/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:53,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:53,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:53,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:53,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:53,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:53,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:53,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:53,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:53,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:53,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:53,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:53,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:53,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:53,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:53,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:53,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:53,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:53,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:53,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:53,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:53,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:53,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:53,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:53,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:53,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:53,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:53,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:53,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:53,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:53,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:53,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:53,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:53,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:53,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:53,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:53,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:53,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:53,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:53,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:53,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:53,503 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:53,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:53,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:53,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:53,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:53,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:53,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:53,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:53,505 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:53,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:53,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:53,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:53,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:53,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:53,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:53,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:53,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:53,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:53,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:53,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:53,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:53,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:53,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:53,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:53,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:53,940 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:53,941 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:53,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2020-12-22 06:54:54,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be8ea175/702b9902698840fb959f33cb43f1ebc8/FLAG97f9a91d1 [2020-12-22 06:54:54,914 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:54,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2020-12-22 06:54:54,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be8ea175/702b9902698840fb959f33cb43f1ebc8/FLAG97f9a91d1 [2020-12-22 06:54:55,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be8ea175/702b9902698840fb959f33cb43f1ebc8 [2020-12-22 06:54:55,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:55,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:55,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:55,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:55,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:55,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a71b7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55, skipping insertion in model container [2020-12-22 06:54:55,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:55,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:55,533 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[18716,18729] [2020-12-22 06:54:55,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:55,554 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:55,696 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[18716,18729] [2020-12-22 06:54:55,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:55,746 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:55,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55 WrapperNode [2020-12-22 06:54:55,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:55,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:55,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:55,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:55,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:55,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:55,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:55,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:55,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (1/1) ... [2020-12-22 06:54:55,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:55,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:55,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:55,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:55,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:57,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:57,417 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2020-12-22 06:54:57,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:57 BoogieIcfgContainer [2020-12-22 06:54:57,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:57,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:57,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:57,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:57,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:55" (1/3) ... [2020-12-22 06:54:57,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c3c5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:57, skipping insertion in model container [2020-12-22 06:54:57,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:55" (2/3) ... [2020-12-22 06:54:57,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c3c5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:57, skipping insertion in model container [2020-12-22 06:54:57,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:57" (3/3) ... [2020-12-22 06:54:57,440 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2020-12-22 06:54:57,447 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:57,454 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:57,475 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:57,521 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:57,521 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:57,522 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:57,522 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:57,522 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:57,522 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:57,522 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:57,523 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:57,544 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2020-12-22 06:54:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:57,551 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:57,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:57,552 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:57,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:57,559 INFO L82 PathProgramCache]: Analyzing trace with hash -859371484, now