/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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:34,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:34,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:34,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:57:34,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:34,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:34,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:34,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:34,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:34,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:34,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:34,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:34,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:34,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:34,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:34,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:34,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:34,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:34,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:34,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:34,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:34,815 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:34,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:34,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:34,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:34,821 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:34,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:34,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:34,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:34,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:34,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:34,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:34,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:34,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:34,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:34,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:34,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:34,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:34,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:34,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:34,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:34,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:34,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:34,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:34,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:34,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:34,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:35,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:35,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:35,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:35,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:35,321 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:35,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2020-12-22 06:57:35,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e39cedd/70c33e55a53d437faa701c7c608cef7b/FLAGa217208f6 [2020-12-22 06:57:36,215 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:36,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2020-12-22 06:57:36,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e39cedd/70c33e55a53d437faa701c7c608cef7b/FLAGa217208f6 [2020-12-22 06:57:36,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e39cedd/70c33e55a53d437faa701c7c608cef7b [2020-12-22 06:57:36,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:36,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:36,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:36,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:36,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:36,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:36" (1/1) ... [2020-12-22 06:57:36,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4203bfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:36, skipping insertion in model container [2020-12-22 06:57:36,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:36" (1/1) ... [2020-12-22 06:57:36,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:36,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:36,795 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_product34.cil.c[1817,1830] [2020-12-22 06:57:36,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:36,961 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:36,997 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_product34.cil.c[1817,1830] [2020-12-22 06:57:37,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:37,161 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:37,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37 WrapperNode [2020-12-22 06:57:37,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:37,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:37,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:37,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:37,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:37,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:37,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:37,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:37,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (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 06:57:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:38,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:38,395 INFO L299 CfgBuilder]: Removed 112 assume(true) statements. [2020-12-22 06:57:38,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38 BoogieIcfgContainer [2020-12-22 06:57:38,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:38,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:38,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:38,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:38,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:36" (1/3) ... [2020-12-22 06:57:38,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0f6180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:38, skipping insertion in model container [2020-12-22 06:57:38,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (2/3) ... [2020-12-22 06:57:38,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0f6180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:38, skipping insertion in model container [2020-12-22 06:57:38,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38" (3/3) ... [2020-12-22 06:57:38,407 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-12-22 06:57:38,414 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:38,419 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:38,440 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:38,469 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:38,470 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:38,470 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:38,470 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:38,470 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:38,470 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:38,470 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:38,471 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-12-22 06:57:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:38,496 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:38,497 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 06:57:38,498 