/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_spec5_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:43,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:43,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:43,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:57:43,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:43,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:43,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:43,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:43,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:43,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:43,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:43,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:43,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:43,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:43,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:43,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:43,281 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:43,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:43,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:43,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:43,283 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:43,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:43,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:43,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:43,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:43,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:43,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:43,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:43,285 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:43,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:43,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:43,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:43,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:43,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:43,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:43,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:43,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:43,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:43,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:43,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:43,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:43,288 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:43,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:43,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:43,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:43,684 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:43,684 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:43,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2020-12-22 06:57:43,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c18500236/4435768d0f334f7485d2002ec610510a/FLAG335e29b07 [2020-12-22 06:57:44,471 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:44,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2020-12-22 06:57:44,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c18500236/4435768d0f334f7485d2002ec610510a/FLAG335e29b07 [2020-12-22 06:57:44,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c18500236/4435768d0f334f7485d2002ec610510a [2020-12-22 06:57:44,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:44,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:44,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:44,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:44,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:44,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:44" (1/1) ... [2020-12-22 06:57:44,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ef813b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:44, skipping insertion in model container [2020-12-22 06:57:44,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:44" (1/1) ... [2020-12-22 06:57:44,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:44,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:45,216 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_spec5_product46.cil.c[14887,14900] [2020-12-22 06:57:45,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:45,306 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:45,424 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_spec5_product46.cil.c[14887,14900] [2020-12-22 06:57:45,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:45,481 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:45,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45 WrapperNode [2020-12-22 06:57:45,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:45,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:45,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:45,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:45,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (1/1) ... [2020-12-22 06:57:45,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (1/1) ... [2020-12-22 06:57:45,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:45,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:45,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:45,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:45,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (1/1) ... [2020-12-22 06:57:45,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (1/1) ... [2020-12-22 06:57:45,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (1/1) ... [2020-12-22 06:57:45,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (1/1) ... [2020-12-22 06:57:45,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (1/1) ... [2020-12-22 06:57:45,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (1/1) ... [2020-12-22 06:57:45,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (1/1) ... [2020-12-22 06:57:45,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:45,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:45,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:45,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:45,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (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 06:57:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:46,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:46,982 INFO L299 CfgBuilder]: Removed 208 assume(true) statements. [2020-12-22 06:57:46,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:46 BoogieIcfgContainer [2020-12-22 06:57:46,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:46,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:46,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:46,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:46,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:44" (1/3) ... [2020-12-22 