seen corresponding path program 1 times [2020-12-22 06:54:57,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:57,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080969543] [2020-12-22 06:54:57,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:57,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080969543] [2020-12-22 06:54:57,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:57,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:57,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279590541] [2020-12-22 06:54:57,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:57,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:57,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:57,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:57,926 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2020-12-22 06:54:57,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:57,997 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2020-12-22 06:54:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:57,999 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:58,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:58,018 INFO L225 Difference]: With dead ends: 271 [2020-12-22 06:54:58,019 INFO L226 Difference]: Without dead ends: 135 [2020-12-22 06:54:58,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:58,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-12-22 06:54:58,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-12-22 06:54:58,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-12-22 06:54:58,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2020-12-22 06:54:58,121 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2020-12-22 06:54:58,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:58,122 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2020-12-22 06:54:58,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:58,122 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2020-12-22 06:54:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:58,125 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:58,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:58,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:58,127 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:58,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:58,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1078207453, now seen corresponding path program 1 times [2020-12-22 06:54:58,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:58,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893371174] [2020-12-22 06:54:58,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:58,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893371174] [2020-12-22 06:54:58,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:58,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:58,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685243712] [2020-12-22 06:54:58,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:58,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:58,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:58,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:58,341 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2020-12-22 06:54:58,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:58,373 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2020-12-22 06:54:58,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:58,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:58,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:58,377 INFO L225 Difference]: With dead ends: 135 [2020-12-22 06:54:58,377 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:54:58,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:58,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:54:58,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:54:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:54:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-12-22 06:54:58,390 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-12-22 06:54:58,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:58,391 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-12-22 06:54:58,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-12-22 06:54:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:58,393 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:58,393 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:58,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:58,394 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:58,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:58,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2020-12-22 06:54:58,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:58,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871970576] [2020-12-22 06:54:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:58,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871970576] [2020-12-22 06:54:58,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:58,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:58,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999969947] [2020-12-22 06:54:58,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:58,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:58,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:58,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:58,533 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-12-22 06:54:58,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:58,703 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-12-22 06:54:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:58,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-22 06:54:58,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:58,705 INFO L225 Difference]: With dead ends: 103 [2020-12-22 06:54:58,705 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:54:58,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:54:58,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:54:58,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:54:58,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:54:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-12-22 06:54:58,712 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-12-22 06:54:58,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:58,713 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-12-22 06:54:58,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-12-22 06:54:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:58,714 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:58,714 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 06:54:58,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:58,715 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:58,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:58,716 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2020-12-22 06:54:58,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:58,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822939755] [2020-12-22 06:54:58,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:58,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822939755] [2020-12-22 06:54:58,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:58,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:58,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309522334] [2020-12-22 06:54:58,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:58,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:58,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:58,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:58,775 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-12-22 06:54:58,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:58,805 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2020-12-22 06:54:58,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:58,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:54:58,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:58,807 INFO L225 Difference]: With dead ends: 125 [2020-12-22 06:54:58,807 INFO L226 Difference]: Without dead ends: 77 [2020-12-22 06:54:58,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:58,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-12-22 06:54:58,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2020-12-22 06:54:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-22 06:54:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-12-22 06:54:58,816 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2020-12-22 06:54:58,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:58,817 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-12-22 