/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_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:55:40,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:55:40,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:41,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:55:41,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:55:41,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:55:41,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:55:41,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:55:41,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:55:41,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:55:41,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:55:41,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:55:41,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:55:41,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:55:41,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:55:41,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:55:41,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:55:41,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:55:41,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:55:41,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:55:41,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:55:41,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:55:41,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:55:41,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:55:41,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:55:41,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:55:41,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:55:41,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:55:41,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:55:41,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:55:41,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:55:41,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:55:41,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:55:41,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:41,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:41,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:41,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:41,135 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:41,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:41,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:41,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:41,138 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:41,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:41,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:41,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:41,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:41,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:41,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:41,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:41,142 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:41,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:41,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:41,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:41,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:41,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:41,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:41,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:41,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:41,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:41,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:41,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:41,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:41,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:41,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:41,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:41,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:41,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:41,715 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:41,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2020-12-22 06:55:41,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770554fe7/561865cae8de4f90876513eaacf6947a/FLAG61803f814 [2020-12-22 06:55:42,476 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:42,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2020-12-22 06:55:42,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770554fe7/561865cae8de4f90876513eaacf6947a/FLAG61803f814 [2020-12-22 06:55:42,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770554fe7/561865cae8de4f90876513eaacf6947a [2020-12-22 06:55:42,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:42,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:42,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:42,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:42,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:42,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:42" (1/1) ... [2020-12-22 06:55:42,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c120e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:42, skipping insertion in model container [2020-12-22 06:55:42,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:42" (1/1) ... [2020-12-22 06:55:42,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:42,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:43,165 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_product46.cil.c[18107,18120] [2020-12-22 06:55:43,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:43,195 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:43,334 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_product46.cil.c[18107,18120] [2020-12-22 06:55:43,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:43,375 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:43,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43 WrapperNode [2020-12-22 06:55:43,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:43,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:43,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:43,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:43,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (1/1) ... [2020-12-22 06:55:43,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (1/1) ... [2020-12-22 06:55:43,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:43,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:43,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:43,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:43,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (1/1) ... [2020-12-22 06:55:43,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (1/1) ... [2020-12-22 06:55:43,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (1/1) ... [2020-12-22 06:55:43,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (1/1) ... [2020-12-22 06:55:43,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (1/1) ... [2020-12-22 06:55:43,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (1/1) ... [2020-12-22 06:55:43,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (1/1) ... [2020-12-22 06:55:43,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:43,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:43,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:43,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:43,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (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 06:55:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:44,663 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:44,664 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2020-12-22 06:55:44,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:44 BoogieIcfgContainer [2020-12-22 06:55:44,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:44,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:44,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:44,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:44,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:42" (1/3) ... [2020-12-22 06:55:44,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a9c0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:44, skipping insertion in model container [2020-12-22 06:55:44,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:43" (2/3) ... [2020-12-22 06:55:44,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a9c0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:44, skipping insertion in model container [2020-12-22 06:55:44,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:44" (3/3) ... [2020-12-22 06:55:44,702 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2020-12-22 06:55:44,724 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:44,735 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:44,785 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:44,855 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:44,855 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:44,855 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:44,855 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:44,855 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:44,856 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:44,856 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:44,856 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-12-22 06:55:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:44,901 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:44,902 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 06:55:44,903 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:44,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:44,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1532365727, now seen corresponding path program 1 times [2020-12-22 06:55:44,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:44,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543437977] [2020-12-22 06:55:44,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:45,310 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 06:55:45,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543437977] [2020-12-22 06:55:45,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:45,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:45,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331754069] [2020-12-22 06:55:45,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:45,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:45,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:45,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:45,336 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2020-12-22 06:55:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:45,384 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2020-12-22 06:55:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:45,387 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:45,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:45,418 INFO L225 Difference]: With dead ends: 264 [2020-12-22 06:55:45,419 INFO L226 Difference]: Without dead ends: 131 [2020-12-22 06:55:45,429 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 06:55:45,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-12-22 06:55:45,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-12-22 06:55:45,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-12-22 06:55:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-12-22 06:55:45,551 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2020-12-22 06:55:45,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:45,555 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-12-22 06:55:45,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:45,556 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-12-22 06:55:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:45,558 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:45,558 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 