06:57:46,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d489302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:46, skipping insertion in model container [2020-12-22 06:57:46,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:45" (2/3) ... [2020-12-22 06:57:46,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d489302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:46, skipping insertion in model container [2020-12-22 06:57:46,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:46" (3/3) ... [2020-12-22 06:57:46,994 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-12-22 06:57:47,001 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:47,007 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:47,027 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:47,057 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:47,057 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:47,057 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:47,058 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:47,058 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:47,058 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:47,058 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:47,058 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-12-22 06:57:47,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:47,085 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:47,086 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 06:57:47,086 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:47,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:47,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1244104416, now seen corresponding path program 1 times [2020-12-22 06:57:47,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:47,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057062070] [2020-12-22 06:57:47,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:47,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:47,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057062070] [2020-12-22 06:57:47,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:47,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:47,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5913702] [2020-12-22 06:57:47,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:47,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:47,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:47,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:47,555 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-12-22 06:57:47,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:47,598 INFO L93 Difference]: Finished difference Result 269 states and 400 transitions. [2020-12-22 06:57:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:47,600 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:47,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:47,616 INFO L225 Difference]: With dead ends: 269 [2020-12-22 06:57:47,617 INFO L226 Difference]: Without dead ends: 134 [2020-12-22 06:57:47,621 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 06:57:47,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-12-22 06:57:47,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-12-22 06:57:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-12-22 06:57:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2020-12-22 06:57:47,684 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2020-12-22 06:57:47,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:47,685 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2020-12-22 06:57:47,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:47,686 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2020-12-22 06:57:47,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:47,687 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:47,688 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] [2020-12-22 06:57:47,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:47,689 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:47,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:47,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1970722193, now seen corresponding path program 1 times [2020-12-22 06:57:47,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:47,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434290228] [2020-12-22 06:57:47,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:47,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:47,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434290228] [2020-12-22 06:57:47,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:47,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:47,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259587028] [2020-12-22 06:57:47,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:47,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:47,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:47,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:47,881 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2020-12-22 06:57:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:47,920 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2020-12-22 06:57:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:47,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:47,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:47,924 INFO L225 Difference]: With dead ends: 134 [2020-12-22 06:57:47,924 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:57:47,926 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 06:57:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:57:47,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:57:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:57:47,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-12-22 06:57:47,944 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2020-12-22 06:57:47,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:47,945 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-12-22 06:57:47,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-12-22 06:57:47,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:47,948 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:47,948 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 06:57:47,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:47,949 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:47,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:47,951 INFO L82 PathProgramCache]: Analyzing trace with hash -739575047, now seen corresponding path program 1 times [2020-12-22 06:57:47,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:47,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032192800] [2020-12-22 06:57:47,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:48,042 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 