06:54:58,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:58,817 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-12-22 06:54:58,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:58,818 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:58,818 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 06:54:58,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:58,819 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:58,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:58,820 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2020-12-22 06:54:58,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:58,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880126356] [2020-12-22 06:54:58,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:58,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880126356] [2020-12-22 06:54:58,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:58,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:58,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987013902] [2020-12-22 06:54:58,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:58,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:58,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:58,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:58,898 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-12-22 06:54:58,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:58,947 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2020-12-22 06:54:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:58,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-12-22 06:54:58,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:58,951 INFO L225 Difference]: With dead ends: 194 [2020-12-22 06:54:58,951 INFO L226 Difference]: Without dead ends: 126 [2020-12-22 06:54:58,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:58,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-12-22 06:54:58,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2020-12-22 06:54:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-22 06:54:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-12-22 06:54:58,981 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2020-12-22 06:54:58,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:58,981 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-12-22 06:54:58,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-12-22 06:54:58,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:58,988 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:58,988 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 06:54:58,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:58,988 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:58,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:58,989 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2020-12-22 06:54:58,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:58,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234343618] [2020-12-22 06:54:58,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:59,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234343618] [2020-12-22 06:54:59,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:59,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:59,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019780448] [2020-12-22 06:54:59,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:59,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:59,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:59,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:59,119 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2020-12-22 06:54:59,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:59,281 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2020-12-22 06:54:59,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:59,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:54:59,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:59,285 INFO L225 Difference]: With dead ends: 622 [2020-12-22 06:54:59,285 INFO L226 Difference]: Without dead ends: 505 [2020-12-22 06:54:59,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:59,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-12-22 06:54:59,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2020-12-22 06:54:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-12-22 06:54:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2020-12-22 06:54:59,321 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2020-12-22 06:54:59,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:59,322 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2020-12-22 06:54:59,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2020-12-22 06:54:59,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:59,323 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:59,324 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 06:54:59,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:54:59,324 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:59,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:59,325 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2020-12-22 06:54:59,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:59,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384430690] [2020-12-22 06:54:59,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:59,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384430690] [2020-12-22 06:54:59,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:59,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:59,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970871864] [2020-12-22 06:54:59,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:59,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:59,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:59,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:59,396 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2020-12-22 06:54:59,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:59,535 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2020-12-22 06:54:59,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:54:59,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:59,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:59,540 INFO L225 Difference]: With dead ends: 865 [2020-12-22 06:54:59,540 INFO L226 Difference]: Without dead ends: 645 [2020-12-22 06:54:59,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:59,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-12-22 06:54:59,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2020-12-22 06:54:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-22 06:54:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2020-12-22 06:54:59,566 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2020-12-22 06:54:59,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:59,567 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2020-12-22 06:54:59,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:59,567 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2020-12-22 06:54:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:54:59,568 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:59,568 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 06:54:59,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:54:59,569 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:59,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:59,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2020-12-22 06:54:59,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:59,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354416201] [2020-12-22 06:54:59,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:59,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354416201] [2020-12-22 06:54:59,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:59,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:59,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085571506] [2020-12-22 06:54:59,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:59,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:59,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:59,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:59,628 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2020-12-22 06:54:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:59,708 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2020-12-22 06:54:59,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:59,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:54:59,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:59,711 INFO L225 Difference]: With dead ends: 609 [2020-12-22 06:54:59,711 INFO L226 Difference]: Without dead ends: 391 [2020-12-22 06:54:59,712 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 06:54:59,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-12-22 06:54:59,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2020-12-22 06:54:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-12-22 06:54:59,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2020-12-22 06:54:59,735 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2020-12-22 06:54:59,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:59,735 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2020-12-22 06:54:59,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:59,735 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2020-12-22 06:54:59,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:54:59,736 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:59,737 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 06:54:59,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:54:59,737 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:59,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:59,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2020-12-22 06:54:59,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:59,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368598370] [2020-12-22 06:54:59,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:59,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:59,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368598370] [2020-12-22 06:54:59,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:59,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:54:59,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380589928] [2020-12-22 06:54:59,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:59,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:59,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:59,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:59,824 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 6 states. [2020-12-22 06:54:59,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:59,915 INFO L93 Difference]: Finished difference Result 550 states and 732 transitions. [2020-12-22 06:54:59,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:54:59,916 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-12-22 06:54:59,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:59,918 INFO L225 Difference]: With dead ends: 550 [2020-12-22 06:54:59,918 INFO L226 Difference]: Without dead ends: 314 [2020-12-22 06:54:59,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:54:59,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-12-22 06:54:59,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 204. [2020-12-22 06:54:59,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 06:54:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2020-12-22 06:54:59,941 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2020-12-22 06:54:59,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:59,941 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2020-12-22 06:54:59,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:59,941 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2020-12-22 06:54:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:54:59,942 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:59,942 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 06:54:59,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:54:59,943 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:59,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:59,943 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2020-12-22 06:54:59,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:59,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118075334] [2020-12-22 06:54:59,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:00,004 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 06:55:00,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118075334] [2020-12-22 06:55:00,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:00,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:00,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970402182] [2020-12-22 06:55:00,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:00,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:00,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:00,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:00,007 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2020-12-22 06:55:00,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:00,261 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2020-12-22 06:55:00,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:55:00,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-12-22 06:55:00,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:00,265 INFO L225 Difference]: With dead ends: 615 [2020-12-22 06:55:00,265 INFO L226 Difference]: Without dead ends: 418 [2020-12-22 06:55:00,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:55:00,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-12-22 06:55:00,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2020-12-22 06:55:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 06:55:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2020-12-22 06:55:00,292 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2020-12-22 06:55:00,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:00,293 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2020-12-22 06:55:00,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:00,293 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2020-12-22 06:55:00,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:55:00,294 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:00,294 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:00,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:55:00,294 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:00,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:00,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1177012586, now seen corresponding path program 1 times [2020-12-22 06:55:00,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:00,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254709062] [2020-12-22 06:55:00,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:00,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:55:00,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254709062] [2020-12-22 06:55:00,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:00,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:55:00,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375993526] [2020-12-22 06:55:00,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:55:00,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:00,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:55:00,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:00,378 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2020-12-22 06:55:00,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:00,515 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2020-12-22 06:55:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:00,515 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-12-22 06:55:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:00,518 INFO L225 Difference]: With dead ends: 516 [2020-12-22 06:55:00,518 INFO L226 Difference]: Without dead ends: 369 [2020-12-22 06:55:00,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:55:00,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-12-22 06:55:00,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2020-12-22 06:55:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-12-22 06:55:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2020-12-22 06:55:00,546 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2020-12-22 06:55:00,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:00,546 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2020-12-22 06:55:00,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:55:00,547 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2020-12-22 06:55:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:55:00,548 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:00,548 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:00,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:55:00,548 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:00,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:00,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1435178024, now seen corresponding