06:55:45,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:45,560 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:45,561 INFO L82 PathProgramCache]: Analyzing trace with hash -70818645, now seen corresponding path program 1 times [2020-12-22 06:55:45,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:45,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089356341] [2020-12-22 06:55:45,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:45,744 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 06:55:45,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089356341] [2020-12-22 06:55:45,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:45,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:45,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094700084] [2020-12-22 06:55:45,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:45,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:45,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:45,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:45,750 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-12-22 06:55:45,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:45,765 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-12-22 06:55:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:45,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:45,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:45,767 INFO L225 Difference]: With dead ends: 131 [2020-12-22 06:55:45,768 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:55:45,769 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 06:55:45,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:55:45,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:55:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:55:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-12-22 06:55:45,776 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2020-12-22 06:55:45,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:45,776 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-12-22 06:55:45,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-22 06:55:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:45,778 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:45,778 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 06:55:45,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:45,779 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:45,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:45,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1705695964, now seen corresponding path program 1 times [2020-12-22 06:55:45,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:45,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610761355] [2020-12-22 06:55:45,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:45,890 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 06:55:45,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610761355] [2020-12-22 06:55:45,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:45,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:45,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886824064] [2020-12-22 06:55:45,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:45,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:45,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:45,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:45,896 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-12-22 06:55:45,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:45,945 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-12-22 06:55:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:45,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:55:45,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:45,947 INFO L225 Difference]: With dead ends: 100 [2020-12-22 06:55:45,947 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:55:45,948 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 06:55:45,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:55:45,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:55:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:55:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-12-22 06:55:45,957 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2020-12-22 06:55:45,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:45,958 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-12-22 06:55:45,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:45,959 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-12-22 06:55:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:45,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:45,960 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 06:55:45,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:45,960 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:45,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:45,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1939313638, now seen corresponding path program 1 times [2020-12-22 06:55:45,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:45,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131586324] [2020-12-22 06:55:45,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:46,075 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 06:55:46,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131586324] [2020-12-22 06:55:46,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:46,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:46,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701279033] [2020-12-22 06:55:46,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:46,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:46,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:46,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:46,082 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-12-22 06:55:46,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:46,154 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2020-12-22 06:55:46,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:46,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:55:46,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:46,156 INFO L225 Difference]: With dead ends: 123 [2020-12-22 06:55:46,156 INFO L226 Difference]: Without dead ends: 76 [2020-12-22 06:55:46,157 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 06:55:46,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-12-22 06:55:46,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2020-12-22 06:55:46,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-22 06:55:46,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2020-12-22 06:55:46,168 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2020-12-22 06:55:46,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:46,168 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2020-12-22 06:55:46,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:46,169 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2020-12-22 06:55:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:46,170 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:46,170 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 06:55:46,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:46,171 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:46,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:46,171 INFO L82 PathProgramCache]: Analyzing trace with hash -501882354, now seen corresponding path program 1 times [2020-12-22 06:55:46,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:46,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946903316] [2020-12-22 06:55:46,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:46,242 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 06:55:46,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946903316] [2020-12-22 06:55:46,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:46,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:46,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281686078] [2020-12-22 06:55:46,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:46,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:46,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:46,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:46,245 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand 5 states. [2020-12-22 06:55:46,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:46,386 INFO L93 Difference]: Finished difference Result 373 states and 541 transitions. [2020-12-22 06:55:46,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:46,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:55:46,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:46,389 INFO L225 Difference]: With dead ends: 373 [2020-12-22 06:55:46,390 INFO L226 Difference]: Without dead ends: 305 [2020-12-22 06:55:46,390 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 06:55:46,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-12-22 06:55:46,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2020-12-22 06:55:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-12-22 06:55:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2020-12-22 06:55:46,412 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 32 [2020-12-22 06:55:46,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:46,413 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2020-12-22 06:55:46,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2020-12-22 06:55:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:46,414 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:46,414 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 06:55:46,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:46,415 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:46,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:46,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1572928884, now seen corresponding path program 1 times [2020-12-22 06:55:46,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:46,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654823653] [2020-12-22 06:55:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:46,470 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 06:55:46,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654823653] [2020-12-22 06:55:46,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:46,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:46,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386411097] [2020-12-22 06:55:46,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:46,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:46,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:46,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:46,473 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand 4 states. [2020-12-22 06:55:46,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:46,579 INFO L93 Difference]: Finished difference Result 250 states and 352 transitions. [2020-12-22 06:55:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:46,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:55:46,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:46,581 INFO L225 Difference]: With dead ends: 250 [2020-12-22 06:55:46,581 INFO L226 Difference]: Without dead ends: 182 [2020-12-22 06:55:46,582 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 06:55:46,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-12-22 06:55:46,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2020-12-22 06:55:46,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-22 06:55:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 248 transitions. [2020-12-22 06:55:46,600 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 248 transitions. Word has length 33 [2020-12-22 06:55:46,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:46,600 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 248 