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:38,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:38,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1820159384, now seen corresponding path program 1 times [2020-12-22 06:57:38,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:38,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7037040] [2020-12-22 06:57:38,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:38,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7037040] [2020-12-22 06:57:38,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:38,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:38,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426439209] [2020-12-22 06:57:38,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:38,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:38,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:38,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:38,924 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2020-12-22 06:57:38,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:38,972 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2020-12-22 06:57:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:38,974 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:38,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:38,986 INFO L225 Difference]: With dead ends: 167 [2020-12-22 06:57:38,986 INFO L226 Difference]: Without dead ends: 83 [2020-12-22 06:57:38,990 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 06:57:39,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-22 06:57:39,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-22 06:57:39,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-22 06:57:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2020-12-22 06:57:39,040 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2020-12-22 06:57:39,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,041 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2020-12-22 06:57:39,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-12-22 06:57:39,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:39,043 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,043 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 06:57:39,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:39,044 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,045 INFO L82 PathProgramCache]: Analyzing trace with hash -14139831, now seen corresponding path program 1 times [2020-12-22 06:57:39,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987848281] [2020-12-22 06:57:39,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,237 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 06:57:39,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987848281] [2020-12-22 06:57:39,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:39,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273288049] [2020-12-22 06:57:39,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,250 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2020-12-22 06:57:39,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,273 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2020-12-22 06:57:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:39,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,277 INFO L225 Difference]: With dead ends: 83 [2020-12-22 06:57:39,277 INFO L226 Difference]: Without dead ends: 38 [2020-12-22 06:57:39,278 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 06:57:39,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-22 06:57:39,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-12-22 06:57:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-22 06:57:39,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2020-12-22 06:57:39,291 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2020-12-22 06:57:39,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,293 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2020-12-22 06:57:39,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2020-12-22 06:57:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:39,295 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,295 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 06:57:39,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:39,295 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1021335289, now seen corresponding path program 1 times [2020-12-22 06:57:39,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61661742] [2020-12-22 06:57:39,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,454 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 06:57:39,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61661742] [2020-12-22 06:57:39,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:39,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262476670] [2020-12-22 06:57:39,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,462 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2020-12-22 06:57:39,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,507 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2020-12-22 06:57:39,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:39,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,513 INFO L225 Difference]: With dead ends: 69 [2020-12-22 06:57:39,513 INFO L226 Difference]: Without dead ends: 38 [2020-12-22 06:57:39,514 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 06:57:39,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-22 06:57:39,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-12-22 06:57:39,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-22 06:57:39,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-12-22 06:57:39,530 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2020-12-22 06:57:39,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,532 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-12-22 06:57:39,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-12-22 06:57:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:57:39,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:39,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:39,535 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1742927995, now seen corresponding path program 1 times [2020-12-22 06:57:39,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906753560] [2020-12-22 06:57:39,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,660 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 06:57:39,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906753560] [2020-12-22 06:57:39,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:39,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950143217] [2020-12-22 06:57:39,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,668 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2020-12-22 06:57:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,712 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2020-12-22 06:57:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-22 06:57:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,714 INFO L225 Difference]: With dead ends: 93 [2020-12-22 06:57:39,714 INFO L226 Difference]: Without dead ends: 62 [2020-12-22 06:57:39,715 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 06:57:39,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-12-22 06:57:39,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-12-22 06:57:39,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-22 06:57:39,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2020-12-22 06:57:39,724 