/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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:35,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:35,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:35,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:57:35,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:35,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:35,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:35,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:35,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:35,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:35,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:35,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:35,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:35,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:35,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:35,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:35,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:35,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:35,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:35,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:35,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:35,448 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:35,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:35,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:35,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:35,451 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:35,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:35,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:35,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:35,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:35,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:35,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:35,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:35,454 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:35,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:35,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:35,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:35,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:35,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:35,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:35,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:35,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:35,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:35,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:35,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:35,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:35,458 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:35,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:35,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:35,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:35,917 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:35,918 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:35,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2020-12-22 06:57:36,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89dc5207/c299c531290b40e89d58ae7d47b403ab/FLAGf9558b060 [2020-12-22 06:57:36,804 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:36,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2020-12-22 06:57:36,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89dc5207/c299c531290b40e89d58ae7d47b403ab/FLAGf9558b060 [2020-12-22 06:57:37,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89dc5207/c299c531290b40e89d58ae7d47b403ab [2020-12-22 06:57:37,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:37,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:37,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:37,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:37,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:37,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eea1dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37, skipping insertion in model container [2020-12-22 06:57:37,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:37,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:37,350 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_product38.cil.c[1281,1294] [2020-12-22 06:57:37,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:37,618 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:37,651 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_product38.cil.c[1281,1294] [2020-12-22 06:57:37,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:37,798 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:37,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37 WrapperNode [2020-12-22 06:57:37,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:37,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:37,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:37,810 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 06:57:37,829 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 06:57:37,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:37,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:37,933 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 06:57:37,934 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 06:57:37,951 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 06:57:37,956 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 06:57:37,980 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 06:57:37,989 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 06:57:37,993 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 06:57:37,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:38,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:38,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:38,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:38,001 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 06:57:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:39,233 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:39,233 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2020-12-22 06:57:39,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:39 BoogieIcfgContainer [2020-12-22 06:57:39,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:39,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:39,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:39,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:39,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:37" (1/3) ... [2020-12-22 06:57:39,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d09849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:39, skipping insertion in model container [2020-12-22 06:57:39,249 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 06:57:39,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d09849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:39, skipping insertion in model container [2020-12-22 06:57:39,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:39" (3/3) ... [2020-12-22 06:57:39,251 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-12-22 06:57:39,258 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:39,264 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:39,284 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:39,313 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:39,314 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:39,314 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:39,314 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:39,314 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:39,314 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:39,314 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:39,314 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-12-22 06:57:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:39,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,345 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 06:57:39,345 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1109177434, now seen corresponding path program 1 times [2020-12-22 06:57:39,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100523085] [2020-12-22 06:57:39,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,689 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 06:57:39,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100523085] [2020-12-22 06:57:39,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:39,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426464831] [2020-12-22 06:57:39,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:39,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:39,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:39,719 