transitions. [2020-12-22 06:55:46,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:46,601 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 248 transitions. [2020-12-22 06:55:46,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:46,602 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:46,602 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 06:55:46,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:55:46,603 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:46,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:46,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1710921162, now seen corresponding path program 1 times [2020-12-22 06:55:46,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:46,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148627872] [2020-12-22 06:55:46,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:46,659 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 06:55:46,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148627872] [2020-12-22 06:55:46,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:46,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:46,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485397671] [2020-12-22 06:55:46,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:46,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:46,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:46,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:46,661 INFO L87 Difference]: Start difference. First operand 179 states and 248 transitions. Second operand 4 states. [2020-12-22 06:55:46,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:46,745 INFO L93 Difference]: Finished difference Result 497 states and 700 transitions. [2020-12-22 06:55:46,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:46,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:55:46,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:46,748 INFO L225 Difference]: With dead ends: 497 [2020-12-22 06:55:46,748 INFO L226 Difference]: Without dead ends: 370 [2020-12-22 06:55:46,749 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 06:55:46,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-12-22 06:55:46,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 179. [2020-12-22 06:55:46,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-22 06:55:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 246 transitions. [2020-12-22 06:55:46,768 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 246 transitions. Word has length 33 [2020-12-22 06:55:46,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:46,768 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 246 transitions. [2020-12-22 06:55:46,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 246 transitions. [2020-12-22 06:55:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:46,769 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:46,770 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 06:55:46,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:55:46,770 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:46,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:46,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1969086600, now seen corresponding path program 1 times [2020-12-22 06:55:46,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:46,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482832273] [2020-12-22 06:55:46,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:46,875 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 06:55:46,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482832273] [2020-12-22 06:55:46,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:46,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:46,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576862426] [2020-12-22 06:55:46,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:46,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:46,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:46,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:46,878 INFO L87 Difference]: Start difference. First operand 179 states and 246 transitions. Second operand 6 states. [2020-12-22 06:55:47,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:47,020 INFO L93 Difference]: Finished difference Result 624 states and 874 transitions. [2020-12-22 06:55:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:47,021 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-12-22 06:55:47,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:47,024 INFO L225 Difference]: With dead ends: 624 [2020-12-22 06:55:47,024 INFO L226 Difference]: Without dead ends: 451 [2020-12-22 06:55:47,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:55:47,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-12-22 06:55:47,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 188. [2020-12-22 06:55:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-12-22 06:55:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 253 transitions. [2020-12-22 06:55:47,049 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 253 transitions. Word has length 33 [2020-12-22 06:55:47,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:47,050 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 253 transitions. [2020-12-22 06:55:47,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 253 transitions. [2020-12-22 06:55:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:47,051 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:47,051 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, 1, 1, 1] [2020-12-22 06:55:47,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:55:47,052 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:47,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:47,052 INFO L82 PathProgramCache]: Analyzing trace with hash -558169663, now seen corresponding path program 1 times [2020-12-22 06:55:47,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:47,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251738837] [2020-12-22 06:55:47,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:47,119 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 06:55:47,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251738837] [2020-12-22 06:55:47,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:47,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:47,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326585091] [2020-12-22 06:55:47,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:47,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:47,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:47,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:47,123 INFO L87 Difference]: Start difference. First operand 188 states and 253 transitions. Second operand 6 states. [2020-12-22 06:55:47,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:47,440 INFO L93 Difference]: Finished difference Result 1177 states and 1553 transitions. [2020-12-22 06:55:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 06:55:47,440 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-12-22 06:55:47,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:47,447 INFO L225 Difference]: With dead ends: 1177 [2020-12-22 06:55:47,447 INFO L226 Difference]: Without dead ends: 995 [2020-12-22 06:55:47,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:55:47,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2020-12-22 06:55:47,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 356. [2020-12-22 06:55:47,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-12-22 06:55:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 472 transitions. [2020-12-22 06:55:47,495 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 472 transitions. Word has length 36 [2020-12-22 06:55:47,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:47,497 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 472 transitions. [2020-12-22 06:55:47,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 472 transitions. [2020-12-22 06:55:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:47,499 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:47,500 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, 1, 1, 1] [2020-12-22 06:55:47,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:55:47,500 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:47,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:47,501 INFO L82 PathProgramCache]: Analyzing trace with hash 121888707, now seen corresponding path program 1 times [2020-12-22 06:55:47,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:47,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959793054] [2020-12-22 06:55:47,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:47,586 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 06:55:47,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959793054] [2020-12-22 06:55:47,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:47,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:47,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634531984] [2020-12-22 06:55:47,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:47,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:47,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:47,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:47,591 INFO L87 Difference]: Start difference. First operand 356 states and 472 transitions. Second operand 5 states. [2020-12-22 06:55:47,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:47,819 INFO L93 Difference]: Finished difference Result 930 states and 1259 transitions. [2020-12-22 06:55:47,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:47,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:55:47,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:47,831 INFO L225 Difference]: With dead ends: 930 [2020-12-22 06:55:47,831 INFO L226 Difference]: Without dead ends: 580 [2020-12-22 06:55:47,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 06:55:47,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-12-22 06:55:47,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 302. [2020-12-22 06:55:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-12-22 06:55:47,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 389 transitions. [2020-12-22 06:55:47,885 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 389 transitions. Word has length 36 [2020-12-22 06:55:47,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:47,886 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 389 transitions. [2020-12-22 06:55:47,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:47,886 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 389 transitions. [2020-12-22 06:55:47,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:55:47,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:47,887 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, 1, 1, 1, 1] [2020-12-22 06:55:47,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:55:47,887 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:47,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:47,888 INFO L82 PathProgramCache]: Analyzing trace with hash -613249401, now seen corresponding path program 1 times [2020-12-22 06:55:47,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:47,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796842404] [2020-12-22 06:55:47,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:47,968 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 06:55:47,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796842404] [2020-12-22 06:55:47,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:47,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:55:47,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967359104] [2020-12-22 