLoopUtils]: For program point L328-9(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,881 INFO L189 CegarLoopUtils]: For program point L328-11(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,881 INFO L189 CegarLoopUtils]: For program point L328-12(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,881 INFO L189 CegarLoopUtils]: For program point L328-14(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,881 INFO L189 CegarLoopUtils]: For program point L328-15(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,881 INFO L189 CegarLoopUtils]: For program point L328-17(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:55:59,881 INFO L189 CegarLoopUtils]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-12-22 06:55:59,882 INFO L189 CegarLoopUtils]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2020-12-22 06:55:59,882 INFO L189 CegarLoopUtils]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-12-22 06:55:59,882 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:55:59,882 INFO L189 CegarLoopUtils]: For program point L825(lines 825 829) no Hoare annotation was computed. [2020-12-22 06:55:59,882 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 717) no Hoare annotation was computed. [2020-12-22 06:55:59,882 INFO L189 CegarLoopUtils]: For program point L825-3(lines 825 829) no Hoare annotation was computed. [2020-12-22 06:55:59,882 INFO L189 CegarLoopUtils]: For program point L825-6(lines 825 829) no Hoare annotation was computed. [2020-12-22 06:55:59,882 INFO L189 CegarLoopUtils]: For program point L133(lines 133 137) no Hoare annotation was computed. [2020-12-22 06:55:59,883 INFO L185 CegarLoopUtils]: At program point L67(lines 1 945) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:59,883 INFO L185 CegarLoopUtils]: At program point L133-2(lines 168 174) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0))) (let ((.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse8 (not .cse2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (or (and .cse7 .cse8 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse7 (= ~waterLevel~0 1) .cse8 .cse0 .cse3))) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse9 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse7 .cse5 .cse8 .cse1 .cse0 .cse9 .cse3 .cse6) (and .cse10 .cse0 .cse2 .cse3) (and .cse4 .cse5 .cse10 .cse6) (and .cse7 .cse5 .cse10 .cse8 .cse0 .cse9 .cse3 .cse6))))) [2020-12-22 06:55:59,883 INFO L189 CegarLoopUtils]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:55:59,883 INFO L189 CegarLoopUtils]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:55:59,883 INFO L189 CegarLoopUtils]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:55:59,883 INFO L189 CegarLoopUtils]: For program point L200-3(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:55:59,884 INFO L189 CegarLoopUtils]: For program point L200-4(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:55:59,884 INFO L189 CegarLoopUtils]: For program point L200-5(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:55:59,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:59 BoogieIcfgContainer [2020-12-22 06:55:59,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:59,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:59,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:59,971 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:59,971 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:39" (3/4) ... [2020-12-22 06:55:59,981 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:00,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:00,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:00,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:00,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:00,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:00,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:00,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:00,054 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || ((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || (((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:00,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && 1 <= tmp) && 1 <= \result) && !(tmp___0 == 0))) || ((((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && tmp == 0) && methaneLevelCritical == 0) && \result == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:00,056 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:00,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:00,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((tmp == 0 && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:00,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || (((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:00,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:00,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:00,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && \result == 0) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:00,067 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:00,070 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:00,072 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 0 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((((!(\result == 0) && waterLevel <= 1) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0)) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) [2020-12-22 06:56:00,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:00,191 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product38.cil.c-witness.graphml [2020-12-22 06:56:00,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:00,192 INFO L168 Benchmark]: Toolchain (without parser) took 22553.65 ms. Allocated memory was 153.1 MB in the beginning and 399.5 MB in the end (delta: 246.4 MB). Free memory was 128.0 MB in the beginning and 310.4 MB in the end (delta: -182.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:00,192 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:00,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.33 ms. Allocated memory is still 153.1 MB. Free memory was 127.8 MB in the beginning and 106.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:00,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.21 ms. Allocated memory is still 153.1 MB. Free memory was 106.2 MB in the beginning and 102.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:00,194 INFO L168 Benchmark]: Boogie Preprocessor took 86.37 ms. Allocated memory is still 153.1 MB. Free memory was 102.6 MB in the beginning and 99.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:00,194 INFO L168 Benchmark]: RCFGBuilder took 1188.77 ms. Allocated memory is still 153.1 MB. Free memory was 99.9 MB in the beginning and 73.8 MB in the end (delta: 26.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:00,194 INFO L168 Benchmark]: TraceAbstraction took 20266.31 ms. Allocated memory was 153.1 MB in the beginning and 399.5 MB in the end (delta: 246.4 MB). Free memory was 73.3 MB in the beginning and 320.9 MB in the end (delta: -247.6 MB). Peak memory consumption was 183.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:00,195 INFO L168 Benchmark]: Witness Printer took 220.37 ms. Allocated memory is still 399.5 MB. Free memory was 320.9 MB in the beginning and 310.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:00,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 684.33 ms. Allocated memory is still 153.1 MB. Free memory was 127.8 MB in the beginning and 106.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 96.21 ms. Allocated memory is still 153.1 MB. Free memory was 106.2 MB in the beginning and 102.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.37 ms. Allocated memory is still 153.1 MB. Free memory was 102.6 MB in the beginning and 99.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1188.77 ms. Allocated memory is still 153.1 MB. Free memory was 99.9 MB in the beginning and 73.8 MB in the end (delta: 26.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20266.31 ms. Allocated memory was 153.1 MB in the beginning and 399.5 MB in the end (delta: 246.4 MB). Free memory was 73.3 MB in the beginning and 320.9 MB in the end (delta: -247.6 MB). Peak memory consumption was 183.3 MB. Max. memory is 8.0 GB. * Witness Printer took 220.37 ms. Allocated memory is still 399.5 MB. Free memory was 320.9 MB in the beginning and 310.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 717]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 717]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 717]: 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: 175]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || (((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: ((((((((((tmp == 0 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((((!(\result == 0) && waterLevel <= 1) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0)) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((tmp == 0 && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || ((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || (((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && \result == 0) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: (((((((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && 1 <= tmp) && 1 <= \result) && !(tmp___0 == 0))) || ((((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && tmp == 0) && methaneLevelCritical == 0) && \result == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1531 SDtfs, 2204 SDslu, 2801 SDs, 0 SdLazy, 440 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1386 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 328 NumberOfFragments, 1785 HoareAnnotationTreeSize, 46 FomulaSimplifications, 11104154 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 46 FomulaSimplificationsInter, 930515 FormulaSimplificationTreeSizeReductionInter, 11.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 48854 SizeOfPredicates, 3 NumberOfNonLiveVariables, 434 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 114/122 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...