06:57:48,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032192800] [2020-12-22 06:57:48,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:48,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:48,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478142959] [2020-12-22 06:57:48,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:48,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:48,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:48,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:48,045 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-12-22 06:57:48,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:48,072 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2020-12-22 06:57:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:48,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:48,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:48,074 INFO L225 Difference]: With dead ends: 103 [2020-12-22 06:57:48,074 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:57:48,075 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 06:57:48,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:57:48,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:57:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:57:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2020-12-22 06:57:48,082 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2020-12-22 06:57:48,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:48,083 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2020-12-22 06:57:48,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-12-22 06:57:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:57:48,085 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:48,085 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] [2020-12-22 06:57:48,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:48,085 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:48,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:48,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1972933051, now seen corresponding path program 1 times [2020-12-22 06:57:48,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:48,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297620999] [2020-12-22 06:57:48,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:48,152 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 06:57:48,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297620999] [2020-12-22 06:57:48,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:48,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:48,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618463870] [2020-12-22 06:57:48,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:48,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:48,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:48,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:48,159 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2020-12-22 06:57:48,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:48,218 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2020-12-22 06:57:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:48,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 06:57:48,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:48,220 INFO L225 Difference]: With dead ends: 127 [2020-12-22 06:57:48,220 INFO L226 Difference]: Without dead ends: 79 [2020-12-22 06:57:48,221 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 06:57:48,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-22 06:57:48,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2020-12-22 06:57:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-22 06:57:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2020-12-22 06:57:48,231 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2020-12-22 06:57:48,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:48,231 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2020-12-22 06:57:48,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2020-12-22 06:57:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:48,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:48,233 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 06:57:48,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:48,233 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:48,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:48,234 INFO L82 PathProgramCache]: Analyzing trace with hash -2138258297, now seen corresponding path program 1 times [2020-12-22 06:57:48,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:48,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480333757] [2020-12-22 06:57:48,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:48,351 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 06:57:48,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480333757] [2020-12-22 06:57:48,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:48,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:48,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834378717] [2020-12-22 06:57:48,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:48,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:48,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:48,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:48,355 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2020-12-22 06:57:48,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:48,526 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2020-12-22 06:57:48,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:48,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:48,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:48,534 INFO L225 Difference]: With dead ends: 260 [2020-12-22 06:57:48,534 INFO L226 Difference]: Without dead ends: 190 [2020-12-22 06:57:48,536 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 06:57:48,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-12-22 06:57:48,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2020-12-22 06:57:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-22 06:57:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2020-12-22 06:57:48,567 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2020-12-22 06:57:48,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:48,571 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2020-12-22 06:57:48,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2020-12-22 06:57:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:48,573 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:48,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:48,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:48,574 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:48,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:48,574 INFO L82 PathProgramCache]: Analyzing trace