/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_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:48,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:48,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:48,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:54:48,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:48,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:48,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:48,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:48,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:48,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:48,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:48,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:48,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:48,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:48,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:48,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:48,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:48,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:48,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:48,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:48,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:48,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:48,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:48,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:48,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:48,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:48,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:48,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:48,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:48,489 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:48,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:48,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:48,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:48,494 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:48,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:48,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:48,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:48,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:48,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:48,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:48,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:48,497 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:48,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:48,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:48,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:48,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:48,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:48,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:48,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:48,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:48,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:48,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:48,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:48,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:48,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:48,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:48,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:48,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:48,968 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:48,969 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:48,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-12-22 06:54:49,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3ca1653/0e3666c3e78e4d9387bf0811288510ba/FLAG6467666bf [2020-12-22 06:54:49,796 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:49,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-12-22 06:54:49,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3ca1653/0e3666c3e78e4d9387bf0811288510ba/FLAG6467666bf [2020-12-22 06:54:49,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3ca1653/0e3666c3e78e4d9387bf0811288510ba [2020-12-22 06:54:49,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:49,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:49,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:49,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:49,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:49,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:49" (1/1) ... [2020-12-22 06:54:49,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e87a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:49, skipping insertion in model container [2020-12-22 06:54:49,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:49" (1/1) ... [2020-12-22 06:54:49,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:49,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:50,300 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_product50.cil.c[18615,18628] [2020-12-22 06:54:50,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:50,327 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:50,420 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_product50.cil.c[18615,18628] [2020-12-22 06:54:50,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:50,468 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:50,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50 WrapperNode [2020-12-22 06:54:50,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:50,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:50,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:50,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:50,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:50,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:50,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:50,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:50,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:50,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:50,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:50,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:50,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (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 06:54:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:51,889 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:51,890 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2020-12-22 06:54:51,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:51 BoogieIcfgContainer [2020-12-22 06:54:51,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:51,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:51,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:51,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:51,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:49" (1/3) ... [2020-12-22 06:54:51,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb45d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:51, skipping insertion in model container [2020-12-22 06:54:51,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50" (2/3) ... [2020-12-22 06:54:51,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb45d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:51, skipping insertion in model container [2020-12-22 06:54:51,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:51" (3/3) ... [2020-12-22 06:54:51,909 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-12-22 06:54:51,918 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:51,923 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:51,942 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:51,986 