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-12-22 06:57:39,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,759 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2020-12-22 06:57:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:39,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:39,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,775 INFO L225 Difference]: With dead ends: 233 [2020-12-22 06:57:39,776 INFO L226 Difference]: Without dead ends: 116 [2020-12-22 06:57:39,780 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 06:57:39,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-22 06:57:39,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-22 06:57:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-22 06:57:39,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2020-12-22 06:57:39,837 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2020-12-22 06:57:39,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,837 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2020-12-22 06:57:39,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2020-12-22 06:57:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:39,839 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,839 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 06:57:39,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:39,840 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1379770309, now seen corresponding path program 1 times [2020-12-22 06:57:39,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118038212] [2020-12-22 06:57:39,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,999 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 06:57:40,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118038212] [2020-12-22 06:57:40,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:40,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386713041] [2020-12-22 06:57:40,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:40,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:40,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,004 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2020-12-22 06:57:40,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,021 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2020-12-22 06:57:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:40,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:40,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,024 INFO L225 Difference]: With dead ends: 116 [2020-12-22 06:57:40,024 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:57:40,026 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 06:57:40,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:57:40,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:57:40,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:57:40,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-12-22 06:57:40,034 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2020-12-22 06:57:40,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,034 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-12-22 06:57:40,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-12-22 06:57:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:40,036 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,036 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 06:57:40,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:40,037 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,038 INFO L82 PathProgramCache]: Analyzing trace with hash 872222713, now seen corresponding path program 1 times [2020-12-22 06:57:40,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561466724] [2020-12-22 06:57:40,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,207 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 06:57:40,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561466724] [2020-12-22 06:57:40,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:40,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413672891] [2020-12-22 06:57:40,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:40,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:40,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,211 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-12-22 06:57:40,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,240 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-12-22 06:57:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:40,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:40,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,242 INFO L225 Difference]: With dead ends: 91 [2020-12-22 06:57:40,242 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:57:40,243 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 06:57:40,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:57:40,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:57:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:57:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2020-12-22 06:57:40,251 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2020-12-22 06:57:40,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,251 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2020-12-22 06:57:40,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2020-12-22 06:57:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:57:40,253 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:40,254 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1991893424, now seen corresponding path program 1 times [2020-12-22 06:57:40,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722937692] [2020-12-22 06:57:40,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,392 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 06:57:40,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722937692] [2020-12-22 06:57:40,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:40,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470988493] [2020-12-22 06:57:40,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:40,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:40,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,403 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2020-12-22 06:57:40,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,495 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2020-12-22 06:57:40,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:40,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 06:57:40,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,501 INFO L225 Difference]: With dead ends: 115 [2020-12-22 06:57:40,502 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 06:57:40,506 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 06:57:40,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 06:57:40,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2020-12-22 06:57:40,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:57:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-12-22 06:57:40,553 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2020-12-22 06:57:40,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,554 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-12-22 06:57:40,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-12-22 06:57:40,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:40,555 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,555 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 06:57:40,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:40,556 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1071015423, now seen corresponding path program 1 times [2020-12-22 06:57:40,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515828899] [2020-12-22 06:57:40,558 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 06:57:40,646 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 06:57:40,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515828899] [2020-12-22 06:57:40,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:40,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881159775] [2020-12-22 06:57:40,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:40,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:40,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:40,649 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2020-12-22 06:57:40,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,836 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2020-12-22 06:57:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:40,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,838 