with hash 760139958, now seen corresponding path program 1 times [2020-12-22 06:57:48,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:48,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059046178] [2020-12-22 06:57:48,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:48,672 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 06:57:48,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059046178] [2020-12-22 06:57:48,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:48,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:48,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616793150] [2020-12-22 06:57:48,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:48,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:48,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:48,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:48,677 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2020-12-22 06:57:48,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:48,754 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2020-12-22 06:57:48,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:48,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-12-22 06:57:48,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:48,756 INFO L225 Difference]: With dead ends: 194 [2020-12-22 06:57:48,757 INFO L226 Difference]: Without dead ends: 125 [2020-12-22 06:57:48,757 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 06:57:48,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-22 06:57:48,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2020-12-22 06:57:48,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-12-22 06:57:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2020-12-22 06:57:48,767 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2020-12-22 06:57:48,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:48,767 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2020-12-22 06:57:48,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2020-12-22 06:57:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:48,769 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:48,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:48,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:48,770 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:48,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:48,770 INFO L82 PathProgramCache]: Analyzing trace with hash -250977292, now seen corresponding path program 1 times [2020-12-22 06:57:48,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:48,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657366672] [2020-12-22 06:57:48,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:48,869 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 06:57:48,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657366672] [2020-12-22 06:57:48,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:48,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:48,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865654232] [2020-12-22 06:57:48,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:48,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:48,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:48,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:48,873 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2020-12-22 06:57:48,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:48,922 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2020-12-22 06:57:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:48,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-22 06:57:48,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:48,924 INFO L225 Difference]: With dead ends: 189 [2020-12-22 06:57:48,924 INFO L226 Difference]: Without dead ends: 114 [2020-12-22 06:57:48,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:48,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-12-22 06:57:48,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2020-12-22 06:57:48,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-12-22 06:57:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2020-12-22 06:57:48,934 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2020-12-22 06:57:48,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:48,934 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2020-12-22 06:57:48,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:48,935 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2020-12-22 06:57:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:48,936 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:48,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:48,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:48,936 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:48,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:48,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1272045646, now seen corresponding path program 1 times [2020-12-22 06:57:48,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:48,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666150802] [2020-12-22 06:57:48,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:48,991 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 06:57:48,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666150802] [2020-12-22 06:57:48,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:48,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:48,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646206830] [2020-12-22 06:57:48,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:48,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:48,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:48,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:48,994 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2020-12-22 06:57:49,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:49,027 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2020-12-22 06:57:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:49,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-22 06:57:49,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:49,029 INFO L225 Difference]: With dead ends: 193 [2020-12-22 06:57:49,029 INFO L226 Difference]: Without dead ends: 114 [2020-12-22 06:57:49,030 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 06:57:49,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-12-22 06:57:49,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-12-22 06:57:49,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-12-22 06:57:49,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2020-12-22 06:57:49,040 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2020-12-22 06:57:49,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:49,040 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2020-12-22 