path program 1 times [2020-12-22 06:55:00,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:00,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74401134] [2020-12-22 06:55:00,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:00,604 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 06:55:00,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74401134] [2020-12-22 06:55:00,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:00,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:00,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912905952] [2020-12-22 06:55:00,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:00,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:00,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:00,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:00,607 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2020-12-22 06:55:00,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:00,668 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2020-12-22 06:55:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:00,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-22 06:55:00,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:00,671 INFO L225 Difference]: With dead ends: 331 [2020-12-22 06:55:00,671 INFO L226 Difference]: Without dead ends: 329 [2020-12-22 06:55:00,671 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 06:55:00,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-12-22 06:55:00,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2020-12-22 06:55:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-22 06:55:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2020-12-22 06:55:00,701 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2020-12-22 06:55:00,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:00,701 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2020-12-22 06:55:00,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:00,702 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2020-12-22 06:55:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:55:00,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:00,703 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-12-22 06:55:00,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:55:00,703 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:00,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:00,704 INFO L82 PathProgramCache]: Analyzing trace with hash 200937625, now seen corresponding path program 1 times [2020-12-22 06:55:00,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:00,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65775155] [2020-12-22 06:55:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:00,858 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:55:00,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65775155] [2020-12-22 06:55:00,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:00,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:00,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816235385] [2020-12-22 06:55:00,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:00,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:00,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:00,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:00,861 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2020-12-22 06:55:01,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:01,145 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2020-12-22 06:55:01,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:01,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:55:01,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:01,148 INFO L225 Difference]: With dead ends: 589 [2020-12-22 06:55:01,149 INFO L226 Difference]: Without dead ends: 410 [2020-12-22 06:55:01,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:01,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-12-22 06:55:01,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2020-12-22 06:55:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-12-22 06:55:01,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2020-12-22 06:55:01,185 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2020-12-22 06:55:01,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:01,186 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2020-12-22 06:55:01,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:01,186 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2020-12-22 06:55:01,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:55:01,187 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:01,188 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:01,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:55:01,188 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:01,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:01,189 INFO L82 PathProgramCache]: Analyzing trace with hash -820130729, now seen corresponding path program 1 times [2020-12-22 06:55:01,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:01,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260042947] [2020-12-22 06:55:01,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:01,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260042947] [2020-12-22 06:55:01,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925043578] [2020-12-22 06:55:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:55:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:01,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:55:01,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:01,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:55:01,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-22 06:55:01,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051920750] [2020-12-22 06:55:01,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:01,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:01,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:01,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:01,568 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2020-12-22 06:55:01,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:01,756 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2020-12-22 06:55:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:01,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-12-22 06:55:01,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:01,759 INFO L225 Difference]: With dead ends: 559 [2020-12-22 06:55:01,759 INFO L226 Difference]: Without dead ends: 294 [2020-12-22 06:55:01,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-12-22 06:55:01,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2020-12-22 06:55:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-12-22 06:55:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2020-12-22 06:55:01,821 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2020-12-22 06:55:01,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:01,821 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2020-12-22 06:55:01,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2020-12-22 06:55:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-22 06:55:01,823 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:01,823 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-12-22 06:55:02,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 06:55:02,037 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:02,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:02,038 INFO L82 PathProgramCache]: Analyzing trace with hash 364797879, now seen corresponding path program 2 times [2020-12-22 06:55:02,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:02,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942691856] [2020-12-22 06:55:02,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:02,186 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 06:55:02,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942691856] [2020-12-22 06:55:02,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:02,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:02,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038924451] [2020-12-22 06:55:02,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:02,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:02,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:02,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:02,189 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2020-12-22 06:55:02,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:02,652 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2020-12-22 