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:51,986 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:51,986 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:51,987 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:51,987 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:51,987 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:51,987 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:51,987 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:52,017 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-12-22 06:54:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:52,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:52,027 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 06:54:52,028 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:52,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:52,035 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2020-12-22 06:54:52,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:52,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465867627] [2020-12-22 06:54:52,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:52,365 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 06:54:52,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465867627] [2020-12-22 06:54:52,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:52,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:52,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146430824] [2020-12-22 06:54:52,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:52,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:52,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:52,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:52,391 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-12-22 06:54:52,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:52,437 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2020-12-22 06:54:52,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:52,438 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:52,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:52,466 INFO L225 Difference]: With dead ends: 235 [2020-12-22 06:54:52,466 INFO L226 Difference]: Without dead ends: 117 [2020-12-22 06:54:52,470 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 06:54:52,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-12-22 06:54:52,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-12-22 06:54:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-22 06:54:52,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-12-22 06:54:52,531 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-12-22 06:54:52,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:52,532 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-12-22 06:54:52,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:52,532 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-12-22 06:54:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:52,534 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:52,534 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 06:54:52,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:52,535 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:52,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:52,536 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2020-12-22 06:54:52,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:52,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790070874] [2020-12-22 06:54:52,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:52,655 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 06:54:52,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790070874] [2020-12-22 06:54:52,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:52,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:52,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373542154] [2020-12-22 06:54:52,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:52,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:52,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:52,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:52,665 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2020-12-22 06:54:52,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:52,693 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-12-22 06:54:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:52,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:52,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:52,695 INFO L225 Difference]: With dead ends: 117 [2020-12-22 06:54:52,695 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:54:52,701 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 06:54:52,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:54:52,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:54:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:54:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-12-22 06:54:52,711 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-12-22 06:54:52,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:52,712 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-12-22 06:54:52,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-12-22 06:54:52,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:52,715 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:52,715 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 06:54:52,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:52,715 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:52,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:52,716 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2020-12-22 06:54:52,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:52,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297709275] [2020-12-22 06:54:52,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:52,866 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 06:54:52,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297709275] [2020-12-22 06:54:52,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:52,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:52,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011335773] [2020-12-22 06:54:52,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:52,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:52,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:52,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:52,869 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-12-22 06:54:52,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:52,944 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-12-22 06:54:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:52,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:54:52,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:52,946 INFO L225 Difference]: With dead ends: 91 [2020-12-22 06:54:52,946 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:54:52,947 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 06:54:52,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:54:52,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:54:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:54:52,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-12-22 06:54:52,955 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-12-22 06:54:52,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:52,955 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-12-22 06:54:52,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-12-22 06:54:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:52,957 