06:57:49,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:49,040 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2020-12-22 06:57:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 06:57:49,042 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:49,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:49,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:49,042 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:49,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:49,043 INFO L82 PathProgramCache]: Analyzing trace with hash 263752306, now seen corresponding path program 1 times [2020-12-22 06:57:49,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:49,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922031137] [2020-12-22 06:57:49,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:49,152 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 06:57:49,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922031137] [2020-12-22 06:57:49,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:49,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:49,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364983923] [2020-12-22 06:57:49,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:49,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:49,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:49,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:49,155 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 7 states. [2020-12-22 06:57:49,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:49,484 INFO L93 Difference]: Finished difference Result 533 states and 713 transitions. [2020-12-22 06:57:49,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:49,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-12-22 06:57:49,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:49,487 INFO L225 Difference]: With dead ends: 533 [2020-12-22 06:57:49,487 INFO L226 Difference]: Without dead ends: 454 [2020-12-22 06:57:49,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:49,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-12-22 06:57:49,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 192. [2020-12-22 06:57:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-12-22 06:57:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 249 transitions. [2020-12-22 06:57:49,511 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 249 transitions. Word has length 38 [2020-12-22 06:57:49,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:49,512 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 249 transitions. [2020-12-22 06:57:49,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 249 transitions. [2020-12-22 06:57:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 06:57:49,513 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:49,513 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, 1] [2020-12-22 06:57:49,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:49,514 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:49,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:49,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1200946429, now seen corresponding path program 1 times [2020-12-22 06:57:49,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:49,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263630918] [2020-12-22 06:57:49,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:49,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263630918] [2020-12-22 06:57:49,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070640411] [2020-12-22 06:57:49,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:49,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:49,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:50,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:50,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-22 06:57:50,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577978491] [2020-12-22 06:57:50,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 06:57:50,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:50,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 06:57:50,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:50,021 INFO L87 Difference]: Start difference. First operand 192 states and 249 transitions. Second operand 9 states. [2020-12-22 06:57:50,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:50,353 INFO L93 Difference]: Finished difference Result 435 states and 582 transitions. [2020-12-22 06:57:50,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:57:50,353 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2020-12-22 06:57:50,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:50,355 INFO L225 Difference]: With dead ends: 435 [2020-12-22 06:57:50,355 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:50,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-12-22 06:57:50,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:50,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:50,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-12-22 06:57:50,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:50,358 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:50,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 06:57:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:50,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:50,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:50,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:50,715 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2020-12-22 06:57:51,299 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 22 [2020-12-22 06:57:51,445 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2020-12-22 06:57:51,695 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2020-12-22 06:57:51,808 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 20 [2020-12-22 06:57:52,026 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2020-12-22 06:57:52,304 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2020-12-22 06:57:52,473 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2020-12-22 06:57:52,713 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2020-12-22 06:57:52,776 INFO L189 CegarLoopUtils]: For program point L927(lines 926 973) no Hoare annotation was computed. [2020-12-22 06:57:52,776 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 702) no Hoare annotation was computed. [2020-12-22 06:57:52,776 INFO L189 CegarLoopUtils]: For program point L928(lines 928 932) no Hoare annotation was computed. [2020-12-22 06:57:52,776 INFO L189 CegarLoopUtils]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-12-22 06:57:52,776 INFO L189 CegarLoopUtils]: For program point L897(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,776 INFO L189 CegarLoopUtils]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,776 INFO L189 