06:55:47,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:55:47,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:47,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:55:47,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:47,979 INFO L87 Difference]: Start difference. First operand 302 states and 389 transitions. Second operand 7 states. [2020-12-22 06:55:48,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:48,418 INFO L93 Difference]: Finished difference Result 1129 states and 1438 transitions. [2020-12-22 06:55:48,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:55:48,418 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-12-22 06:55:48,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:48,424 INFO L225 Difference]: With dead ends: 1129 [2020-12-22 06:55:48,424 INFO L226 Difference]: Without dead ends: 833 [2020-12-22 06:55:48,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:55:48,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2020-12-22 06:55:48,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 282. [2020-12-22 06:55:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 06:55:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 352 transitions. [2020-12-22 06:55:48,471 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 352 transitions. Word has length 37 [2020-12-22 06:55:48,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:48,471 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 352 transitions. [2020-12-22 06:55:48,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:55:48,472 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 352 transitions. [2020-12-22 06:55:48,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:55:48,473 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:48,473 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, 1, 1, 1] [2020-12-22 06:55:48,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:55:48,473 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:48,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:48,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1278493487, now seen corresponding path program 1 times [2020-12-22 06:55:48,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:48,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762003076] [2020-12-22 06:55:48,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:48,576 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 06:55:48,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762003076] [2020-12-22 06:55:48,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:48,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:48,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303919248] [2020-12-22 06:55:48,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:48,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:48,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:48,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:48,579 INFO L87 Difference]: Start difference. First operand 282 states and 352 transitions. Second operand 5 states. [2020-12-22 06:55:48,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:48,663 INFO L93 Difference]: Finished difference Result 653 states and 819 transitions. [2020-12-22 06:55:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:48,669 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-22 06:55:48,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:48,672 INFO L225 Difference]: With dead ends: 653 [2020-12-22 06:55:48,673 INFO L226 Difference]: Without dead ends: 377 [2020-12-22 06:55:48,674 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 06:55:48,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-12-22 06:55:48,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 282. [2020-12-22 06:55:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 06:55:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 348 transitions. [2020-12-22 06:55:48,713 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 348 transitions. Word has length 53 [2020-12-22 06:55:48,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:48,718 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 348 transitions. [2020-12-22 06:55:48,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2020-12-22 06:55:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:55:48,720 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:48,721 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, 1, 1, 1] [2020-12-22 06:55:48,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:55:48,721 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:48,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:48,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1350880045, now seen corresponding path program 1 times [2020-12-22 06:55:48,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:48,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698080240] [2020-12-22 06:55:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:48,794 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 06:55:48,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698080240] [2020-12-22 06:55:48,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:48,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:48,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736707618] [2020-12-22 06:55:48,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:48,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:48,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:48,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:48,799 INFO L87 Difference]: Start difference. First operand 282 states and 348 transitions. Second operand 4 states. [2020-12-22 06:55:48,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:48,897 INFO L93 Difference]: Finished difference Result 600 states and 751 transitions. [2020-12-22 06:55:48,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:48,897 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-12-22 06:55:48,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:48,899 INFO L225 Difference]: With dead ends: 600 [2020-12-22 06:55:48,899 INFO L226 Difference]: Without dead ends: 324 [2020-12-22 06:55:48,905 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 06:55:48,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-12-22 06:55:48,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 240. [2020-12-22 06:55:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-12-22 06:55:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 297 transitions. [2020-12-22 06:55:48,946 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 297 transitions. Word has length 53 [2020-12-22 06:55:48,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:48,949 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 297 transitions. [2020-12-22 06:55:48,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 297 transitions. [2020-12-22 06:55:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:55:48,951 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:48,952 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, 1, 1, 1] [2020-12-22 06:55:48,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:55:48,952 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:48,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:48,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1916178793, now seen corresponding path program 1 times [2020-12-22 06:55:48,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:48,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643037304] [2020-12-22 06:55:48,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:49,017 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 06:55:49,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643037304] [2020-12-22 06:55:49,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:49,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:49,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580764290] [2020-12-22 06:55:49,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:49,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:49,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:49,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:49,020 INFO L87 Difference]: Start difference. First operand 240 states and 297 transitions. Second operand 5 states. [2020-12-22 06:55:49,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:49,138 INFO L93 Difference]: Finished difference Result 612 states and 756 transitions. [2020-12-22 06:55:49,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:49,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-22 06:55:49,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:49,141 INFO L225 Difference]: With dead ends: 612 [2020-12-22 06:55:49,141 INFO L226 Difference]: Without dead ends: 378 [2020-12-22 06:55:49,142 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 06:55:49,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-12-22 06:55:49,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 240. [2020-12-22 06:55:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-12-22 06:55:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 293 transitions. [2020-12-22 06:55:49,177 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 293 transitions. Word has length 54 [2020-12-22 06:55:49,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:49,177 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 293 transitions. [2020-12-22 06:55:49,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 293 transitions. [2020-12-22 06:55:49,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:55:49,178 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:49,179 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, 1, 1, 1] [2020-12-22 06:55:49,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 06:55:49,179 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:49,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:49,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1094031012, now seen corresponding path program 1 times [2020-12-22 06:55:49,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:49,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546111457] [2020-12-22 06:55:49,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:49,251 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 06:55:49,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546111457] [2020-12-22 06:55:49,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:49,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:49,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211391249] [2020-12-22 06:55:49,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:49,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:49,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:49,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:49,253 INFO L87 Difference]: Start difference. First operand 240 states and 293 transitions. Second operand 6 states. [2020-12-22 06:55:49,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:49,443 INFO L93 Difference]: Finished difference Result 571 states and 706 transitions. [2020-12-22 06:55:49,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:55:49,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-12-22 06:55:49,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:49,447 INFO L225 Difference]: With dead ends: 571 [2020-12-22 06:55:49,447 INFO L226 Difference]: Without dead ends: 387 [2020-12-22 06:55:49,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:55:49,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-12-22 06:55:49,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 240. [2020-12-22 06:55:49,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-12-22 06:55:49,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 292 transitions. [2020-12-22 06:55:49,500 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 292 transitions. Word has length 56 [2020-12-22 06:55:49,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:49,500 