INFO L225 Difference]: With dead ends: 190 [2020-12-22 06:57:40,839 INFO L226 Difference]: Without dead ends: 126 [2020-12-22 06:57:40,839 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 06:57:40,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-12-22 06:57:40,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2020-12-22 06:57:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-22 06:57:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2020-12-22 06:57:40,849 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2020-12-22 06:57:40,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,849 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2020-12-22 06:57:40,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2020-12-22 06:57:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:40,851 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,851 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 06:57:40,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:40,851 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,852 INFO L82 PathProgramCache]: Analyzing trace with hash 2004479132, now seen corresponding path program 1 times [2020-12-22 06:57:40,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12662140] [2020-12-22 06:57:40,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,933 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 06:57:40,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12662140] [2020-12-22 06:57:40,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:40,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102118474] [2020-12-22 06:57:40,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:40,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:40,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:40,936 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2020-12-22 06:57:41,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,185 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2020-12-22 06:57:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:41,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:41,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,188 INFO L225 Difference]: With dead ends: 260 [2020-12-22 06:57:41,188 INFO L226 Difference]: Without dead ends: 190 [2020-12-22 06:57:41,189 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 06:57:41,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-12-22 06:57:41,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2020-12-22 06:57:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-22 06:57:41,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2020-12-22 06:57:41,206 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2020-12-22 06:57:41,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,210 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2020-12-22 06:57:41,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2020-12-22 06:57:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:41,213 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:41,213 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 06:57:41,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:41,214 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:41,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:41,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1772080001, now seen corresponding path program 1 times [2020-12-22 06:57:41,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:41,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093745572] [2020-12-22 06:57:41,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,340 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 06:57:41,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093745572] [2020-12-22 06:57:41,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:41,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:41,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245634247] [2020-12-22 06:57:41,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:41,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:41,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:41,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:41,345 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 5 states. [2020-12-22 06:57:41,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,487 INFO L93 Difference]: Finished difference Result 199 states and 267 transitions. [2020-12-22 06:57:41,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:41,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:41,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,489 INFO L225 Difference]: With dead ends: 199 [2020-12-22 06:57:41,489 INFO L226 Difference]: Without dead ends: 130 [2020-12-22 06:57:41,492 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 06:57:41,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-12-22 06:57:41,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 80. [2020-12-22 06:57:41,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-22 06:57:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2020-12-22 06:57:41,522 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2020-12-22 06:57:41,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,524 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2020-12-22 06:57:41,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2020-12-22 06:57:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:41,526 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:41,526 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 06:57:41,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:41,527 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:41,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:41,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1185273987, now seen corresponding path program 1 times [2020-12-22 06:57:41,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:41,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659850142] [2020-12-22 06:57:41,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,628 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 06:57:41,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659850142] [2020-12-22 06:57:41,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:41,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:41,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776033153] [2020-12-22 06:57:41,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:41,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:41,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:41,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:41,635 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2020-12-22 06:57:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,679 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2020-12-22 06:57:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:41,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:57:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,682 INFO L225 Difference]: With dead ends: 181 [2020-12-22 06:57:41,682 INFO L226 Difference]: Without dead ends: 108 [2020-12-22 06:57:41,683 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 06:57:41,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-22 06:57:41,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-12-22 06:57:41,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-12-22 06:57:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2020-12-22 06:57:41,699 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2020-12-22 06:57:41,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,699 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2020-12-22 06:57:41,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2020-12-22 06:57:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:41,704 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:41,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:41,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:41,705 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:41,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:41,705 INFO L82 PathProgramCache]: Analyzing trace with hash -210672189, now seen corresponding path program 1 times [2020-12-22 06:57:41,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:41,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869437629] [2020-12-22 06:57:41,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,910 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 06:57:41,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869437629] [2020-12-22 