CegarLoopUtils]: For program point L897-3(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,777 INFO L189 CegarLoopUtils]: For program point L897-5(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,777 INFO L189 CegarLoopUtils]: For program point L897-6(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,777 INFO L189 CegarLoopUtils]: For program point L897-8(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,777 INFO L189 CegarLoopUtils]: For program point L897-9(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,778 INFO L189 CegarLoopUtils]: For program point L897-11(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,778 INFO L189 CegarLoopUtils]: For program point L897-12(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,778 INFO L189 CegarLoopUtils]: For program point L897-14(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,778 INFO L189 CegarLoopUtils]: For program point L897-15(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,778 INFO L189 CegarLoopUtils]: For program point L897-17(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:57:52,779 INFO L189 CegarLoopUtils]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:52,779 INFO L185 CegarLoopUtils]: At program point L72-1(lines 1 981) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-12-22 06:57:52,780 INFO L189 CegarLoopUtils]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:52,780 INFO L185 CegarLoopUtils]: At program point L72-3(lines 1 981) the Hoare annotation is: false [2020-12-22 06:57:52,781 INFO L189 CegarLoopUtils]: For program point L964(lines 964 968) no Hoare annotation was computed. [2020-12-22 06:57:52,781 INFO L189 CegarLoopUtils]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:52,781 INFO L185 CegarLoopUtils]: At program point L72-5(lines 1 981) the Hoare annotation is: false [2020-12-22 06:57:52,782 INFO L185 CegarLoopUtils]: At program point L964-2(lines 964 968) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-12-22 06:57:52,782 INFO L185 CegarLoopUtils]: At program point L106-2(lines 106 120) the Hoare annotation is: false [2020-12-22 06:57:52,782 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 06:57:52,782 INFO L189 CegarLoopUtils]: For program point L702(line 702) no Hoare annotation was computed. [2020-12-22 06:57:52,782 INFO L189 CegarLoopUtils]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-12-22 06:57:52,782 INFO L189 CegarLoopUtils]: For program point L702-2(line 702) no Hoare annotation was computed. [2020-12-22 06:57:52,782 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 702) no Hoare annotation was computed. [2020-12-22 06:57:52,783 INFO L189 CegarLoopUtils]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:52,783 INFO L189 CegarLoopUtils]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:52,784 INFO L189 CegarLoopUtils]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:52,784 INFO L189 CegarLoopUtils]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-12-22 06:57:52,784 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:52,784 INFO L189 CegarLoopUtils]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2020-12-22 06:57:52,784 INFO L189 CegarLoopUtils]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:52,784 INFO L189 CegarLoopUtils]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:52,784 INFO L189 CegarLoopUtils]: For program point L936(lines 936 942) no Hoare annotation was computed. [2020-12-22 06:57:52,785 INFO L185 CegarLoopUtils]: At program point L936-1(lines 936 942) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-12-22 06:57:52,785 INFO L185 CegarLoopUtils]: At program point L903(lines 888 906) the Hoare annotation is: false [2020-12-22 06:57:52,785 INFO L185 CegarLoopUtils]: At program point L903-1(lines 888 906) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3))) [2020-12-22 06:57:52,785 INFO L185 CegarLoopUtils]: At program point L903-2(lines 888 906) the Hoare annotation is: false [2020-12-22 06:57:52,785 INFO L185 CegarLoopUtils]: At program point L903-3(lines 888 906) the Hoare annotation is: false [2020-12-22 06:57:52,785 INFO L185 CegarLoopUtils]: At program point L903-4(lines 888 906) the Hoare annotation is: false [2020-12-22 06:57:52,786 INFO L185 CegarLoopUtils]: At program point L903-5(lines 888 906) the Hoare annotation is: false [2020-12-22 06:57:52,786 INFO L185 CegarLoopUtils]: At program point L839(lines 832 842) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:52,786 INFO L185 CegarLoopUtils]: At program point L839-1(lines 832 842) the Hoare annotation is: false [2020-12-22 06:57:52,786 INFO L185 CegarLoopUtils]: At program point L839-2(lines 832 842) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:52,790 INFO L185 CegarLoopUtils]: At program point L839-3(lines 832 842) the Hoare annotation is: false [2020-12-22 06:57:52,790 INFO L185 CegarLoopUtils]: At program point L839-4(lines 832 842) the Hoare annotation is: false [2020-12-22 06:57:52,791 INFO L185 CegarLoopUtils]: At program point L839-5(lines 832 842) the Hoare annotation is: false [2020-12-22 06:57:52,791 INFO L185 CegarLoopUtils]: At program point L839-6(lines 832 842) the Hoare annotation is: false [2020-12-22 06:57:52,791 INFO L185 CegarLoopUtils]: At program point L839-7(lines 832 842) the Hoare annotation is: false [2020-12-22 06:57:52,791 INFO L189 CegarLoopUtils]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-12-22 06:57:52,791 INFO L185 CegarLoopUtils]: At program point L839-8(lines 832 842) the Hoare annotation is: false [2020-12-22 06:57:52,791 INFO L189 CegarLoopUtils]: For program point L575-3(lines 575 579) no Hoare annotation was computed. [2020-12-22 06:57:52,791 INFO L189 CegarLoopUtils]: For program point L575-6(lines 575 579) no Hoare annotation was computed. [2020-12-22 06:57:52,792 INFO L185 CegarLoopUtils]: At program point L974(lines 925 975) the Hoare annotation is: false [2020-12-22 06:57:52,792 INFO L185 CegarLoopUtils]: At program point L644(lines 639 647) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-12-22 06:57:52,792 INFO L185 CegarLoopUtils]: At program point L644-1(lines 639 647) the Hoare annotation is: false [2020-12-22 06:57:52,792 INFO L185 CegarLoopUtils]: At program point L644-2(lines 639 647) the Hoare annotation is: false [2020-12-22 06:57:52,792 INFO L185 CegarLoopUtils]: At program point L612(lines 607 615) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:52,792 INFO L185 CegarLoopUtils]: At program point L612-1(lines 607 615) the Hoare annotation is: false [2020-12-22 06:57:52,793 INFO L185 CegarLoopUtils]: At program point L612-2(lines 607 615) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:52,793 INFO L185 CegarLoopUtils]: At program point L612-3(lines 607 615) the Hoare annotation is: false [2020-12-22 06:57:52,793 INFO L185 CegarLoopUtils]: At program point