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:52,957 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 06:54:52,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:52,958 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:52,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2020-12-22 06:54:52,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:52,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582415921] [2020-12-22 06:54:52,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,126 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 06:54:53,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582415921] [2020-12-22 06:54:53,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:53,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:53,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343781507] [2020-12-22 06:54:53,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:53,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:53,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:53,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:53,131 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-12-22 06:54:53,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:53,175 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-12-22 06:54:53,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:53,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:54:53,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:53,177 INFO L225 Difference]: With dead ends: 113 [2020-12-22 06:54:53,178 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:54:53,179 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 06:54:53,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:54:53,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-12-22 06:54:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-22 06:54:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-12-22 06:54:53,189 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-12-22 06:54:53,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:53,190 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-12-22 06:54:53,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-12-22 06:54:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:53,191 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:53,192 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 06:54:53,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:53,192 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:53,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:53,193 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2020-12-22 06:54:53,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:53,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865405307] [2020-12-22 06:54:53,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,269 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 06:54:53,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865405307] [2020-12-22 06:54:53,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:53,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:53,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136095119] [2020-12-22 06:54:53,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:53,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:53,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:53,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:53,274 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-12-22 06:54:53,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:53,352 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-12-22 06:54:53,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:53,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:54:53,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:53,354 INFO L225 Difference]: With dead ends: 182 [2020-12-22 06:54:53,355 INFO L226 Difference]: Without dead ends: 120 [2020-12-22 06:54:53,355 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 06:54:53,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-22 06:54:53,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-12-22 06:54:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-22 06:54:53,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-12-22 06:54:53,366 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-12-22 06:54:53,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:53,367 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-12-22 06:54:53,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-12-22 06:54:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:53,368 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:53,368 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 06:54:53,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:53,369 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:53,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:53,370 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2020-12-22 06:54:53,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:53,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488477443] [2020-12-22 06:54:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,440 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 06:54:53,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488477443] [2020-12-22 06:54:53,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:53,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:53,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31061269] [2020-12-22 06:54:53,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:53,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:53,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:53,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:53,443 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-12-22 06:54:53,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:53,535 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2020-12-22 06:54:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:53,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:54:53,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:53,538 INFO L225 Difference]: With dead ends: 387 [2020-12-22 06:54:53,538 INFO L226 Difference]: Without dead ends: 319 [2020-12-22 06:54:53,539 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 06:54:53,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-12-22 06:54:53,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2020-12-22 06:54:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-12-22 06:54:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2020-12-22 06:54:53,559 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2020-12-22 06:54:53,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:53,559 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2020-12-22 06:54:53,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2020-12-22 06:54:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:53,561 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:53,562 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 06:54:53,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:54:53,562 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:53,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:53,563 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2020-12-22 06:54:53,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:53,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604013242] [2020-12-22 06:54:53,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,633 