06:55:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:02,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-12-22 06:55:02,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:02,653 INFO L225 Difference]: With dead ends: 608 [2020-12-22 06:55:02,653 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:55:02,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:02,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:55:02,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:55:02,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:55:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:55:02,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-12-22 06:55:02,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:02,656 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:55:02,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:55:02,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:55:02,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 06:55:02,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:55:02,901 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2020-12-22 06:55:03,156 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 137 [2020-12-22 06:55:03,389 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 114 [2020-12-22 06:55:03,600 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 125 [2020-12-22 06:55:03,787 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 129 [2020-12-22 06:55:04,135 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 164 [2020-12-22 06:55:04,591 WARN L197 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 160 [2020-12-22 06:55:04,915 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 176 [2020-12-22 06:55:05,392 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2020-12-22 06:55:05,516 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2020-12-22 06:55:06,211 WARN L197 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-12-22 06:55:06,420 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 24 [2020-12-22 06:55:06,923 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 31 [2020-12-22 06:55:07,130 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-12-22 06:55:07,673 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2020-12-22 06:55:07,856 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2020-12-22 06:55:08,354 WARN L197 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 38 [2020-12-22 06:55:08,610 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-12-22 06:55:09,420 WARN L197 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 30 [2020-12-22 06:55:10,108 WARN L197 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 40 [2020-12-22 06:55:10,983 WARN L197 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-12-22 06:55:11,020 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2020-12-22 06:55:11,021 INFO L185 CegarLoopUtils]: At program point L300(lines 295 302) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:11,021 INFO L189 CegarLoopUtils]: For program point L400(lines 400 417) no Hoare annotation was computed. [2020-12-22 06:55:11,021 INFO L189 CegarLoopUtils]: For program point L400-1(lines 400 417) no Hoare annotation was computed. [2020-12-22 06:55:11,021 INFO L189 CegarLoopUtils]: For program point L400-2(lines 400 417) no Hoare annotation was computed. [2020-12-22 06:55:11,021 INFO L185 CegarLoopUtils]: At program point L203-2(lines 203 217) the Hoare annotation is: false [2020-12-22 06:55:11,021 INFO L189 CegarLoopUtils]: For program point L204(line 204) no Hoare annotation was computed. [2020-12-22 06:55:11,021 INFO L189 CegarLoopUtils]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-12-22 06:55:11,022 INFO L189 CegarLoopUtils]: For program point L171-1(lines 171 177) no Hoare annotation was computed. [2020-12-22 06:55:11,022 INFO L189 CegarLoopUtils]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2020-12-22 06:55:11,022 INFO L189 CegarLoopUtils]: For program point L171-3(lines 171 177) no Hoare annotation was computed. [2020-12-22 06:55:11,022 INFO L189 CegarLoopUtils]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2020-12-22 06:55:11,022 INFO L189 CegarLoopUtils]: For program point L171-5(lines 171 177) no Hoare annotation was computed. [2020-12-22 06:55:11,022 INFO L189 CegarLoopUtils]: For program point L106(lines 106 110) no Hoare annotation was computed. [2020-12-22 06:55:11,022 INFO L189 CegarLoopUtils]: For program point L437(lines 437 443) no Hoare annotation was computed. [2020-12-22 06:55:11,022 INFO L189 CegarLoopUtils]: For program point L404(lines 404 412) no Hoare annotation was computed. [2020-12-22 06:55:11,023 INFO L189 CegarLoopUtils]: For program point L437-2(lines 437 443) no Hoare annotation was computed. [2020-12-22 06:55:11,023 INFO L189 CegarLoopUtils]: For program point L404-1(lines 404 412) no Hoare annotation was computed. [2020-12-22 06:55:11,023 INFO L189 CegarLoopUtils]: For program point L404-2(lines 404 412) no Hoare annotation was computed. [2020-12-22 06:55:11,023 INFO L189 CegarLoopUtils]: For program point L437-4(lines 437 443) no Hoare annotation was computed. [2020-12-22 06:55:11,023 INFO L189 CegarLoopUtils]: For program point L437-6(lines 437 443) no Hoare annotation was computed. [2020-12-22 06:55:11,023 INFO L189 CegarLoopUtils]: For program point L437-8(lines 437 443) no Hoare annotation was computed. [2020-12-22 06:55:11,023 INFO L189 CegarLoopUtils]: For program point L437-10(lines 437 443) no Hoare annotation was computed. [2020-12-22 06:55:11,023 INFO L189 CegarLoopUtils]: For program point L570(lines 570 576) no Hoare annotation was computed. [2020-12-22 06:55:11,024 INFO L185 CegarLoopUtils]: At program point L570-1(lines 570 576) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse5 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-12-22 06:55:11,024 INFO L185 CegarLoopUtils]: At program point L471(lines 466 474) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:55:11,024 INFO L185 CegarLoopUtils]: At program point L471-1(lines 466 474) the Hoare annotation is: false [2020-12-22 06:55:11,024 INFO L185 CegarLoopUtils]: At program point L471-2(lines 466 474) the Hoare annotation is: false [2020-12-22 06:55:11,024 INFO L189 CegarLoopUtils]: For program point L207(lines 207 211) no Hoare annotation was computed. [2020-12-22 06:55:11,025 INFO L189 CegarLoopUtils]: For program point L207-1(lines 342 348) no Hoare annotation was computed. [2020-12-22 06:55:11,025 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:11,025 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2020-12-22 06:55:11,025 INFO L189 CegarLoopUtils]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-12-22 06:55:11,025 INFO L189 CegarLoopUtils]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2020-12-22 06:55:11,025 INFO L189 CegarLoopUtils]: For program point L539-3(lines 539 543) no Hoare annotation was computed. [2020-12-22 06:55:11,026 INFO L189 CegarLoopUtils]: For program point L374(lines 374 391) no Hoare annotation was computed. [2020-12-22 06:55:11,026 INFO L189 CegarLoopUtils]: For program point L539-5(lines 539 543) no Hoare annotation was computed. [2020-12-22 06:55:11,026 INFO L189 CegarLoopUtils]: For program point L374-1(lines 374 391) no Hoare annotation was computed. [2020-12-22 06:55:11,026 INFO L189 CegarLoopUtils]: For program point L539-6(lines 539 543) no Hoare annotation was computed. [2020-12-22 06:55:11,026 INFO L189 CegarLoopUtils]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-12-22 06:55:11,026 INFO L189 CegarLoopUtils]: For program point L374-3(lines 374 391) no Hoare annotation was computed. [2020-12-22 06:55:11,026 INFO L189 CegarLoopUtils]: For program point L539-8(lines 539 543) no Hoare annotation was computed. [2020-12-22 06:55:11,027 INFO L189 CegarLoopUtils]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-12-22 06:55:11,027 INFO L189 CegarLoopUtils]: For program point L374-5(lines 374 391) no Hoare annotation was computed. [2020-12-22 06:55:11,027 INFO L185 CegarLoopUtils]: At program point L176(lines 167 180) the Hoare annotation is: false [2020-12-22 06:55:11,027 INFO L185 CegarLoopUtils]: At program point L176-1(lines 167 180) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse9 .cse5 .cse6) (and .