L612-4(lines 607 615) the Hoare annotation is: false [2020-12-22 06:57:52,793 INFO L185 CegarLoopUtils]: At program point L612-5(lines 607 615) the Hoare annotation is: false [2020-12-22 06:57:52,793 INFO L185 CegarLoopUtils]: At program point L612-6(lines 607 615) the Hoare annotation is: false [2020-12-22 06:57:52,793 INFO L185 CegarLoopUtils]: At program point L612-7(lines 607 615) the Hoare annotation is: false [2020-12-22 06:57:52,793 INFO L185 CegarLoopUtils]: At program point L612-8(lines 607 615) the Hoare annotation is: false [2020-12-22 06:57:52,793 INFO L185 CegarLoopUtils]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:52,794 INFO L189 CegarLoopUtils]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-12-22 06:57:52,794 INFO L189 CegarLoopUtils]: For program point L778-1(lines 778 795) no Hoare annotation was computed. [2020-12-22 06:57:52,794 INFO L189 CegarLoopUtils]: For program point L778-2(lines 778 795) no Hoare annotation was computed. [2020-12-22 06:57:52,794 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:52,794 INFO L189 CegarLoopUtils]: For program point L185(lines 185 192) no Hoare annotation was computed. [2020-12-22 06:57:52,794 INFO L192 CegarLoopUtils]: At program point L185-1(lines 185 192) the Hoare annotation is: true [2020-12-22 06:57:52,794 INFO L189 CegarLoopUtils]: For program point L946(lines 946 952) no Hoare annotation was computed. [2020-12-22 06:57:52,794 INFO L185 CegarLoopUtils]: At program point L946-1(lines 946 952) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-12-22 06:57:52,795 INFO L189 CegarLoopUtils]: For program point L814(lines 814 820) no Hoare annotation was computed. [2020-12-22 06:57:52,795 INFO L189 CegarLoopUtils]: For program point L814-2(lines 814 820) no Hoare annotation was computed. [2020-12-22 06:57:52,795 INFO L189 CegarLoopUtils]: For program point L814-4(lines 814 820) no Hoare annotation was computed. [2020-12-22 06:57:52,795 INFO L189 CegarLoopUtils]: For program point L814-6(lines 814 820) no Hoare annotation was computed. [2020-12-22 06:57:52,795 INFO L189 CegarLoopUtils]: For program point L814-8(lines 814 820) no Hoare annotation was computed. [2020-12-22 06:57:52,796 INFO L189 CegarLoopUtils]: For program point L814-10(lines 814 820) no Hoare annotation was computed. [2020-12-22 06:57:52,796 INFO L185 CegarLoopUtils]: At program point L848(lines 843 851) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse4 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse0 .cse1 .cse2))) [2020-12-22 06:57:52,796 INFO L185 CegarLoopUtils]: At program point L848-1(lines 843 851) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-12-22 06:57:52,797 INFO L189 CegarLoopUtils]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-12-22 06:57:52,797 INFO L185 CegarLoopUtils]: At program point L848-2(lines 843 851) the Hoare annotation is: false [2020-12-22 06:57:52,797 INFO L189 CegarLoopUtils]: For program point L782-1(lines 782 790) no Hoare annotation was computed. [2020-12-22 06:57:52,797 INFO L185 CegarLoopUtils]: At program point L848-3(lines 843 851) the Hoare annotation is: false [2020-12-22 06:57:52,797 INFO L185 CegarLoopUtils]: At program point L848-4(lines 843 851) the Hoare annotation is: false [2020-12-22 06:57:52,798 INFO L189 CegarLoopUtils]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-12-22 06:57:52,798 INFO L185 CegarLoopUtils]: At program point L848-5(lines 843 851) the Hoare annotation is: false [2020-12-22 06:57:52,798 INFO L185 CegarLoopUtils]: At program point L685(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:52,799 INFO L189 CegarLoopUtils]: For program point L652(lines 652 658) no Hoare annotation was computed. [2020-12-22 06:57:52,801 INFO L189 CegarLoopUtils]: For program point L652-1(lines 652 658) no Hoare annotation was computed. [2020-12-22 06:57:52,801 INFO L189 CegarLoopUtils]: For program point L652-2(lines 652 658) no Hoare annotation was computed. [2020-12-22 06:57:52,801 INFO L189 CegarLoopUtils]: For program point L652-3(lines 652 658) no Hoare annotation was computed. [2020-12-22 06:57:52,801 INFO L189 CegarLoopUtils]: For program point L652-4(lines 652 658) no Hoare annotation was computed. [2020-12-22 06:57:52,801 INFO L189 CegarLoopUtils]: For program point L652-5(lines 652 658) no Hoare annotation was computed. [2020-12-22 06:57:52,802 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:52,802 INFO L185 CegarLoopUtils]: At program point L157(lines 153 159) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:52,802 INFO L189 CegarLoopUtils]: For program point L752(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:57:52,802 INFO L189 CegarLoopUtils]: For program point L752-1(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:57:52,802 INFO L189 CegarLoopUtils]: For program point L752-2(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:57:52,802 INFO L189 CegarLoopUtils]: For program point L752-3(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:57:52,802 INFO L189 CegarLoopUtils]: For program point L752-4(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:57:52,802 INFO L189 CegarLoopUtils]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-12-22 06:57:52,803 INFO L189 CegarLoopUtils]: For program point L752-5(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:57:52,803 INFO L185 CegarLoopUtils]: At program point L720(lines 716 738) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-12-22 06:57:52,803 INFO L185 CegarLoopUtils]: At program point L720-1(lines 716 738) the Hoare annotation is: false [2020-12-22 06:57:52,803 INFO L185 CegarLoopUtils]: At program point L720-2(lines 716 738) the Hoare annotation is: false [2020-12-22 06:57:52,803 INFO L185 CegarLoopUtils]: At program point L61(lines 720 726) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-12-22 06:57:52,803 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:52,803 INFO L185 CegarLoopUtils]: At program point L61-1(lines 720 726) the Hoare annotation is: false [2020-12-22 06:57:52,804 INFO L185 CegarLoopUtils]: At program point L61-2(lines 720 726) the Hoare annotation is: false [2020-12-22 06:57:52,804 INFO L192 CegarLoopUtils]: At program point L194(lines 175 197) the Hoare annotation is: true [2020-12-22 06:57:52,804 INFO L189 CegarLoopUtils]: For program point L756(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:57:52,804 INFO L189 CegarLoopUtils]: For program point L756-1(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:57:52,804 INFO L189 CegarLoopUtils]: For program point L756-2(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:57:52,804 INFO L185 CegarLoopUtils]: At program point L657(lines 648 661) the Hoare annotation is: false [2020-12-22 06:57:52,804 INFO L189 CegarLoopUtils]: For program point L756-3(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:57:52,804 