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 06:54:53,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604013242] [2020-12-22 06:54:53,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:53,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:53,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795420450] [2020-12-22 06:54:53,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:53,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:53,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:53,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:53,636 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2020-12-22 06:54:53,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:53,813 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2020-12-22 06:54:53,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:54:53,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:53,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:53,815 INFO L225 Difference]: With dead ends: 506 [2020-12-22 06:54:53,816 INFO L226 Difference]: Without dead ends: 378 [2020-12-22 06:54:53,817 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 06:54:53,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-12-22 06:54:53,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2020-12-22 06:54:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-12-22 06:54:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2020-12-22 06:54:53,834 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2020-12-22 06:54:53,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:53,834 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2020-12-22 06:54:53,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2020-12-22 06:54:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:53,836 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:53,836 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 06:54:53,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:54:53,837 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:53,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:53,837 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2020-12-22 06:54:53,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:53,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708698911] [2020-12-22 06:54:53,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,904 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 06:54:53,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708698911] [2020-12-22 06:54:53,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:53,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:54:53,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477556986] [2020-12-22 06:54:53,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:53,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:53,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:53,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:53,907 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 6 states. [2020-12-22 06:54:53,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:53,993 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2020-12-22 06:54:53,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:54:53,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-12-22 06:54:53,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:53,995 INFO L225 Difference]: With dead ends: 357 [2020-12-22 06:54:53,995 INFO L226 Difference]: Without dead ends: 230 [2020-12-22 06:54:53,996 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 06:54:53,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-12-22 06:54:54,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2020-12-22 06:54:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-12-22 06:54:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2020-12-22 06:54:54,012 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2020-12-22 06:54:54,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:54,012 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2020-12-22 06:54:54,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2020-12-22 06:54:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:54,014 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:54,014 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 06:54:54,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:54:54,014 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:54,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:54,015 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2020-12-22 06:54:54,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:54,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384768521] [2020-12-22 06:54:54,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:54,062 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 06:54:54,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384768521] [2020-12-22 06:54:54,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:54,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:54,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507816528] [2020-12-22 06:54:54,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:54,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:54,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:54,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:54,066 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2020-12-22 06:54:54,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:54,106 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2020-12-22 06:54:54,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:54,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 06:54:54,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:54,108 INFO L225 Difference]: With dead ends: 327 [2020-12-22 06:54:54,108 INFO L226 Difference]: Without dead ends: 192 [2020-12-22 06:54:54,109 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 06:54:54,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-12-22 06:54:54,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-12-22 06:54:54,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-12-22 06:54:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2020-12-22 06:54:54,130 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2020-12-22 06:54:54,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:54,130 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2020-12-22 06:54:54,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2020-12-22 06:54:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:54:54,132 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:54,132 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] [2020-12-22 06:54:54,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:54:54,132 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:54,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:54,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2020-12-22 06:54:54,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:54,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410141537] [2020-12-22 06:54:54,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:54,185 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 06:54:54,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410141537] [2020-12-22 06:54:54,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:54,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:54,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591223932] [2020-12-22 