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 292 transitions. [2020-12-22 06:55:49,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 292 transitions. [2020-12-22 06:55:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-22 06:55:49,501 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:49,501 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, 1, 1, 1] [2020-12-22 06:55:49,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 06:55:49,503 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:49,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:49,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1896433734, now seen corresponding path program 1 times [2020-12-22 06:55:49,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:49,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727192599] [2020-12-22 06:55:49,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-22 06:55:49,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727192599] [2020-12-22 06:55:49,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:49,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 06:55:49,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406812778] [2020-12-22 06:55:49,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:55:49,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:49,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:55:49,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:49,611 INFO L87 Difference]: Start difference. First operand 240 states and 292 transitions. Second operand 8 states. [2020-12-22 06:55:50,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:50,210 INFO L93 Difference]: Finished difference Result 794 states and 961 transitions. [2020-12-22 06:55:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-22 06:55:50,210 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2020-12-22 06:55:50,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:50,214 INFO L225 Difference]: With dead ends: 794 [2020-12-22 06:55:50,214 INFO L226 Difference]: Without dead ends: 610 [2020-12-22 06:55:50,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-12-22 06:55:50,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-12-22 06:55:50,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 232. [2020-12-22 06:55:50,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-12-22 06:55:50,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 282 transitions. [2020-12-22 06:55:50,253 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 282 transitions. Word has length 77 [2020-12-22 06:55:50,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:50,253 INFO L481 AbstractCegarLoop]: Abstraction has 232 states and 282 transitions. [2020-12-22 06:55:50,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:55:50,253 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 282 transitions. [2020-12-22 06:55:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-22 06:55:50,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:50,254 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2020-12-22 06:55:50,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 06:55:50,255 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:50,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:50,255 INFO L82 PathProgramCache]: Analyzing trace with hash -98970795, now seen corresponding path program 1 times [2020-12-22 06:55:50,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:50,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610795662] [2020-12-22 06:55:50,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-22 06:55:50,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610795662] [2020-12-22 06:55:50,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:50,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:50,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902485254] [2020-12-22 06:55:50,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:50,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:50,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:50,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:50,327 INFO L87 Difference]: Start difference. First operand 232 states and 282 transitions. Second operand 5 states. [2020-12-22 06:55:50,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:50,551 INFO L93 Difference]: Finished difference Result 887 states and 1096 transitions. [2020-12-22 06:55:50,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:50,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2020-12-22 06:55:50,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:50,552 INFO L225 Difference]: With dead ends: 887 [2020-12-22 06:55:50,553 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:55:50,554 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 06:55:50,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:55:50,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:55:50,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:55:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:55:50,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2020-12-22 06:55:50,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:50,555 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:55:50,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:55:50,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:55:50,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 06:55:50,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:55:51,484 WARN L197 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 167 [2020-12-22 06:55:51,668 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-22 06:55:54,121 WARN L197 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2020-12-22 06:55:55,641 WARN L197 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 394 DAG size of output: 307 [2020-12-22 06:55:56,744 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 339 DAG size of output: 275 [2020-12-22 06:55:57,381 WARN L197 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 208 [2020-12-22 06:55:57,800 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 212 [2020-12-22 06:55:58,192 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 161 [2020-12-22 06:55:58,326 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2020-12-22 06:55:58,573 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 151 [2020-12-22 06:56:00,022 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 167 DAG size of output: 40 [2020-12-22 06:56:00,262 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 26 [2020-12-22 06:56:04,975 WARN L197 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 310 DAG size of output: 53 [2020-12-22 06:56:09,242 WARN L197 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 294 DAG size of output: 53 [2020-12-22 06:56:13,023 WARN L197 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 267 DAG size of output: 37 [2020-12-22 06:56:14,794 WARN L197 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2020-12-22 06:56:15,168 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-12-22 06:56:16,819 WARN L197 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 204 DAG size of output: 68 [2020-12-22 06:56:18,119 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 150 DAG size of output: 46 [2020-12-22 06:56:18,904 WARN L197 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 59 [2020-12-22 06:56:19,851 WARN L197 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 66 [2020-12-22 06:56:20,067 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 21 [2020-12-22 06:56:20,318 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2020-12-22 06:56:20,552 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2020-12-22 06:56:20,564 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2020-12-22 06:56:20,565 INFO L185 CegarLoopUtils]: At program point L663(lines 658 666) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse2 (= ~pumpRunning~0 1)) (.cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse11 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse9 (= ~methaneLevelCritical~0 0))) (or (and (not .cse0) .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse6 .cse7 (not .cse8) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse9 (not .cse10)) (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) .cse6 .cse7 .cse1 .cse2 .cse3 .cse9 .cse4 .cse5) (and (<= ~waterLevel~0 1) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse9 .cse3 .cse4 .cse11 .cse5 (not .cse7)) (and (= ~waterLevel~0 1) .cse10 .cse1 .cse3 .cse0 .cse4 .cse11 .cse5 (= |ULTIMATE.start_getWaterLevel_#res| 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) .cse9))) [2020-12-22 06:56:20,565 INFO L185 CegarLoopUtils]: At program point L663-1(lines 658 666) the Hoare annotation is: false [2020-12-22 06:56:20,565 INFO L185 CegarLoopUtils]: At program point L663-2(lines 658 666) the Hoare annotation is: false [2020-12-22 06:56:20,566 INFO L189 CegarLoopUtils]: For program point L928(lines 928 941) no Hoare annotation was computed. [2020-12-22 06:56:20,566 INFO L185 CegarLoopUtils]: At program point L631(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 (not .cse3) .cse4))) [2020-12-22 06:56:20,566 INFO L185 CegarLoopUtils]: At program point L631-1(lines 626 634) the Hoare annotation is: false [2020-12-22 06:56:20,566 INFO L185 CegarLoopUtils]: At program point L631-2(lines 626 634) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse1 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 (not .cse4) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-12-22 06:56:20,567 INFO L185 CegarLoopUtils]: At program point L631-3(lines 626 634) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse11 (not .cse6)) (.cse9 (not .cse2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse12 (= ~waterLevel~0 1)) (.cse17 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse16 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (<= ~waterLevel~0 1) .cse5 .cse4 .cse6 .cse8 .cse7 .cse9) (and .cse10 .cse5 .cse11 .cse8 .cse7 .cse9) (and .cse12 .cse10 .cse13 .cse5 .cse11 .cse8 .cse7 .cse14) (and .cse0 .cse1 .cse10 .cse3 .cse5 .cse11 .cse7 .cse9) (and (not .cse15) .cse3 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse1 (not .cse16) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse4 (not .cse17)) (and .cse12 .cse17 .cse16 .cse5 .cse4 .cse13 .cse15 .cse6 .cse8 .cse7 .cse14)))) [2020-12-22 06:56:20,567 INFO L185 CegarLoopUtils]: At program point L631-4(lines 626 634) the Hoare annotation is: false [2020-12-22 06:56:20,568 INFO L185 CegarLoopUtils]: At program point L631-5(lines 626 634) the Hoare annotation is: false [2020-12-22 06:56:20,568 INFO L185 CegarLoopUtils]: At program point L631-6(lines 626 634) the Hoare annotation is: false [2020-12-22 06:56:20,568 INFO L185 CegarLoopUtils]: At program point L631-7(lines 626 634) the Hoare annotation is: false [2020-12-22 06:56:20,568 INFO L185 CegarLoopUtils]: At program point L631-8(lines 626 634) the Hoare annotation is: false [2020-12-22 06:56:20,568 INFO L185 CegarLoopUtils]: At program point L631-9(lines 626 634) the Hoare annotation is: false [2020-12-22 06:56:20,569 INFO L185 CegarLoopUtils]: At program point L631-10(lines 626 634) the Hoare annotation is: false [2020-12-22 06:56:20,569 INFO L185 CegarLoopUtils]: At program point L631-11(lines 626 634) the Hoare annotation is: false [2020-12-22 06:56:20,569 INFO L189 CegarLoopUtils]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-12-22 06:56:20,569 INFO L189 CegarLoopUtils]: For program point L500-1(lines 692 698) no Hoare annotation was computed. [2020-12-22 06:56:20,569 INFO L185 CegarLoopUtils]: At program point L699(lines 699 705) the Hoare annotation is: (let ((.