INFO L185 CegarLoopUtils]: At program point L657-1(lines 648 661) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-12-22 06:57:52,805 INFO L189 CegarLoopUtils]: For program point L756-4(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:57:52,805 INFO L185 CegarLoopUtils]: At program point L657-2(lines 648 661) the Hoare annotation is: false [2020-12-22 06:57:52,805 INFO L189 CegarLoopUtils]: For program point L756-5(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:57:52,805 INFO L185 CegarLoopUtils]: At program point L657-3(lines 648 661) the Hoare annotation is: false [2020-12-22 06:57:52,805 INFO L185 CegarLoopUtils]: At program point L657-4(lines 648 661) the Hoare annotation is: false [2020-12-22 06:57:52,805 INFO L185 CegarLoopUtils]: At program point L657-5(lines 648 661) the Hoare annotation is: false [2020-12-22 06:57:52,805 INFO L189 CegarLoopUtils]: For program point L956(lines 956 969) no Hoare annotation was computed. [2020-12-22 06:57:52,805 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:52,805 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 702) no Hoare annotation was computed. [2020-12-22 06:57:52,806 INFO L185 CegarLoopUtils]: At program point L693(lines 688 696) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:52,806 INFO L185 CegarLoopUtils]: At program point L727(lines 727 733) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-12-22 06:57:52,806 INFO L185 CegarLoopUtils]: At program point L727-1(lines 727 733) the Hoare annotation is: false [2020-12-22 06:57:52,806 INFO L185 CegarLoopUtils]: At program point L727-2(lines 727 733) the Hoare annotation is: false [2020-12-22 06:57:52,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:52 BoogieIcfgContainer [2020-12-22 06:57:52,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:52,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:52,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:52,862 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:52,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:46" (3/4) ... [2020-12-22 06:57:52,866 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:52,889 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:52,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:52,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:52,893 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:52,895 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:52,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:52,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:52,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((1 <= pumpRunning && tmp <= 2) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 [2020-12-22 06:57:52,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 [2020-12-22 06:57:52,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:52,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:53,031 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product46.cil.c-witness.graphml [2020-12-22 06:57:53,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:53,032 INFO L168 Benchmark]: Toolchain (without parser) took 8253.51 ms. Allocated memory was 160.4 MB in the beginning and 248.5 MB in the end (delta: 88.1 MB). Free memory was 133.6 MB in the beginning and 196.0 MB in the end (delta: -62.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:53,033 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 160.4 MB. Free memory is still 132.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:53,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.83 ms. Allocated memory is still 160.4 MB. Free memory was 133.4 MB in the beginning and 111.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:53,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.20 ms. Allocated memory is still 160.4 MB. Free memory was 111.5 MB in the beginning and 107.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:53,034 INFO L168 Benchmark]: Boogie Preprocessor took 123.38 ms. Allocated memory is still 160.4 MB. Free memory was 107.4 MB in the beginning and 140.9 MB in the end (delta: -33.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:53,034 INFO L168 Benchmark]: RCFGBuilder took 1267.52 ms. Allocated memory is still 160.4 MB. Free memory was 140.4 MB in the beginning and 72.3 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:53,035 INFO L168 Benchmark]: TraceAbstraction took 5873.87 ms. Allocated memory was 160.4 MB in the beginning and 248.5 MB in the end (delta: 88.1 MB). Free memory was 71.7 MB in the beginning and 208.2 MB in the end (delta: -136.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:53,035 INFO L168 Benchmark]: Witness Printer took 169.99 ms. Allocated memory is still 248.5 MB. Free memory was 208.2 MB in the beginning and 196.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:53,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 160.4 MB. Free memory is still 132.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 700.83 ms. Allocated memory is still 160.4 MB. Free memory was 133.4 MB in the beginning and 111.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 109.20 ms. Allocated memory is still 160.4 MB. Free memory was 111.5 MB in the beginning and 107.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 123.38 ms. Allocated memory is still 160.4 MB. Free memory was 107.4 MB in the beginning and 140.9 MB in the end (delta: -33.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1267.52 ms. Allocated memory is still 160.4 MB. Free memory was 140.4 MB in the beginning and 72.3 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5873.87 ms. Allocated memory was 160.4 MB in the beginning and 248.5 MB in the end (delta: 88.1 MB). Free memory was 71.7 MB in the beginning and 208.2 MB in the end (delta: -136.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 8.0 GB. * Witness Printer took 169.99 ms. Allocated memory is still 248.5 MB. Free memory was 208.2 MB in the beginning and 196.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 702]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 702]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 702]: 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: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((1 <= pumpRunning && tmp <= 2) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1107 SDtfs, 1341 SDslu, 1385 SDs, 0 SdLazy, 240 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 449 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 169 NumberOfFragments, 693 HoareAnnotationTreeSize, 62 FomulaSimplifications, 34743 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 5477 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 32751 SizeOfPredicates, 3 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 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...