06:54:54,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:54,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:54,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:54,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:54,188 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2020-12-22 06:54:54,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:54,239 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2020-12-22 06:54:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:54,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:54:54,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:54,242 INFO L225 Difference]: With dead ends: 295 [2020-12-22 06:54:54,242 INFO L226 Difference]: Without dead ends: 293 [2020-12-22 06:54:54,242 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 06:54:54,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-12-22 06:54:54,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2020-12-22 06:54:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-12-22 06:54:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2020-12-22 06:54:54,268 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2020-12-22 06:54:54,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:54,268 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2020-12-22 06:54:54,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2020-12-22 06:54:54,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:54,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:54,270 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2020-12-22 06:54:54,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:54:54,270 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:54,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:54,271 INFO L82 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2020-12-22 06:54:54,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:54,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225957267] [2020-12-22 06:54:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:54,349 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:54,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225957267] [2020-12-22 06:54:54,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:54,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:54,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363242796] [2020-12-22 06:54:54,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:54,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:54,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:54,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:54,352 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 5 states. [2020-12-22 06:54:54,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:54,465 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2020-12-22 06:54:54,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:54,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-22 06:54:54,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:54,467 INFO L225 Difference]: With dead ends: 374 [2020-12-22 06:54:54,468 INFO L226 Difference]: Without dead ends: 197 [2020-12-22 06:54:54,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 06:54:54,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-12-22 06:54:54,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-12-22 06:54:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-12-22 06:54:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2020-12-22 06:54:54,489 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2020-12-22 06:54:54,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:54,489 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2020-12-22 06:54:54,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2020-12-22 06:54:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:54,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:54,490 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:54,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:54:54,491 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:54,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:54,492 INFO L82 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2020-12-22 06:54:54,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:54,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040247900] [2020-12-22 06:54:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:54:54,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040247900] [2020-12-22 06:54:54,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:54,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:54:54,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117265361] [2020-12-22 06:54:54,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:54:54,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:54,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:54:54,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:54:54,574 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 7 states. [2020-12-22 06:54:54,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:54,694 INFO L93 Difference]: Finished difference Result 528 states and 701 transitions. [2020-12-22 06:54:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:54,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-12-22 06:54:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:54,697 INFO L225 Difference]: With dead ends: 528 [2020-12-22 06:54:54,698 INFO L226 Difference]: Without dead ends: 388 [2020-12-22 06:54:54,698 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 06:54:54,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-12-22 06:54:54,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 203. [2020-12-22 06:54:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-12-22 06:54:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2020-12-22 06:54:54,723 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2020-12-22 06:54:54,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:54,723 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2020-12-22 06:54:54,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:54:54,723 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2020-12-22 06:54:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:54,724 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:54,725 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:54,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:54:54,725 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:54,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:54,726 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2020-12-22 06:54:54,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:54,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212484345] [2020-12-22 06:54:54,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:54,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212484345] [2020-12-22 06:54:54,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:54,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:54:54,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060251985] [2020-12-22 06:54:54,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:54,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:54,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:54,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:54,838 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2020-12-22 06:54:55,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:55,064 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2020-12-22 06:54:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:54:55,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-12-22 