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2020-12-22 06:57:39,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,724 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2020-12-22 06:57:39,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-12-22 06:57:39,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:39,725 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:39,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:39,726 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1221487882, now seen corresponding path program 1 times [2020-12-22 06:57:39,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344400504] [2020-12-22 06:57:39,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,802 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 06:57:39,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344400504] [2020-12-22 06:57:39,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:39,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042073384] [2020-12-22 06:57:39,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:39,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:39,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:39,805 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2020-12-22 06:57:39,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,882 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2020-12-22 06:57:39,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:39,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:39,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,885 INFO L225 Difference]: With dead ends: 157 [2020-12-22 06:57:39,885 INFO L226 Difference]: Without dead ends: 104 [2020-12-22 06:57:39,886 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 06:57:39,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-22 06:57:39,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2020-12-22 06:57:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-22 06:57:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-12-22 06:57:39,904 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2020-12-22 06:57:39,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,905 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-12-22 06:57:39,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:39,905 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-12-22 06:57:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:39,906 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:39,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:39,907 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,907 INFO L82 PathProgramCache]: Analyzing trace with hash -2140015705, now seen corresponding path program 1 times [2020-12-22 06:57:39,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239300975] [2020-12-22 06:57:39,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,984 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 06:57:39,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239300975] [2020-12-22 06:57:39,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:39,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737035298] [2020-12-22 06:57:39,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:39,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:39,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:39,987 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2020-12-22 06:57:40,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,148 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2020-12-22 06:57:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:40,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:40,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,151 INFO L225 Difference]: With dead ends: 216 [2020-12-22 06:57:40,151 INFO L226 Difference]: Without dead ends: 160 [2020-12-22 06:57:40,152 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 06:57:40,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-12-22 06:57:40,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-12-22 06:57:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-22 06:57:40,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2020-12-22 06:57:40,163 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2020-12-22 06:57:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,163 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2020-12-22 06:57:40,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2020-12-22 06:57:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:40,164 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:40,165 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1922552460, now seen corresponding path program 1 times [2020-12-22 06:57:40,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405952580] [2020-12-22 06:57:40,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,282 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 06:57:40,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405952580] [2020-12-22 06:57:40,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:40,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994100439] [2020-12-22 06:57:40,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:40,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:40,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:40,286 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2020-12-22 06:57:40,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,403 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2020-12-22 06:57:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:40,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:40,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,405 INFO L225 Difference]: With dead ends: 164 [2020-12-22 06:57:40,406 INFO L226 Difference]: Without dead ends: 109 [2020-12-22 06:57:40,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:40,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-22 06:57:40,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2020-12-22 06:57:40,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-12-22 06:57:40,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2020-12-22 06:57:40,417 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2020-12-22 06:57:40,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,418 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2020-12-22 06:57:40,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-12-22 06:57:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:40,419 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:40,420 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1335746446, now seen corresponding path program 1 times [2020-12-22 06:57:40,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344730691] [2020-12-22 06:57:40,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,479 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 06:57:40,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344730691] [2020-12-22 06:57:40,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:40,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328532021] [2020-12-22 06:57:40,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:40,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:40,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,482 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2020-12-22 06:57:40,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,527 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2020-12-22 06:57:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:40,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 