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse0 (= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse13 (= ~pumpRunning~0 1)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse11 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse2 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse15 (= ~methaneLevelCritical~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse16 (not .cse12))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12 .cse13 .cse3 .cse4 .cse14 .cse8) (and .cse0 .cse15 .cse3 .cse5 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse15 .cse13 .cse3 (not .cse14) .cse8 .cse16) (and (<= ~waterLevel~0 1) .cse3 .cse4 .cse7 .cse8 .cse16) (and (not .cse6) .cse13 .cse3 .cse14 (<= 2 ~waterLevel~0) .cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse11 .cse12 (not .cse2) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse4 (not .cse1)) (and .cse15 .cse3 .cse7 .cse8 .cse16)))) [2020-12-22 06:56:20,569 INFO L185 CegarLoopUtils]: At program point L699-1(lines 699 705) the Hoare annotation is: false [2020-12-22 06:56:20,570 INFO L185 CegarLoopUtils]: At program point L699-2(lines 699 705) the Hoare annotation is: false [2020-12-22 06:56:20,570 INFO L185 CegarLoopUtils]: At program point L105(lines 1 962) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:20,570 INFO L189 CegarLoopUtils]: For program point L899(lines 898 945) no Hoare annotation was computed. [2020-12-22 06:56:20,570 INFO L189 CegarLoopUtils]: For program point L900(lines 900 904) no Hoare annotation was computed. [2020-12-22 06:56:20,570 INFO L189 CegarLoopUtils]: For program point L571(lines 571 578) no Hoare annotation was computed. [2020-12-22 06:56:20,570 INFO L192 CegarLoopUtils]: At program point L571-1(lines 571 578) the Hoare annotation is: true [2020-12-22 06:56:20,570 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2020-12-22 06:56:20,570 INFO L189 CegarLoopUtils]: For program point L869(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,571 INFO L189 CegarLoopUtils]: For program point L869-2(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,571 INFO L189 CegarLoopUtils]: For program point L869-3(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,571 INFO L189 CegarLoopUtils]: For program point L869-5(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,571 INFO L189 CegarLoopUtils]: For program point L671(lines 671 677) no Hoare annotation was computed. [2020-12-22 06:56:20,571 INFO L189 CegarLoopUtils]: For program point L869-6(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,571 INFO L189 CegarLoopUtils]: For program point L671-1(lines 671 677) no Hoare annotation was computed. [2020-12-22 06:56:20,571 INFO L189 CegarLoopUtils]: For program point L671-2(lines 671 677) no Hoare annotation was computed. [2020-12-22 06:56:20,571 INFO L189 CegarLoopUtils]: For program point L869-8(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,571 INFO L189 CegarLoopUtils]: For program point L671-3(lines 671 677) no Hoare annotation was computed. [2020-12-22 06:56:20,571 INFO L189 CegarLoopUtils]: For program point L869-9(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,572 INFO L189 CegarLoopUtils]: For program point L671-4(lines 671 677) no Hoare annotation was computed. [2020-12-22 06:56:20,572 INFO L189 CegarLoopUtils]: For program point L869-11(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,572 INFO L189 CegarLoopUtils]: For program point L671-5(lines 671 677) no Hoare annotation was computed. [2020-12-22 06:56:20,572 INFO L189 CegarLoopUtils]: For program point L869-12(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,572 INFO L189 CegarLoopUtils]: For program point L869-14(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,572 INFO L189 CegarLoopUtils]: For program point L869-15(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,572 INFO L189 CegarLoopUtils]: For program point L869-17(lines 869 873) no Hoare annotation was computed. [2020-12-22 06:56:20,572 INFO L189 CegarLoopUtils]: For program point L936(lines 936 940) no Hoare annotation was computed. [2020-12-22 06:56:20,573 INFO L185 CegarLoopUtils]: At program point L936-2(lines 692 698) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse10 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse4 (= ~pumpRunning~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse4 .cse3 .cse6 .cse7 .cse5) (and .cse2 .cse3 .cse7 .cse8 .cse5) (and .cse1 .cse9 .cse10 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse4 .cse6 .cse3 .cse5) (and .cse3 .cse6 .cse7 .cse8 .cse5) (and .cse10 .cse2 .cse3 .cse8 .cse5) (and .cse10 .cse6 .cse3 .cse8 .cse5) (and .cse6 .cse3 .cse8 .cse5 .cse11) (and .cse2 (or (and .cse1 .cse9 .cse10 .cse3 .cse4 .cse5) (and .cse1 .cse3 .cse4 .cse7 .cse5))) (and .cse2 .cse3 .cse8 .cse5 .cse11))) [2020-12-22 06:56:20,573 INFO L189 CegarLoopUtils]: For program point L606(lines 606 610) no Hoare annotation was computed. [2020-12-22 06:56:20,573 INFO L185 CegarLoopUtils]: At program point L113(lines 108 116) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:20,573 INFO L185 CegarLoopUtils]: At program point L676(lines 667 680) the Hoare annotation is: false [2020-12-22 06:56:20,573 INFO L185 CegarLoopUtils]: At program point L676-1(lines 667 680) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse9 .cse2 .cse1 .cse10 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse9 .cse2 .cse10 .cse3 .cse4) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse8 .cse5))) [2020-12-22 06:56:20,573 INFO L185 CegarLoopUtils]: At program point L676-2(lines 667 680) the Hoare annotation is: false [2020-12-22 06:56:20,574 INFO L185 CegarLoopUtils]: At program point L676-3(lines 667 680) the Hoare annotation is: false [2020-12-22 06:56:20,574 INFO L185 CegarLoopUtils]: At program point L676-4(lines 667 680) the Hoare annotation is: false [2020-12-22 06:56:20,574 INFO L185 CegarLoopUtils]: At program point L676-5(lines 667 680) the Hoare annotation is: false [2020-12-22 06:56:20,574 INFO L189 CegarLoopUtils]: For program point L908(lines 908 914) no Hoare annotation was computed. [2020-12-22 06:56:20,574 INFO L185 CegarLoopUtils]: At program point L908-1(lines 908 914) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0))) (let ((.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse11 (= ~waterLevel~0 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse16 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse12 (= ~methaneLevelCritical~0 1)) (.cse13 (not .cse3)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse14 (not .cse7)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse15 (not .cse2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and (or (and .cse1 .cse2 .cse5 .cse4 .cse6 .cse9 .cse8) (and .cse1 .cse2 .cse10 .cse11 .cse4 .cse6 .cse5 .cse8)) .cse3 .cse7) (and .cse12 (or (and .cse1 .cse10 .cse11 .cse4 .cse5 .cse8) (and .cse1 .cse5 .cse4 .cse9 .cse8)) .cse13 .cse14 .cse15) (and .cse12 .cse13 .cse5 .cse14 .cse16 .cse8 .cse15) (and .cse3 .cse5 .cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 1) (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1) .cse7 .cse16 .cse8 .cse15) (and .cse11 .cse12 .cse13 .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) .cse14 .cse16 .cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse12 .cse13 .cse5 .cse14 .cse9 .cse16 .cse8) (and .cse11 .cse5 .cse6 .cse16 .cse8) (and .cse6 .cse5 .cse9 .cse16 .cse8) (and .cse0 .cse1 .cse12 .cse13 .cse4 .cse5 .cse14 .cse8 .cse15)))) [2020-12-22 06:56:20,575 INFO L185 CegarLoopUtils]: At program point L875(lines 860 878) the Hoare annotation is: false [2020-12-22 06:56:20,575 INFO L185 CegarLoopUtils]: At program point L875-1(lines 860 878) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (let ((.cse9 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse15 (<= ~waterLevel~0 1)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse16 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (not .cse13)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse8 (not .cse10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse13 .cse5 .cse6 .cse14) (and .cse9 .cse10 .cse2 .cse3 .cse12 .cse13 .cse5 .cse6 .cse14) (and .cse15 .cse10 .cse12 .cse2 .cse3 .cse13 .cse5 .cse6 .cse16 .cse14) (and .cse15 .cse10 .cse11 .cse3 .cse12 .cse13 .cse5 .cse6 .cse16 .cse14) (and .cse0 .cse11 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8)))) [2020-12-22 06:56:20,575 INFO L185 CegarLoopUtils]: At program point L875-2(lines 860 878) the Hoare annotation is: false [2020-12-22 06:56:20,575 INFO L185 CegarLoopUtils]: At program point L875-3(lines 860 878) the Hoare annotation is: false [2020-12-22 06:56:20,575 INFO L185 CegarLoopUtils]: At program point L875-4(lines 860 878) the Hoare annotation is: false [2020-12-22 06:56:20,575 INFO L185 CegarLoopUtils]: At program point L875-5(lines 860 878) the Hoare annotation is: false [2020-12-22 06:56:20,576 INFO L185 CegarLoopUtils]: At program point L811(lines 804 814) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 (not .cse3) .cse4 (not .cse5)) (and .cse0 .cse5 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4))) [2020-12-22 06:56:20,576 INFO L185 CegarLoopUtils]: At program point L811-1(lines 804 814) the Hoare annotation is: false [2020-12-22 06:56:20,576 INFO L185 CegarLoopUtils]: At program point L811-2(lines 804 814) the Hoare annotation is: (let ((.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4 (not .cse6) .cse5 .cse7 .cse8 (not .cse0) .cse9 .cse10))) [2020-12-22 06:56:20,576 INFO L185 CegarLoopUtils]: At program point L811-3(lines 804 814) the Hoare annotation is: false [2020-12-22 06:56:20,576 INFO L185 CegarLoopUtils]: At program point L811-4(lines 804 814) the Hoare annotation is: false [2020-12-22 06:56:20,576 INFO L185 CegarLoopUtils]: At program point L811-5(lines 804 814) the Hoare annotation is: false [2020-12-22 06:56:20,576 INFO L185 CegarLoopUtils]: At program point L811-6(lines 804 814) the Hoare annotation is: false [2020-12-22 06:56:20,576 INFO L185 CegarLoopUtils]: At program point L811-7(lines 804 814) the Hoare annotation is: false [2020-12-22 06:56:20,576 INFO L192 CegarLoopUtils]: At program point L580(lines 561 583) the Hoare annotation is: true [2020-12-22 06:56:20,577 INFO L185 CegarLoopUtils]: At program point L547(lines 543 549) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:20,577 INFO L185 CegarLoopUtils]: At program point L811-8(lines 804 814) the Hoare annotation is: false [2020-12-22 06:56:20,577 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:20,577 INFO L185 CegarLoopUtils]: At program point L946(lines 897 947) the Hoare annotation is: false [2020-12-22 06:56:20,577 INFO L189 CegarLoopUtils]: For program point L55(lines 55 75) no Hoare annotation was computed. [2020-12-22 06:56:20,577 INFO L189 CegarLoopUtils]: For program point L55-2(lines 55 75) no Hoare annotation was computed. [2020-12-22 06:56:20,577 INFO L189 CegarLoopUtils]: For program point L55-4(lines 55 75) no Hoare annotation was computed. [2020-12-22 06:56:20,577 INFO L189 CegarLoopUtils]: For program point L750(lines 750 767) no Hoare annotation was computed. [2020-12-22 06:56:20,578 INFO L189 CegarLoopUtils]: For program point L750-1(lines 750 767) no Hoare annotation was computed. [2020-12-22 06:56:20,578 INFO L189 CegarLoopUtils]: For program point L750-2(lines 750 767) no Hoare annotation was computed. [2020-12-22 06:56:20,578 INFO L189 CegarLoopUtils]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-12-22 06:56:20,578 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:20,578 INFO L189 CegarLoopUtils]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-12-22 06:56:20,578 INFO L185 CegarLoopUtils]: At program point L918-1(lines 918 924) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse10 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse4 (= ~pumpRunning~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse4 .cse3 .cse6 .cse7 .cse5) (and .cse2 .cse3 .cse7 .cse8 .cse5) (and .cse1 .cse9 .cse10 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse4 .cse6 .cse3 .cse5) (and .cse3 .cse6 .cse7 .cse8 .cse5) (and .cse10 .cse2 .cse3 .cse8 .cse5) (and .cse10 .cse6 .cse3 .cse8 .cse5) (and .cse6 .cse3 .cse8 .cse5 .cse11) (and .cse2 (or (and .cse1 .cse9 .cse10 .cse3 .cse4 .cse5) (and .cse1 .cse3 .cse4 .cse7 .cse5))) (and .cse2 .cse3 .cse8 .cse5 .cse11))) [2020-12-22 06:56:20,578 INFO L189 CegarLoopUtils]: For program point L786(lines 786 792) no Hoare annotation was computed. [2020-12-22 06:56:20,578 INFO L189 CegarLoopUtils]: For program point L786-2(lines 786 792) no Hoare annotation was computed. [2020-12-22 06:56:20,579 INFO L189 CegarLoopUtils]: For program point L786-4(lines 786 792) no Hoare annotation was computed. [2020-12-22 06:56:20,579 INFO L189 CegarLoopUtils]: For program point L786-6(lines 786 792) no Hoare annotation was computed. [2020-12-22 06:56:20,579 INFO L189 CegarLoopUtils]: For program point L786-8(lines 786 792) no Hoare annotation was computed. [2020-12-22 06:56:20,579 INFO L189 CegarLoopUtils]: For program point L786-10(lines 786 792) no Hoare annotation was computed. [2020-12-22 06:56:20,579 INFO L185 CegarLoopUtils]: At program point L820(lines 815 823) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse0 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse0 .cse1 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-12-22 06:56:20,579 INFO L185 CegarLoopUtils]: At program point L820-1(lines 815 823) the Hoare annotation is: false [2020-12-22 06:56:20,579 INFO L189 CegarLoopUtils]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-12-22 06:56:20,579 INFO L185 CegarLoopUtils]: At program point L820-2(lines 815 823) the Hoare annotation is: false [2020-12-22 06:56:20,579 INFO L189 CegarLoopUtils]: For program point L754-1(lines 754 762) no Hoare annotation was computed. [2020-12-22 06:56:20,579 INFO L189 CegarLoopUtils]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2020-12-22 06:56:20,579 INFO L189 CegarLoopUtils]: For program point L61(lines 61 74) no Hoare annotation was computed. [2020-12-22 06:56:20,580 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:20,580 INFO L185 CegarLoopUtils]: At program point L61-1(lines 1 962) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0))) (let ((.cse14 (= ~waterLevel~0 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse10 (not .cse3)) (.cse4 (= ~pumpRunning~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse11 (not .cse7)) (.cse13 (not .cse2)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse3 .cse4 .cse6 (<= 2 ~waterLevel~0) .cse7 .cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse1 .cse2 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and .cse9 .cse10 .cse6 .cse11 .cse12 .cse8 .cse13) (and .cse14 .cse9 .cse10 .cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) .cse11 .cse12 .cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (<= ~waterLevel~0 1) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse6 .cse5 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1) .cse7 .cse12 .cse13 .cse8) (and .cse14 .cse6 .cse5 .cse12 .cse8) (and .cse0 .cse1 .cse9 .cse10 .cse4 .cse6 .cse11 .cse13 .cse8)))) [2020-12-22 06:56:20,580 INFO L189 CegarLoopUtils]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2020-12-22 06:56:20,580 INFO L185 CegarLoopUtils]: At program point L61-3(lines 1 962) the Hoare annotation is: false [2020-12-22 06:56:20,580 INFO L189 CegarLoopUtils]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2020-12-22 06:56:20,580 INFO L185 CegarLoopUtils]: At program point L61-5(lines 1 962) the Hoare annotation is: false [2020-12-22 06:56:20,580 INFO L189 CegarLoopUtils]: For program point L724(lines 724 741) no Hoare annotation was computed. [2020-12-22 06:56:20,581 INFO L189 CegarLoopUtils]: For program point L724-1(lines 724 741) no Hoare annotation was computed. [2020-12-22 06:56:20,581 INFO L189 CegarLoopUtils]: For program point L724-2(lines 724 741) no Hoare annotation was computed. [2020-12-22 06:56:20,581 INFO L189 CegarLoopUtils]: For program point L724-3(lines 724 741) no Hoare annotation was computed. [2020-12-22 06:56:20,581 INFO L189 CegarLoopUtils]: For program point L724-4(lines 724 741) no Hoare annotation was computed. [2020-12-22 06:56:20,581 INFO L189 CegarLoopUtils]: For program point L724-5(lines 724 741) no Hoare annotation was computed. [2020-12-22 06:56:20,581 INFO L185 CegarLoopUtils]: At program point L692(lines 691 710) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse8 (= ~waterLevel~0 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (.cse6 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse5 .cse1 .cse4) (and .cse8 .cse0 .cse1 .cse3 .cse4) (and .cse8 .cse5 .cse1 .cse3 .cse4) (and .cse5 .cse1 .cse3 .cse4 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse9) (and .cse6 .cse0 .cse1 .cse7 .cse4))) [2020-12-22 06:56:20,581 INFO L189 CegarLoopUtils]: For program point L692-1(lines 692 698) no Hoare annotation was computed. [2020-12-22 06:56:20,581 INFO L185 CegarLoopUtils]: At program point L692-2(lines 691 710) the Hoare annotation is: false [2020-12-22 06:56:20,581 INFO L185 CegarLoopUtils]: At program point L692-3(lines 691 710) the Hoare annotation is: false [2020-12-22 06:56:20,582 INFO L189 CegarLoopUtils]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-12-22 06:56:20,582 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:20,582 INFO L189 CegarLoopUtils]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2020-12-22 06:56:20,582 INFO L189 CegarLoopUtils]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2020-12-22 06:56:20,582 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2020-12-22 06:56:20,582 INFO L189 CegarLoopUtils]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-12-22 06:56:20,582 INFO L189 CegarLoopUtils]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2020-12-22 06:56:20,582 INFO L189 CegarLoopUtils]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2020-12-22 06:56:20,582 INFO L185 CegarLoopUtils]: At program point L496-2(lines 496 510) the Hoare annotation is: false [2020-12-22 06:56:20,583 INFO L189 CegarLoopUtils]: For program point L959(line 959) no Hoare annotation was computed. [2020-12-22 06:56:20,583 INFO L189 CegarLoopUtils]: For program point L959-1(line 959) no Hoare annotation was computed. [2020-12-22 06:56:20,583 INFO L189 CegarLoopUtils]: For program point L959-2(line 959) no Hoare annotation was computed. [2020-12-22 06:56:20,583 INFO L189 CegarLoopUtils]: For program point L728(lines 728 736) no Hoare annotation was computed. [2020-12-22 06:56:20,583 INFO L189 CegarLoopUtils]: For program point L728-1(lines 728 736) no Hoare annotation was computed. [2020-12-22 06:56:20,583 INFO L189 CegarLoopUtils]: For program point L728-2(lines 728 736) no Hoare annotation was computed. [2020-12-22 06:56:20,583 INFO L189 CegarLoopUtils]: For program point L728-3(lines 728 736) no Hoare annotation was computed. [2020-12-22 06:56:20,583 INFO L189 CegarLoopUtils]: For program point L728-4(lines 728 736) no Hoare annotation was computed. [2020-12-22 06:56:20,583 INFO L189 CegarLoopUtils]: For program point L728-5(lines 728 736) no Hoare annotation was computed. [2020-12-22 06:56:20,583 INFO L189 CegarLoopUtils]: For program point L497(line 497) no Hoare annotation was computed. [2020-12-22 06:56:20,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:20 BoogieIcfgContainer [2020-12-22 06:56:20,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:20,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:20,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:20,657 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:20,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:44" (3/4) ... [2020-12-22 06:56:20,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:20,697 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:20,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:20,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:20,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:20,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:20,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:20,706 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:20,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 0 && tmp == 0) && \result == 0) && tmp == 0) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) || (((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 0) && \result == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || ((((((methaneLevelCritical == 1 && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && tmp == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((waterLevel <= 1 && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && !(\result == 0)) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && !(tmp == 0)) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && !(\result == 0)) && splverifierCounter == 0) [2020-12-22 06:56:20,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((tmp == 0 && tmp == 0) && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((((((tmp == 0 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((((tmp == 0 && \result == 0) && !(tmp == 0)) && waterLevel == 1) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) && tmp == 0) && \result == 0)) || ((((methaneLevelCritical == 1 && ((((((tmp == 0 && !(tmp == 0)) && waterLevel == 1) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((tmp == 0 && 1 == systemActive) && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0))) && !(tmp == 0)) && !(\result == 0)) && !(\result == 0))) || ((((((methaneLevelCritical == 1 && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && tmp == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 1 && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && !(tmp == 0)) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0)) [2020-12-22 06:56:20,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) || (((((tmp == 0 && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && !(tmp == 0)) && waterLevel == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0)) || (((((tmp == 0 && tmp == 0) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || (methaneLevelCritical == 1 && ((((((tmp == 0 && !(tmp == 0)) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) || ((((tmp == 0 && 1 == systemActive) && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0)))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) [2020-12-22 06:56:20,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) || (((((tmp == 0 && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && !(tmp == 0)) && waterLevel == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0)) || (((((tmp == 0 && tmp == 0) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || (methaneLevelCritical == 1 && ((((((tmp == 0 && !(tmp == 0)) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) || ((((tmp == 0 && 1 == systemActive) && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0)))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) [2020-12-22 06:56:20,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((tmp == 0 && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((tmp == 0 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) [2020-12-22 06:56:20,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((waterLevel == 1 && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 0 && tmp == 0) && \result == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0))) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((((((((((!(\result == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 0) && \result == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) [2020-12-22 06:56:20,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && tmp == 0) && \result == 0) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || (((((((waterLevel == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0))) || ((((((((((((!(\result == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 0) && !