06:54:55,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:55,065 INFO L225 Difference]: With dead ends: 485 [2020-12-22 06:54:55,065 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:55,066 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 06:54:55,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:55,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:55,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:55,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-22 06:54:55,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:55,068 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:55,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:55,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:55,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:55,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:54:55,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:55,254 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 80 [2020-12-22 06:54:55,419 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2020-12-22 06:54:55,675 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 69 [2020-12-22 06:54:55,778 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2020-12-22 06:54:55,923 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 84 [2020-12-22 06:54:56,055 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2020-12-22 06:54:56,215 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 69 [2020-12-22 06:54:56,506 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-12-22 06:54:56,674 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2020-12-22 06:54:56,811 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-12-22 06:54:57,140 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 06:54:57,328 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2020-12-22 06:54:57,489 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-12-22 06:54:57,824 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2020-12-22 06:54:58,362 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 43 [2020-12-22 06:54:58,573 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2020-12-22 06:54:58,764 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2020-12-22 06:54:58,769 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2020-12-22 06:54:58,770 INFO L189 CegarLoopUtils]: For program point L169(lines 169 176) no Hoare annotation was computed. [2020-12-22 06:54:58,770 INFO L192 CegarLoopUtils]: At program point L169-1(lines 169 176) the Hoare annotation is: true [2020-12-22 06:54:58,771 INFO L185 CegarLoopUtils]: At program point L599(lines 550 600) the Hoare annotation is: false [2020-12-22 06:54:58,771 INFO L189 CegarLoopUtils]: For program point L401(lines 401 418) no Hoare annotation was computed. [2020-12-22 06:54:58,771 INFO L189 CegarLoopUtils]: For program point L401-1(lines 401 418) no Hoare annotation was computed. [2020-12-22 06:54:58,771 INFO L189 CegarLoopUtils]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2020-12-22 06:54:58,771 INFO L189 CegarLoopUtils]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-12-22 06:54:58,772 INFO L189 CegarLoopUtils]: For program point L203(lines 203 220) no Hoare annotation was computed. [2020-12-22 06:54:58,772 INFO L185 CegarLoopUtils]: At program point L203-1(lines 1 981) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-12-22 06:54:58,772 INFO L189 CegarLoopUtils]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2020-12-22 06:54:58,773 INFO L189 CegarLoopUtils]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2020-12-22 06:54:58,773 INFO L185 CegarLoopUtils]: At program point L203-3(lines 1 981) the Hoare annotation is: false [2020-12-22 06:54:58,773 INFO L189 CegarLoopUtils]: For program point L203-4(lines 203 220) no Hoare annotation was computed. [2020-12-22 06:54:58,773 INFO L189 CegarLoopUtils]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2020-12-22 06:54:58,773 INFO L185 CegarLoopUtils]: At program point L203-5(lines 1 981) the Hoare annotation is: false [2020-12-22 06:54:58,773 INFO L189 CegarLoopUtils]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,773 INFO L189 CegarLoopUtils]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,774 INFO L189 CegarLoopUtils]: For program point L503-3(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,774 INFO L189 CegarLoopUtils]: For program point L503-5(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,774 INFO L189 CegarLoopUtils]: For program point L503-6(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,774 INFO L189 CegarLoopUtils]: For program point L503-8(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,774 INFO L189 CegarLoopUtils]: For program point L503-9(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,774 INFO L189 CegarLoopUtils]: For program point L503-11(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,774 INFO L189 CegarLoopUtils]: For program point L503-12(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,774 INFO L189 CegarLoopUtils]: For program point L503-14(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,775 INFO L189 CegarLoopUtils]: For program point L503-15(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,775 INFO L189 CegarLoopUtils]: For program point L503-17(lines 503 507) no Hoare annotation was computed. [2020-12-22 06:54:58,775 INFO L189 CegarLoopUtils]: For program point L405(lines 405 413) no Hoare annotation was computed. [2020-12-22 06:54:58,775 INFO L189 CegarLoopUtils]: For program point L405-1(lines 405 413) no Hoare annotation was computed. [2020-12-22 06:54:58,775 INFO L189 CegarLoopUtils]: For program point L405-2(lines 405 413) no Hoare annotation was computed. [2020-12-22 06:54:58,776 INFO L185 CegarLoopUtils]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse1 .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2020-12-22 06:54:58,776 INFO L185 CegarLoopUtils]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2020-12-22 06:54:58,776 INFO L189 CegarLoopUtils]: For program point L207(lines 207 217) no Hoare annotation was computed. [2020-12-22 06:54:58,776 INFO L185 CegarLoopUtils]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2020-12-22 06:54:58,776 INFO L189 CegarLoopUtils]: For program point L207-2(lines 207 217) no Hoare annotation was computed. [2020-12-22 06:54:58,776 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:58,777 INFO L189 CegarLoopUtils]: For program point L207-4(lines 207 217) no Hoare annotation was computed. [2020-12-22 06:54:58,777 INFO L189 CegarLoopUtils]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-12-22 06:54:58,777 INFO L185 CegarLoopUtils]: At program point L571-1(lines 571 577) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-12-22 06:54:58,777 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2020-12-22 06:54:58,777 INFO L189 CegarLoopUtils]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-12-22 06:54:58,777 INFO L189 CegarLoopUtils]: For program point L208-2(lines 208 214) no Hoare annotation was computed. [2020-12-22 06:54:58,778 INFO L189 CegarLoopUtils]: For program point L208-4(lines 208 214) no Hoare annotation was computed. [2020-12-22 06:54:58,778 INFO L185 CegarLoopUtils]: At program point L143(lines 139 145) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:58,778 INFO L189 CegarLoopUtils]: For program point L375(lines 375 392) no Hoare annotation was computed. [2020-12-22 06:54:58,778 INFO L189 CegarLoopUtils]: For program point L375-1(lines 375 392) no Hoare annotation was computed. [2020-12-22 06:54:58,778 INFO L189 CegarLoopUtils]: For program point L375-2(lines 375 392) no Hoare annotation was computed. [2020-12-22 06:54:58,778 INFO L189 CegarLoopUtils]: For program point L375-3(lines 375 392) no Hoare annotation was computed. [2020-12-22 06:54:58,778 INFO L189 CegarLoopUtils]: For program point L375-4(lines 375 392) no Hoare annotation was computed. [2020-12-22 06:54:58,779 INFO L189 CegarLoopUtils]: For program point L375-5(lines 375 392) no Hoare annotation was computed. [2020-12-22 06:54:58,779 INFO L185 CegarLoopUtils]: At program point L343(lines 342 361) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse3) .cse2 .cse6 .cse4 .cse5) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse2 .