06:57:40,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,529 INFO L225 Difference]: With dead ends: 148 [2020-12-22 06:57:40,529 INFO L226 Difference]: Without dead ends: 91 [2020-12-22 06:57:40,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-12-22 06:57:40,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-12-22 06:57:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-12-22 06:57:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2020-12-22 06:57:40,543 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2020-12-22 06:57:40,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,543 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2020-12-22 06:57:40,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:40,543 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2020-12-22 06:57:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:40,545 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,545 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 06:57:40,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:40,546 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1064588722, now seen corresponding path program 1 times [2020-12-22 06:57:40,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671597369] [2020-12-22 06:57:40,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,778 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 06:57:40,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671597369] [2020-12-22 06:57:40,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:40,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936798917] [2020-12-22 06:57:40,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:40,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:40,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:40,785 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 7 states. [2020-12-22 06:57:41,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,253 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2020-12-22 06:57:41,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:41,254 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-12-22 06:57:41,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,258 INFO L225 Difference]: With dead ends: 420 [2020-12-22 06:57:41,258 INFO L226 Difference]: Without dead ends: 363 [2020-12-22 06:57:41,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:41,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-12-22 06:57:41,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2020-12-22 06:57:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-22 06:57:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2020-12-22 06:57:41,303 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2020-12-22 06:57:41,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,308 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2020-12-22 06:57:41,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:41,308 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2020-12-22 06:57:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:57:41,315 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:41,316 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] [2020-12-22 06:57:41,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:41,316 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:41,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:41,317 INFO L82 PathProgramCache]: Analyzing trace with hash 160053225, now seen corresponding path program 1 times [2020-12-22 06:57:41,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:41,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768073617] [2020-12-22 06:57:41,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,473 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 06:57:41,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768073617] [2020-12-22 06:57:41,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544808048] [2020-12-22 06:57:41,475 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 06:57:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:41,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:41,949 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 06:57:41,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:41,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-22 06:57:41,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235871439] [2020-12-22 06:57:41,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 06:57:41,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:41,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 06:57:41,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:41,952 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand 9 states. [2020-12-22 06:57:42,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:42,256 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2020-12-22 06:57:42,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:42,257 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-12-22 06:57:42,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:42,258 INFO L225 Difference]: With dead ends: 282 [2020-12-22 06:57:42,258 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:42,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:57:42,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:42,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:42,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-12-22 06:57:42,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:42,261 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:42,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 06:57:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:42,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:42,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:42,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:43,087 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2020-12-22 06:57:43,195 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2020-12-22 06:57:43,327 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2020-12-22 06:57:43,458 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-12-22 06:57:43,654 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 24 [2020-12-22 06:57:43,819 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-22 06:57:43,947 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-12-22 06:57:44,082 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2020-12-22 06:57:44,346 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2020-12-22 06:57:44,391 INFO L189 CegarLoopUtils]: For program point L927(lines 927 934) no Hoare annotation was computed. [2020-12-22 06:57:44,391 INFO L192 CegarLoopUtils]: At program point L927-1(lines 927 934) the Hoare annotation is: true [2020-12-22 06:57:44,391 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2020-12-22 06:57:44,391 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:44,392 INFO L189 CegarLoopUtils]: For program point L599(lines 599 612) no Hoare annotation was computed. [2020-12-22 06:57:44,393 INFO L185 CegarLoopUtils]: At program point L649(lines 649 655) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse5 .cse1 .cse6 .cse3) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2020-12-22 06:57:44,393 INFO L185 CegarLoopUtils]: At program point L649-1(lines 649 655) the Hoare annotation is: false [2020-12-22 06:57:44,393 INFO L185 CegarLoopUtils]: At program point L649-2(lines 649 655) the Hoare annotation is: false [2020-12-22 06:57:44,394 INFO L185 CegarLoopUtils]: At program point L550(lines 541 554) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2020-12-22 06:57:44,394 INFO L185 CegarLoopUtils]: At program point L550-1(lines 541 554) the Hoare annotation is: false [2020-12-22 06:57:44,394 INFO L185 CegarLoopUtils]: At program point L550-2(lines 541 554) the Hoare annotation is: false [2020-12-22 06:57:44,394 INFO L189 CegarLoopUtils]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-12-22 06:57:44,394 INFO L189 CegarLoopUtils]: For program point L468-3(lines 468 472) no Hoare annotation was computed. [2020-12-22 06:57:44,395 INFO L185 CegarLoopUtils]: At program point L782(lines 767 785) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2020-12-22 06:57:44,395 INFO L189 CegarLoopUtils]: For program point L468-6(lines 468 472) no Hoare annotation was computed. [2020-12-22 06:57:44,395 INFO L185 CegarLoopUtils]: At program point L782-1(lines 767 785) the Hoare annotation is: false [2020-12-22 06:57:44,395 INFO L185 CegarLoopUtils]: At program point L782-2(lines 767 785) the Hoare annotation is: false [2020-12-22 06:57:44,395 INFO L185 CegarLoopUtils]: At program point L617(lines 568 618) the Hoare annotation is: false [2020-12-22 06:57:44,395 INFO L185 CegarLoopUtils]: At program point L801(lines 796 803) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:44,396 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:44,396 INFO L189 CegarLoopUtils]: For program point L570(lines 569 616) no Hoare annotation was computed. [2020-12-22 06:57:44,396 INFO L185 CegarLoopUtils]: At program point L537(lines 532 540) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse5 .cse6) (and .cse8 .cse2 .cse1 .cse3 .cse4 .cse6 .cse7) (and .cse8 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse6 .cse7))) [2020-12-22 06:57:44,396 INFO L185 CegarLoopUtils]: At program point L537-1(lines 532 540) the Hoare annotation is: false [2020-12-22 06:57:44,396 INFO L185 CegarLoopUtils]: At program point L537-2(lines 532 540) the Hoare annotation is: false [2020-12-22 06:57:44,397 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:44,397 INFO L189 CegarLoopUtils]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-12-22 06:57:44,397 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2020-12-22 06:57:44,397 INFO L189 CegarLoopUtils]: For program point L589(lines 589 595) no Hoare annotation was computed. [2020-12-22 06:57:44,397 INFO L185 CegarLoopUtils]: At program point L589-1(lines 589 595) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2020-12-22 06:57:44,398 INFO L192 CegarLoopUtils]: At program point L936(lines 917 939) the Hoare annotation is: true [2020-12-22 06:57:44,398 INFO L185 CegarLoopUtils]: At program point L903(lines 899 905) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:44,398 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:44,398 INFO L189 CegarLoopUtils]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-12-22 06:57:44,398 INFO L185 CegarLoopUtils]: At program point L607-2(lines 607 611) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2020-12-22 06:57:44,399 INFO L189 CegarLoopUtils]: For program point L822(lines 822 839) no Hoare annotation was computed. [2020-12-22 06:57:44,399 INFO L185 CegarLoopUtils]: At program point L822-1(lines 1 939) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6 2)) (.cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6)) (.cse5 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8) (and (= ~waterLevel~0 1) .cse2 .cse5 .cse6) (and .cse9 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse6 .cse7))) [2020-12-22 06:57:44,399 INFO L185 CegarLoopUtils]: At program point L855-2(lines 855 869) the Hoare annotation is: false [2020-12-22 06:57:44,399 INFO L189 CegarLoopUtils]: For program point L822-2(lines 822 839) no Hoare annotation was computed. [2020-12-22 06:57:44,399 INFO L185 CegarLoopUtils]: At program point L822-3(lines 1 939) the Hoare annotation is: false [2020-12-22 06:57:44,400 INFO L189 CegarLoopUtils]: For program point L822-4(lines 822 839) no Hoare annotation was computed. [2020-12-22 06:57:44,400 INFO L185 CegarLoopUtils]: At program point L822-5(lines 1 939) the Hoare annotation is: false [2020-12-22 06:57:44,400 INFO L189 CegarLoopUtils]: For program point L492(lines 492 496) no Hoare annotation was computed. [2020-12-22 06:57:44,400 INFO L189 CegarLoopUtils]: For program point L674(lines 674 691) no Hoare annotation was computed. [2020-12-22 06:57:44,400 INFO L189 CegarLoopUtils]: For program point L674-1(lines 674 691) no Hoare annotation was computed. [2020-12-22 06:57:44,400 INFO L189 CegarLoopUtils]: For program point L674-2(lines 674 691) no Hoare annotation was computed. [2020-12-22 06:57:44,400 INFO L189 CegarLoopUtils]: For program point L856(line 856) no Hoare annotation was computed. [2020-12-22 06:57:44,401 INFO L185 CegarLoopUtils]: At program point L642(lines 638 660) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse2 .cse3))) [2020-12-22 06:57:44,401 INFO L185 CegarLoopUtils]: At program point L642-1(lines 638 660) the Hoare annotation is: false [2020-12-22 06:57:44,401 INFO L185 CegarLoopUtils]: At program point L642-2(lines 638 660) the Hoare annotation is: false [2020-12-22 06:57:44,401 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:44,401 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2020-12-22 06:57:44,401 INFO L189 CegarLoopUtils]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-12-22 06:57:44,402 INFO L189 CegarLoopUtils]: For program point L776-2(lines 776 780) no Hoare annotation was computed. [2020-12-22 06:57:44,402 INFO L189 CegarLoopUtils]: For program point L776-3(lines 776 780) no Hoare annotation was computed. [2020-12-22 06:57:44,402 INFO L189 CegarLoopUtils]: For program point L776-5(lines 776 780) no Hoare annotation was computed. [2020-12-22 06:57:44,402 INFO L189 CegarLoopUtils]: For program point L776-6(lines 776 780) no Hoare annotation was computed. [2020-12-22 06:57:44,402 INFO L189 CegarLoopUtils]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-12-22 06:57:44,402 INFO L189 CegarLoopUtils]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2020-12-22 06:57:44,402 INFO L189 CegarLoopUtils]: For program point L776-8(lines 776 780) no Hoare annotation was computed. [2020-12-22 06:57:44,403 INFO L189 CegarLoopUtils]: For program point L545-2(lines 545 551) no Hoare annotation was computed. [2020-12-22 06:57:44,403 INFO L189 CegarLoopUtils]: For program point L859(lines 859 863) no Hoare annotation was computed. [2020-12-22 06:57:44,403 INFO L189 CegarLoopUtils]: For program point L826(lines 826 836) no Hoare annotation was computed. [2020-12-22 06:57:44,403 INFO L189 CegarLoopUtils]: For program point L859-1(lines 859 863) no Hoare annotation was computed. [2020-12-22 06:57:44,403 INFO L189 CegarLoopUtils]: For program point L826-2(lines 826 836) no Hoare annotation was computed. [2020-12-22 06:57:44,403 INFO L185 CegarLoopUtils]: At program point L727(lines 722 730) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~waterLevel~0 1) .cse2 .cse6 .cse7 .cse4) (and .cse2 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse4 .cse5))) [2020-12-22 06:57:44,404 INFO L185 CegarLoopUtils]: At program point L727-1(lines 722 730) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (<= ~waterLevel~0 2)))) [2020-12-22 06:57:44,404 INFO L189 CegarLoopUtils]: For program point L826-4(lines 826 836) no Hoare annotation was computed. [2020-12-22 06:57:44,404 INFO L185 CegarLoopUtils]: At program point L727-2(lines 722 730) the Hoare annotation is: false [2020-12-22 06:57:44,404 INFO L185 CegarLoopUtils]: At program point