(tmp == 0)) && \result == 0) && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || ((((((((((waterLevel == 1 && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:56:20,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((tmp == 0 && methaneLevelCritical == 1) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) [2020-12-22 06:56:20,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && methaneLevelCritical == 1) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0)) || ((((((tmp == 0 && \result == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:56:20,757 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1)) || (((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2020-12-22 06:56:20,761 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 0) && \result == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) || ((((((((tmp == 0 && tmp == 0) && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && tmp == 0) && \result <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((((((((((waterLevel == 1 && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) && tmp == 0) && tmp == 1) && methaneLevelCritical == 0) [2020-12-22 06:56:20,762 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && !(tmp___0 == 0)) || ((((((((waterLevel == 1 && tmp___0 == 0) && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((waterLevel == 1 && tmp___0 == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((waterLevel <= 1 && tmp___0 == 0) && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1)) || (((((((((waterLevel <= 1 && tmp___0 == 0) && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1)) || ((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:20,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && tmp == 0) && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && tmp == 0) && \result == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:20,766 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && !(tmp___0 == 0)) || ((((((((((!(\result == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:20,766 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 0 && !(\result == 0)) && !(tmp == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && !(tmp___0 == 0)) || (((((((((((!(\result == 0) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && tmp == 0) && !(tmp___0 == 0)) [2020-12-22 06:56:20,875 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product46.cil.c-witness.graphml [2020-12-22 06:56:20,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:20,876 INFO L168 Benchmark]: Toolchain (without parser) took 38124.99 ms. Allocated memory was 165.7 MB in the beginning and 576.7 MB in the end (delta: 411.0 MB). Free memory was 139.5 MB in the beginning and 483.7 MB in the end (delta: -344.3 MB). Peak memory consumption was 67.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:20,877 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 165.7 MB. Free memory is still 138.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:20,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.03 ms. Allocated memory is still 165.7 MB. Free memory was 139.2 MB in the beginning and 117.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:20,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.97 ms. Allocated memory is still 165.7 MB. Free memory was 117.6 MB in the beginning and 113.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:20,878 INFO L168 Benchmark]: Boogie Preprocessor took 75.63 ms. Allocated memory is still 165.7 MB. Free memory was 113.5 MB in the beginning and 145.8 MB in the end (delta: -32.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:20,878 INFO L168 Benchmark]: RCFGBuilder took 1129.08 ms. Allocated memory is still 165.7 MB. Free memory was 145.8 MB in the beginning and 77.1 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:20,879 INFO L168 Benchmark]: TraceAbstraction took 35977.03 ms. Allocated memory was 165.7 MB in the beginning and 576.7 MB in the end (delta: 411.0 MB). Free memory was 77.1 MB in the beginning and 495.8 MB in the end (delta: -418.7 MB). Peak memory consumption was 290.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:20,879 INFO L168 Benchmark]: Witness Printer took 217.85 ms. Allocated memory is still 576.7 MB. Free memory was 495.8 MB in the beginning and 483.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:20,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 165.7 MB. Free memory is still 138.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 622.03 ms. Allocated memory is still 165.7 MB. Free memory was 139.2 MB in the beginning and 117.6 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 90.97 ms. Allocated memory is still 165.7 MB. Free memory was 117.6 MB in the beginning and 113.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 75.63 ms. Allocated memory is still 165.7 MB. Free memory was 113.5 MB in the beginning and 145.8 MB in the end (delta: -32.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1129.08 ms. Allocated memory is still 165.7 MB. Free memory was 145.8 MB in the beginning and 77.1 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 35977.03 ms. Allocated memory was 165.7 MB in the beginning and 576.7 MB in the end (delta: 411.0 MB). Free memory was 77.1 MB in the beginning and 495.8 MB in the end (delta: -418.7 MB). Peak memory consumption was 290.7 MB. Max. memory is 8.0 GB. * Witness Printer took 217.85 ms. Allocated memory is still 576.7 MB. Free memory was 495.8 MB in the beginning and 483.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 959]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 959]: 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: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1)) || (((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && methaneLevelCritical == 1) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0)) || ((((((tmp == 0 && \result == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) || (((((tmp == 0 && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && !(tmp == 0)) && waterLevel == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0)) || (((((tmp == 0 && tmp == 0) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || (methaneLevelCritical == 1 && ((((((tmp == 0 && !(tmp == 0)) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) || ((((tmp == 0 && 1 == systemActive) && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0)))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) || (((((tmp == 0 && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && !(tmp == 0)) && waterLevel == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0)) || (((((tmp == 0 && tmp == 0) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || (methaneLevelCritical == 1 && ((((((tmp == 0 && !(tmp == 0)) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) || ((((tmp == 0 && 1 == systemActive) && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0)))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((tmp == 0 && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((tmp == 0 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && tmp == 0) && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && tmp == 0) && \result == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((((((((((((((waterLevel == 1 && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 0 && tmp == 0) && \result == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0))) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((((((((((!(\result == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 0) && \result == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 0) && \result == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) || ((((((((tmp == 0 && tmp == 0) && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && tmp == 0) && \result <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((((((((((waterLevel == 1 && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) && tmp == 0) && tmp == 1) && methaneLevelCritical == 0) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: ((((((((((((((((tmp == 0 && tmp == 0) && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((((((tmp == 0 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((((tmp == 0 && \result == 0) && !(tmp == 0)) && waterLevel == 1) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) && tmp == 0) && \result == 0)) || ((((methaneLevelCritical == 1 && ((((((tmp == 0 && !(tmp == 0)) && waterLevel == 1) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((tmp == 0 && 1 == systemActive) && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0))) && !(tmp == 0)) && !(\result == 0)) && !(\result == 0))) || ((((((methaneLevelCritical == 1 && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && tmp == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 1 && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && !(tmp == 0)) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0)) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && !(tmp___0 == 0)) || ((((((((waterLevel == 1 && tmp___0 == 0) && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((waterLevel == 1 && tmp___0 == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((waterLevel <= 1 && tmp___0 == 0) && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1)) || (((((((((waterLevel <= 1 && tmp___0 == 0) && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1)) || ((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && tmp == 0) && \result == 0) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || (((((((waterLevel == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0))) || ((((((((((((!(\result == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 0) && !(tmp == 0)) && \result == 0) && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || ((((((((((waterLevel == 1 && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (((((tmp == 0 && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((tmp == 0 && methaneLevelCritical == 1) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 0 && tmp == 0) && \result == 0) && tmp == 0) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) || (((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 0) && \result == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || ((((((methaneLevelCritical == 1 && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0))) || ((((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && tmp == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((waterLevel <= 1 && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && !(\result == 0)) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && tmp == 0) && methaneLevelCritical == 1) && !(tmp == 0)) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && !(\result == 0)) && splverifierCounter == 0) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && !(tmp___0 == 0)) || ((((((((((!(\result == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((((((((((\result == 0 && !(\result == 0)) && !(tmp == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && !(tmp___0 == 0)) || (((((((((((!(\result == 0) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && tmp == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 17, TraceHistogramMax: 3, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2025 SDtfs, 3100 SDslu, 4060 SDs, 0 SdLazy, 681 SolverSat, 120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 2953 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 352 NumberOfFragments, 2329 HoareAnnotationTreeSize, 58 FomulaSimplifications, 182559155 FormulaSimplificationTreeSizeReduction, 8.1s HoareSimplificationTime, 58 FomulaSimplificationsInter, 15632154 FormulaSimplificationTreeSizeReductionInter, 21.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 699 NumberOfCodeBlocks, 699 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 682 ConstructedInterpolants, 0 QuantifiedInterpolants, 54884 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 160/160 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...