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse6 .cse5))) [2020-12-22 06:54:58,779 INFO L189 CegarLoopUtils]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2020-12-22 06:54:58,779 INFO L185 CegarLoopUtils]: At program point L343-2(lines 342 361) the Hoare annotation is: false [2020-12-22 06:54:58,779 INFO L185 CegarLoopUtils]: At program point L343-3(lines 342 361) the Hoare annotation is: false [2020-12-22 06:54:58,780 INFO L192 CegarLoopUtils]: At program point L178(lines 159 181) the Hoare annotation is: true [2020-12-22 06:54:58,780 INFO L185 CegarLoopUtils]: At program point L509(lines 494 512) the Hoare annotation is: false [2020-12-22 06:54:58,780 INFO L185 CegarLoopUtils]: At program point L509-1(lines 494 512) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse7 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse6 .cse7 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse8 .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse9 .cse5 .cse0 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse1) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse10) (and .cse6 .cse7 .cse0 .cse8 .cse1 .cse3 .cse4 .cse9 .cse5 .cse10))) [2020-12-22 06:54:58,780 INFO L185 CegarLoopUtils]: At program point L509-2(lines 494 512) the Hoare annotation is: false [2020-12-22 06:54:58,780 INFO L185 CegarLoopUtils]: At program point L509-3(lines 494 512) the Hoare annotation is: false [2020-12-22 06:54:58,780 INFO L185 CegarLoopUtils]: At program point L509-4(lines 494 512) the Hoare annotation is: false [2020-12-22 06:54:58,781 INFO L185 CegarLoopUtils]: At program point L509-5(lines 494 512) the Hoare annotation is: false [2020-12-22 06:54:58,781 INFO L189 CegarLoopUtils]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-12-22 06:54:58,781 INFO L189 CegarLoopUtils]: For program point L379-1(lines 379 387) no Hoare annotation was computed. [2020-12-22 06:54:58,781 INFO L189 CegarLoopUtils]: For program point L313(lines 313 319) no Hoare annotation was computed. [2020-12-22 06:54:58,781 INFO L189 CegarLoopUtils]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-12-22 06:54:58,781 INFO L189 CegarLoopUtils]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2020-12-22 06:54:58,781 INFO L189 CegarLoopUtils]: For program point L379-3(lines 379 387) no Hoare annotation was computed. [2020-12-22 06:54:58,781 INFO L189 CegarLoopUtils]: For program point L313-2(lines 313 319) no Hoare annotation was computed. [2020-12-22 06:54:58,782 INFO L189 CegarLoopUtils]: For program point L379-4(lines 379 387) no Hoare annotation was computed. [2020-12-22 06:54:58,782 INFO L189 CegarLoopUtils]: For program point L313-3(lines 313 319) no Hoare annotation was computed. [2020-12-22 06:54:58,782 INFO L189 CegarLoopUtils]: For program point L379-5(lines 379 387) no Hoare annotation was computed. [2020-12-22 06:54:58,782 INFO L189 CegarLoopUtils]: For program point L313-4(lines 313 319) no Hoare annotation was computed. [2020-12-22 06:54:58,782 INFO L189 CegarLoopUtils]: For program point L313-5(lines 313 319) no Hoare annotation was computed. [2020-12-22 06:54:58,782 INFO L189 CegarLoopUtils]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:54:58,782 INFO L189 CegarLoopUtils]: For program point L581(lines 581 594) no Hoare annotation was computed. [2020-12-22 06:54:58,783 INFO L185 CegarLoopUtils]: At program point L350(lines 350 356) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse1 .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2020-12-22 06:54:58,783 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:58,783 INFO L185 CegarLoopUtils]: At program point L350-1(lines 350 356) the Hoare annotation is: false [2020-12-22 06:54:58,783 INFO L185 CegarLoopUtils]: At program point L350-2(lines 350 356) the Hoare annotation is: false [2020-12-22 06:54:58,783 INFO L189 CegarLoopUtils]: For program point L978(line 978) no Hoare annotation was computed. [2020-12-22 06:54:58,783 INFO L189 CegarLoopUtils]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-12-22 06:54:58,783 INFO L189 CegarLoopUtils]: For program point L978-2(line 978) no Hoare annotation was computed. [2020-12-22 06:54:58,784 INFO L185 CegarLoopUtils]: At program point L318(lines 309 322) the Hoare annotation is: false [2020-12-22 06:54:58,784 INFO L185 CegarLoopUtils]: At program point L318-1(lines 309 322) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse8 .cse5 .cse6) (and .cse7 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse1 .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse8 .cse5))) [2020-12-22 06:54:58,784 INFO L185 CegarLoopUtils]: At program point L318-2(lines 309 322) the Hoare annotation is: false [2020-12-22 06:54:58,784 INFO L185 CegarLoopUtils]: At program point L318-3(lines 309 322) the Hoare annotation is: false [2020-12-22 06:54:58,784 INFO L185 CegarLoopUtils]: At program point L318-4(lines 309 322) the Hoare annotation is: false [2020-12-22 06:54:58,784 INFO L185 CegarLoopUtils]: At program point L318-5(lines 309 322) the Hoare annotation is: false [2020-12-22 06:54:58,785 INFO L189 CegarLoopUtils]: For program point L552(lines 551 598) no Hoare annotation was computed. [2020-12-22 06:54:58,785 INFO L189 CegarLoopUtils]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-12-22 06:54:58,785 INFO L185 CegarLoopUtils]: At program point L454(lines 449 457) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse4) .cse1 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse8 .cse6 .cse7) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse1 .cse2 .cse4 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5 .cse8 .cse6))) [2020-12-22 06:54:58,785 INFO L185 CegarLoopUtils]: At program point L454-1(lines 449 457) the Hoare annotation is: false [2020-12-22 06:54:58,785 INFO L185 CegarLoopUtils]: At program point L454-2(lines 449 457) the Hoare annotation is: false [2020-12-22 06:54:58,785 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:58,785 INFO L185 CegarLoopUtils]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2020-12-22 06:54:58,786 INFO L189 CegarLoopUtils]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-12-22 06:54:58,786 INFO L189 CegarLoopUtils]: For program point L522-2(lines 522 526) no Hoare annotation was computed. [2020-12-22 06:54:58,786 INFO L189 CegarLoopUtils]: For program point L522-3(lines 522 526) no Hoare annotation was computed. [2020-12-22 06:54:58,786 INFO L189 CegarLoopUtils]: For program point L522-5(lines 522 526) no Hoare annotation was computed. [2020-12-22 06:54:58,786 INFO L189 CegarLoopUtils]: For program point L522-6(lines 522 526) no Hoare annotation was computed. [2020-12-22 06:54:58,786 INFO L189 CegarLoopUtils]: For program point L522-8(lines 522 526) no Hoare annotation was computed. [2020-12-22 06:54:58,786 INFO L185 