L727-3(lines 722 730) the Hoare annotation is: false [2020-12-22 06:57:44,404 INFO L185 CegarLoopUtils]: At program point L727-4(lines 722 730) the Hoare annotation is: false [2020-12-22 06:57:44,404 INFO L185 CegarLoopUtils]: At program point L727-5(lines 722 730) the Hoare annotation is: false [2020-12-22 06:57:44,405 INFO L189 CegarLoopUtils]: For program point L678(lines 678 686) no Hoare annotation was computed. [2020-12-22 06:57:44,405 INFO L189 CegarLoopUtils]: For program point L678-1(lines 678 686) no Hoare annotation was computed. [2020-12-22 06:57:44,405 INFO L189 CegarLoopUtils]: For program point L678-2(lines 678 686) no Hoare annotation was computed. [2020-12-22 06:57:44,405 INFO L185 CegarLoopUtils]: At program point L67(lines 1 939) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:44,405 INFO L189 CegarLoopUtils]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-12-22 06:57:44,405 INFO L185 CegarLoopUtils]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2020-12-22 06:57:44,406 INFO L189 CegarLoopUtils]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-12-22 06:57:44,406 INFO L189 CegarLoopUtils]: For program point L827(lines 827 833) no Hoare annotation was computed. [2020-12-22 06:57:44,406 INFO L189 CegarLoopUtils]: For program point L827-2(lines 827 833) no Hoare annotation was computed. [2020-12-22 06:57:44,406 INFO L189 CegarLoopUtils]: For program point L827-4(lines 827 833) no Hoare annotation was computed. [2020-12-22 06:57:44,406 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2020-12-22 06:57:44,406 INFO L189 CegarLoopUtils]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-12-22 06:57:44,406 INFO L189 CegarLoopUtils]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-12-22 06:57:44,407 INFO L185 CegarLoopUtils]: At program point L811(lines 642 648) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse3 .cse4))) [2020-12-22 06:57:44,407 INFO L185 CegarLoopUtils]: At program point L811-1(lines 642 648) the Hoare annotation is: false [2020-12-22 06:57:44,407 INFO L185 CegarLoopUtils]: At program point L811-2(lines 642 648) the Hoare annotation is: false [2020-12-22 06:57:44,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:44 BoogieIcfgContainer [2020-12-22 06:57:44,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:44,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:44,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:44,440 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:44,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38" (3/4) ... [2020-12-22 06:57:44,445 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:44,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:44,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:44,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:44,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:44,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:44,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:44,469 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:44,500 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || ((((((((1 <= pumpRunning && tmp <= 2) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,500 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,501 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,501 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,502 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,503 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,503 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,503 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,504 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((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 06:57:44,505 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,505 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,506 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:44,606 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product34.cil.c-witness.graphml [2020-12-22 06:57:44,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:44,607 INFO L168 Benchmark]: Toolchain (without parser) took 8158.73 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 125.7 MB in the beginning and 190.9 MB in the end (delta: -65.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:44,608 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 123.9 MB in the end (delta: 72.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:44,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.42 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.7 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:44,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.57 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 101.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:44,610 INFO L168 Benchmark]: Boogie Preprocessor took 106.37 ms. Allocated memory is still 151.0 MB. Free memory was 101.5 MB in the beginning and 132.4 MB in the end (delta: -30.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:44,611 INFO L168 Benchmark]: RCFGBuilder took 1055.69 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 77.4 MB in the end (delta: 55.0 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:44,611 INFO L168 Benchmark]: TraceAbstraction took 6040.29 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 77.4 MB in the beginning and 198.8 MB in the end (delta: -121.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:44,612 INFO L168 Benchmark]: Witness Printer took 166.07 ms. Allocated memory is still 228.6 MB. Free memory was 198.8 MB in the beginning and 190.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:44,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 123.9 MB in the end (delta: 72.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 709.42 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.7 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 70.57 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 101.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 106.37 ms. Allocated memory is still 151.0 MB. Free memory was 101.5 MB in the beginning and 132.4 MB in the end (delta: -30.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1055.69 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 77.4 MB in the end (delta: 55.0 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6040.29 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 77.4 MB in the beginning and 198.8 MB in the end (delta: -121.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 8.0 GB. * Witness Printer took 166.07 ms. Allocated memory is still 228.6 MB. Free memory was 198.8 MB in the beginning and 190.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: 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: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((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: 767]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || ((((((((1 <= pumpRunning && tmp <= 2) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 779 SDtfs, 1015 SDslu, 1172 SDs, 0 SdLazy, 194 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred 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, 394 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 96 NumberOfFragments, 791 HoareAnnotationTreeSize, 38 FomulaSimplifications, 22228 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 38 FomulaSimplificationsInter, 1220 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 26395 SizeOfPredicates, 3 NumberOfNonLiveVariables, 423 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...