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse9 .cse5 .cse6))) [2020-12-22 06:55:11,027 INFO L185 CegarLoopUtils]: At program point L176-2(lines 167 180) the Hoare annotation is: false [2020-12-22 06:55:11,027 INFO L185 CegarLoopUtils]: At program point L176-3(lines 167 180) the Hoare annotation is: false [2020-12-22 06:55:11,027 INFO L185 CegarLoopUtils]: At program point L176-4(lines 167 180) the Hoare annotation is: false [2020-12-22 06:55:11,028 INFO L185 CegarLoopUtils]: At program point L176-5(lines 167 180) the Hoare annotation is: false [2020-12-22 06:55:11,028 INFO L185 CegarLoopUtils]: At program point L606(lines 559 607) the Hoare annotation is: false [2020-12-22 06:55:11,028 INFO L185 CegarLoopUtils]: At program point L342(lines 341 360) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse1 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse5 .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:55:11,028 INFO L189 CegarLoopUtils]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2020-12-22 06:55:11,028 INFO L185 CegarLoopUtils]: At program point L342-2(lines 341 360) the Hoare annotation is: false [2020-12-22 06:55:11,028 INFO L185 CegarLoopUtils]: At program point L342-3(lines 341 360) the Hoare annotation is: false [2020-12-22 06:55:11,029 INFO L189 CegarLoopUtils]: For program point L311(lines 311 328) no Hoare annotation was computed. [2020-12-22 06:55:11,029 INFO L189 CegarLoopUtils]: For program point L278(lines 278 285) no Hoare annotation was computed. [2020-12-22 06:55:11,029 INFO L185 CegarLoopUtils]: At program point L311-1(lines 1 988) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~0 1) .cse6 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-12-22 06:55:11,029 INFO L189 CegarLoopUtils]: For program point L311-2(lines 311 328) no Hoare annotation was computed. [2020-12-22 06:55:11,029 INFO L192 CegarLoopUtils]: At program point L278-1(lines 278 285) the Hoare annotation is: true [2020-12-22 06:55:11,029 INFO L185 CegarLoopUtils]: At program point L311-3(lines 1 988) the Hoare annotation is: false [2020-12-22 06:55:11,029 INFO L189 CegarLoopUtils]: For program point L311-4(lines 311 328) no Hoare annotation was computed. [2020-12-22 06:55:11,030 INFO L185 CegarLoopUtils]: At program point L311-5(lines 1 988) the Hoare annotation is: false [2020-12-22 06:55:11,030 INFO L189 CegarLoopUtils]: For program point L378(lines 378 386) no Hoare annotation was computed. [2020-12-22 06:55:11,030 INFO L189 CegarLoopUtils]: For program point L378-1(lines 378 386) no Hoare annotation was computed. [2020-12-22 06:55:11,030 INFO L189 CegarLoopUtils]: For program point L378-2(lines 378 386) no Hoare annotation was computed. [2020-12-22 06:55:11,030 INFO L189 CegarLoopUtils]: For program point L378-3(lines 378 386) no Hoare annotation was computed. [2020-12-22 06:55:11,030 INFO L189 CegarLoopUtils]: For program point L378-4(lines 378 386) no Hoare annotation was computed. [2020-12-22 06:55:11,030 INFO L189 CegarLoopUtils]: For program point L378-5(lines 378 386) no Hoare annotation was computed. [2020-12-22 06:55:11,031 INFO L185 CegarLoopUtils]: At program point L545(lines 530 548) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0))) (.cse1 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-12-22 06:55:11,031 INFO L185 CegarLoopUtils]: At program point L545-1(lines 530 548) the Hoare annotation is: false [2020-12-22 06:55:11,031 INFO L185 CegarLoopUtils]: At program point L545-2(lines 530 548) the Hoare annotation is: false [2020-12-22 06:55:11,031 INFO L189 CegarLoopUtils]: For program point L315(lines 315 325) no Hoare annotation was computed. [2020-12-22 06:55:11,031 INFO L189 CegarLoopUtils]: For program point L315-2(lines 315 325) no Hoare annotation was computed. [2020-12-22 06:55:11,031 INFO L189 CegarLoopUtils]: For program point L315-4(lines 315 325) no Hoare annotation was computed. [2020-12-22 06:55:11,031 INFO L189 CegarLoopUtils]: For program point L580(lines 580 586) no Hoare annotation was computed. [2020-12-22 06:55:11,032 INFO L185 CegarLoopUtils]: At program point L580-1(lines 580 586) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~0 1) .cse1 .cse6 .cse7 .cse3 .cse4 .cse5 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse8) (and .cse9 .cse0 .cse6 .cse3 .cse7 .cse4 .cse5 .cse8))) [2020-12-22 06:55:11,032 INFO L185 CegarLoopUtils]: At program point L349(lines 349 355) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 .cse5 .cse2 .cse6 .cse3 .cse4))) [2020-12-22 06:55:11,032 INFO L189 CegarLoopUtils]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-12-22 06:55:11,032 INFO L185 CegarLoopUtils]: At program point L349-1(lines 349 355) the Hoare annotation is: false [2020-12-22 06:55:11,032 INFO L185 CegarLoopUtils]: At program point L349-2(lines 349 355) the Hoare annotation is: false [2020-12-22 06:55:11,032 INFO L189 CegarLoopUtils]: For program point L316-2(lines 316 322) no Hoare annotation was computed. [2020-12-22 06:55:11,032 INFO L189 CegarLoopUtils]: For program point L316-4(lines 316 322) no Hoare annotation was computed. [2020-12-22 06:55:11,033 INFO L189 CegarLoopUtils]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-12-22 06:55:11,033 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:55:11,033 INFO L185 CegarLoopUtils]: At program point L252(lines 248 254) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:11,033 INFO L185 CegarLoopUtils]: At program point L186(lines 181 189) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)))) [2020-12-22 06:55:11,033 INFO L185 CegarLoopUtils]: At program point L186-1(lines 181 189) the Hoare annotation is: false [2020-12-22 06:55:11,034 INFO L185 CegarLoopUtils]: At program point L186-2(lines 181 189) the Hoare annotation is: false [2020-12-22 06:55:11,034 INFO L192 CegarLoopUtils]: At program point L287(lines 268 290) the Hoare annotation is: true [2020-12-22 06:55:11,034 INFO L189 CegarLoopUtils]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,034 INFO L189 CegarLoopUtils]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,034 INFO L189 CegarLoopUtils]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,034 INFO L189 CegarLoopUtils]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,034 INFO L189 CegarLoopUtils]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,034 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:55:11,035 INFO L189 CegarLoopUtils]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,035 INFO L189 CegarLoopUtils]: For program point L520-9(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,035 INFO L189 CegarLoopUtils]: For program point L520-11(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,035 INFO L189 CegarLoopUtils]: For program point L520-12(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,035 INFO L189 CegarLoopUtils]: For program point L520-14(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,035 INFO L189 CegarLoopUtils]: For program point L520-15(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,035 INFO L189 CegarLoopUtils]: For program point L520-17(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:55:11,035 INFO L189 CegarLoopUtils]: For program point L985(line 985) no Hoare annotation was computed. [2020-12-22 06:55:11,036 INFO L189 CegarLoopUtils]: For program point L985-1(line 985) no Hoare annotation was computed. [2020-12-22 06:55:11,036 INFO L189 CegarLoopUtils]: For program point L985-2(line 985) no Hoare annotation was computed. [2020-12-22 06:55:11,036 INFO L189 CegarLoopUtils]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-12-22 06:55:11,036 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:55:11,036 INFO L189 CegarLoopUtils]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2020-12-22 06:55:11,036 INFO L189 CegarLoopUtils]: For program point L94-6(lines 94 98) no Hoare annotation was computed. [2020-12-22 06:55:11,036 INFO L189 CegarLoopUtils]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-12-22 06:55:11,036 INFO L185 CegarLoopUtils]: At program point L526(lines 511 529) the Hoare annotation is: false [2020-12-22 06:55:11,037 INFO L185 CegarLoopUtils]: At program point L526-1(lines 511 529) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse2 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse2 .cse3 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-12-22 06:55:11,037 INFO L185 CegarLoopUtils]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2020-12-22 06:55:11,037 INFO L185 CegarLoopUtils]: At program point L526-3(lines 511 529) the Hoare annotation is: false [2020-12-22 06:55:11,037 INFO L185 CegarLoopUtils]: At program point L526-4(lines 511 529) the Hoare annotation is: false [2020-12-22 06:55:11,037 INFO L185 CegarLoopUtils]: At program point L526-5(lines 511 529) the Hoare annotation is: false [2020-12-22 06:55:11,038 INFO L185 CegarLoopUtils]: At program point L131(lines 126 134) the Hoare annotation is: false [2020-12-22 06:55:11,038 INFO L185 CegarLoopUtils]: At program point L131-1(lines 126 134) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:55:11,038 INFO L185 CegarLoopUtils]: At program point L131-2(lines 126 134) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-12-22 06:55:11,038 INFO L185 CegarLoopUtils]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2020-12-22 06:55:11,038 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:55:11,039 INFO L185 CegarLoopUtils]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2020-12-22 06:55:11,039 INFO L185 CegarLoopUtils]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2020-12-22 06:55:11,039 INFO L185 CegarLoopUtils]: At program point L131-6(lines 126 134) the Hoare annotation is: false [2020-12-22 06:55:11,039 INFO L185 CegarLoopUtils]: At program point L131-7(lines 126 134) the Hoare annotation is: false [2020-12-22 06:55:11,039 INFO L185 CegarLoopUtils]: At program point L131-8(lines 126 134) the Hoare annotation is: false [2020-12-22 06:55:11,039 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2020-12-22 06:55:11,040 INFO L189 CegarLoopUtils]: For program point L561(lines 560 605) no Hoare annotation was computed. [2020-12-22 06:55:11,040 INFO L185 CegarLoopUtils]: At program point L462(lines 455 465) the Hoare annotation is: false [2020-12-22 06:55:11,040 INFO L185 CegarLoopUtils]: At program point L462-1(lines 455 465) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:55:11,040 INFO L185 CegarLoopUtils]: At program point L462-2(lines 455 465) the Hoare annotation is: false [2020-12-22 06:55:11,040 INFO L185 CegarLoopUtils]: At program point L462-3(lines 455 465) the Hoare annotation is: false [2020-12-22 06:55:11,040 INFO L185 CegarLoopUtils]: At program point L462-4(lines 455 465) the Hoare annotation is: false [2020-12-22 06:55:11,041 INFO L185 CegarLoopUtils]: At program point L462-5(lines 455 465) the Hoare annotation is: false [2020-12-22 06:55:11,041 INFO L189 CegarLoopUtils]: For program point L562(lines 562 566) no Hoare annotation was computed. [2020-12-22 06:55:11,041 INFO L185 CegarLoopUtils]: At program point L67(lines 1 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:11,041 INFO L189 CegarLoopUtils]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-12-22 06:55:11,041 INFO L189 CegarLoopUtils]: For program point L596-2(lines 342 348) no Hoare annotation was computed. [2020-12-22 06:55:11,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:11 BoogieIcfgContainer [2020-12-22 06:55:11,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:11,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:11,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:11,105 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:11,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:57" (3/4) ... [2020-12-22 06:55:11,118 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:55:11,159 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:55:11,161 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:55:11,163 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:55:11,164 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:55:11,166 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:55:11,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:11,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:11,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:55:11,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:55:11,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:55:11,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || (((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:55:11,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:55:11,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:55:11,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-12-22 06:55:11,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-12-22 06:55:11,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-12-22 06:55:11,212 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:55:11,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-12-22 06:55:11,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1 [2020-12-22 06:55:11,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 1 && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((((!(tmp___0 == 0) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-12-22 06:55:11,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-12-22 06:55:11,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) [2020-12-22 06:55:11,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) [2020-12-22 06:55:11,361 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product57.cil.c-witness.graphml [2020-12-22 06:55:11,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:11,363 INFO L168 Benchmark]: Toolchain (without parser) took 16213.89 ms. Allocated memory was 161.5 MB in the beginning and 338.7 MB in the end (delta: 177.2 MB). Free memory was 136.1 MB in the beginning and 186.2 MB in the end (delta: -50.1 MB). Peak memory consumption was 127.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:11,363 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 161.5 MB. Free memory is still 133.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:11,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.54 ms. Allocated memory is still 161.5 MB. Free memory was 135.9 MB in the beginning and 114.0 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:11,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.20 ms. Allocated memory is still 161.5 MB. Free memory was 114.0 MB in the beginning and 142.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:11,364 INFO L168 Benchmark]: Boogie Preprocessor took 106.06 ms. Allocated memory is still 161.5 MB. Free memory was 142.9 MB in the beginning and 140.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:11,366 INFO L168 Benchmark]: RCFGBuilder took 1429.76 ms. Allocated memory is still 161.5 MB. Free memory was 139.8 MB in the beginning and 71.6 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:11,367 INFO L168 Benchmark]: TraceAbstraction took 13677.31 ms. Allocated memory was 161.5 MB in the beginning and 338.7 MB in the end (delta: 177.2 MB). Free memory was 71.1 MB in the beginning and 198.8 MB in the end (delta: -127.7 MB). Peak memory consumption was 130.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:11,367 INFO L168 Benchmark]: Witness Printer took 256.86 ms. Allocated memory is still 338.7 MB. Free memory was 198.3 MB in the beginning and 186.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:11,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 161.5 MB. Free memory is still 133.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 593.54 ms. Allocated memory is still 161.5 MB. Free memory was 135.9 MB in the beginning and 114.0 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 133.20 ms. Allocated memory is still 161.5 MB. Free memory was 114.0 MB in the beginning and 142.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 106.06 ms. Allocated memory is still 161.5 MB. Free memory was 142.9 MB in the beginning and 140.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1429.76 ms. Allocated memory is still 161.5 MB. Free memory was 139.8 MB in the beginning and 71.6 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13677.31 ms. Allocated memory was 161.5 MB in the beginning and 338.7 MB in the end (delta: 177.2 MB). Free memory was 71.1 MB in the beginning and 198.8 MB in the end (delta: -127.7 MB). Peak memory consumption was 130.3 MB. Max. memory is 8.0 GB. * Witness Printer took 256.86 ms. Allocated memory is still 338.7 MB. Free memory was 198.3 MB in the beginning and 186.2 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: 985]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 985]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 985]: 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: 570]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: (((((((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 1 && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((((!(tmp___0 == 0) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || (((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1686 SDtfs, 2465 SDslu, 2570 SDs, 0 SdLazy, 364 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1587 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1028 HoareAnnotationTreeSize, 55 FomulaSimplifications, 3678299 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 952125 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 77551 SizeOfPredicates, 0 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 211/237 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...