CegarLoopUtils]: At program point L192(lines 187 194) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:58,786 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2020-12-22 06:54:58,787 INFO L189 CegarLoopUtils]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-12-22 06:54:58,787 INFO L185 CegarLoopUtils]: At program point L589-2(lines 343 349) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-12-22 06:54:58,787 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:58,787 INFO L189 CegarLoopUtils]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-12-22 06:54:58,787 INFO L189 CegarLoopUtils]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-12-22 06:54:58,787 INFO L189 CegarLoopUtils]: For program point L96-1(lines 343 349) no Hoare annotation was computed. [2020-12-22 06:54:58,788 INFO L185 CegarLoopUtils]: At program point L328(lines 323 331) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_main_~tmp~0 1) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:58,788 INFO L185 CegarLoopUtils]: At program point L328-1(lines 323 331) the Hoare annotation is: false [2020-12-22 06:54:58,788 INFO L185 CegarLoopUtils]: At program point L328-2(lines 323 331) the Hoare annotation is: false [2020-12-22 06:54:58,788 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:58,788 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2020-12-22 06:54:58,788 INFO L189 CegarLoopUtils]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-12-22 06:54:58,788 INFO L185 CegarLoopUtils]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-12-22 06:54:58,789 INFO L185 CegarLoopUtils]: At program point L528(lines 513 531) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (= ULTIMATE.start_main_~tmp~0 1) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) (not (= 0 ~systemActive~0)) (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:58,789 INFO L185 CegarLoopUtils]: At program point L528-1(lines 513 531) the Hoare annotation is: false [2020-12-22 06:54:58,789 INFO L185 CegarLoopUtils]: At program point L528-2(lines 513 531) the Hoare annotation is: false [2020-12-22 06:54:58,789 INFO L185 CegarLoopUtils]: At program point L67(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:58,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:58 BoogieIcfgContainer [2020-12-22 06:54:58,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:58,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:58,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:58,836 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:58,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:51" (3/4) ... [2020-12-22 06:54:58,840 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:58,863 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:58,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:58,865 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:58,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:58,867 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:58,868 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:58,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:58,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:54:58,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:54:58,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:54:58,901 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:58,901 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:58,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:58,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:58,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:54:58,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:58,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:58,905 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:54:58,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:54:58,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:54:58,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:54:58,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 < tmp + 1) && !(0 == systemActive))) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:54:58,988 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product50.cil.c-witness.graphml [2020-12-22 06:54:58,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:58,990 INFO L168 Benchmark]: Toolchain (without parser) took 9133.01 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 124.1 MB in the beginning and 60.5 MB in the end (delta: 63.6 MB). Peak memory consumption was 98.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:58,990 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:58,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.11 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 102.0 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:58,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.19 ms. Allocated memory is still 151.0 MB. Free memory was 102.0 MB in the beginning and 98.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:58,991 INFO L168 Benchmark]: Boogie Preprocessor took 57.01 ms. Allocated memory is still 151.0 MB. Free memory was 98.2 MB in the beginning and 95.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:58,992 INFO L168 Benchmark]: RCFGBuilder took 1254.63 ms. Allocated memory is still 151.0 MB. Free memory was 95.7 MB in the beginning and 102.0 MB in the end (delta: -6.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:58,992 INFO L168 Benchmark]: TraceAbstraction took 6938.52 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 101.5 MB in the beginning and 71.0 MB in the end (delta: 30.5 MB). Peak memory consumption was 78.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:58,992 INFO L168 Benchmark]: Witness Printer took 153.33 ms. Allocated memory is still 183.5 MB. Free memory was 71.0 MB in the beginning and 60.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:58,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 608.11 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 102.0 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 98.19 ms. Allocated memory is still 151.0 MB. Free memory was 102.0 MB in the beginning and 98.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.01 ms. Allocated memory is still 151.0 MB. Free memory was 98.2 MB in the beginning and 95.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1254.63 ms. Allocated memory is still 151.0 MB. Free memory was 95.7 MB in the beginning and 102.0 MB in the end (delta: -6.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6938.52 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 101.5 MB in the beginning and 71.0 MB in the end (delta: 30.5 MB). Peak memory consumption was 78.8 MB. Max. memory is 8.0 GB. * Witness Printer took 153.33 ms. Allocated memory is still 183.5 MB. Free memory was 71.0 MB in the beginning and 60.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: 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: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 < tmp + 1) && !(0 == systemActive))) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1235 SDtfs, 1858 SDslu, 1702 SDs, 0 SdLazy, 228 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 807 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 171 NumberOfFragments, 1079 HoareAnnotationTreeSize, 44 FomulaSimplifications, 463639 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9375 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 32915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 58/58 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...