06:57:41,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:41,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:41,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769856293] [2020-12-22 06:57:41,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:41,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:41,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:41,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:41,923 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 7 states. [2020-12-22 06:57:42,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:42,391 INFO L93 Difference]: Finished difference Result 512 states and 685 transitions. [2020-12-22 06:57:42,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:42,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-12-22 06:57:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:42,397 INFO L225 Difference]: With dead ends: 512 [2020-12-22 06:57:42,397 INFO L226 Difference]: Without dead ends: 439 [2020-12-22 06:57:42,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:42,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-12-22 06:57:42,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 186. [2020-12-22 06:57:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-12-22 06:57:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2020-12-22 06:57:42,431 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 35 [2020-12-22 06:57:42,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:42,431 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2020-12-22 06:57:42,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2020-12-22 06:57:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:57:42,438 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:42,439 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:42,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:42,439 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:42,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:42,440 INFO L82 PathProgramCache]: Analyzing trace with hash 681323361, now seen corresponding path program 1 times [2020-12-22 06:57:42,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:42,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334421778] [2020-12-22 06:57:42,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:42,544 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 06:57:42,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334421778] [2020-12-22 06:57:42,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37057126] [2020-12-22 06:57:42,545 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 06:57:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:42,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:42,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:42,913 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 06:57:42,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:42,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-22 06:57:42,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688755736] [2020-12-22 06:57:42,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:57:42,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:42,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:57:42,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:42,923 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand 8 states. [2020-12-22 06:57:43,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:43,224 INFO L93 Difference]: Finished difference Result 426 states and 570 transitions. [2020-12-22 06:57:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:57:43,225 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-12-22 06:57:43,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:43,226 INFO L225 Difference]: With dead ends: 426 [2020-12-22 06:57:43,226 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:43,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:57:43,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:43,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:43,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-12-22 06:57:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:43,228 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:43,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:57:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:43,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:43,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:43,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:44,177 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2020-12-22 06:57:44,330 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2020-12-22 06:57:44,543 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2020-12-22 06:57:44,869 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2020-12-22 06:57:45,008 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-12-22 06:57:45,185 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2020-12-22 06:57:45,256 INFO L185 CegarLoopUtils]: At program point L894(lines 889 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,256 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,256 INFO L185 CegarLoopUtils]: At program point L796(lines 791 799) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse4) (and .cse1 .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:45,257 INFO L185 CegarLoopUtils]: At program point L796-1(lines 791 799) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-12-22 06:57:45,257 INFO L185 CegarLoopUtils]: At program point L796-2(lines 791 799) the Hoare annotation is: false [2020-12-22 06:57:45,257 INFO L185 CegarLoopUtils]: At program point L796-3(lines 791 799) the Hoare annotation is: false [2020-12-22 06:57:45,257 INFO L185 CegarLoopUtils]: At program point L796-4(lines 791 799) the Hoare annotation is: false [2020-12-22 06:57:45,257 INFO L185 CegarLoopUtils]: At program point L796-5(lines 791 799) the Hoare annotation is: false [2020-12-22 06:57:45,257 INFO L189 CegarLoopUtils]: For program point L929(lines 929 935) no Hoare annotation was computed. [2020-12-22 06:57:45,258 INFO L185 CegarLoopUtils]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2))) [2020-12-22 06:57:45,258 INFO L185 CegarLoopUtils]: At program point L666(lines 657 670) the Hoare annotation is: false [2020-12-22 06:57:45,258 INFO L185 CegarLoopUtils]: At program point L666-1(lines 657 670) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-12-22 06:57:45,258 INFO L185 CegarLoopUtils]: At program point L666-2(lines 657 670) the Hoare annotation is: false [2020-12-22 06:57:45,258 INFO L185 CegarLoopUtils]: At program point L666-3(lines 657 670) the Hoare annotation is: false [2020-12-22 06:57:45,258 INFO L185 CegarLoopUtils]: At program point L666-4(lines 657 670) the Hoare annotation is: false [2020-12-22 06:57:45,258 INFO L185 CegarLoopUtils]: At program point L666-5(lines 657 670) the Hoare annotation is: false [2020-12-22 06:57:45,259 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,259 INFO L185 CegarLoopUtils]: At program point L175(lines 685 691) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-12-22 06:57:45,259 INFO L185 CegarLoopUtils]: At program point L175-1(lines 685 691) the Hoare annotation is: false [2020-12-22 06:57:45,259 INFO L185 CegarLoopUtils]: At program point L175-2(lines 685 691) the Hoare annotation is: false [2020-12-22 06:57:45,259 INFO L189 CegarLoopUtils]: For program point L143(lines 143 150) no Hoare annotation was computed. [2020-12-22 06:57:45,260 INFO L192 CegarLoopUtils]: At program point L143-1(lines 143 150) the Hoare annotation is: true [2020-12-22 06:57:45,260 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,260 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,260 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,260 INFO L189 CegarLoopUtils]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-12-22 06:57:45,260 INFO L189 CegarLoopUtils]: For program point L939(lines 939 952) no Hoare annotation was computed. [2020-12-22 06:57:45,261 INFO L185 CegarLoopUtils]: At program point L114(lines 110 116) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,261 INFO L189 CegarLoopUtils]: For program point L743(lines 743 760) no Hoare annotation was computed. [2020-12-22 06:57:45,261 INFO L189 CegarLoopUtils]: For program point L743-1(lines 743 760) no Hoare annotation was computed. [2020-12-22 06:57:45,261 INFO L189 CegarLoopUtils]: For program point L743-2(lines 743 760) no Hoare annotation was computed. [2020-12-22 06:57:45,261 INFO L189 CegarLoopUtils]: For program point L910(lines 909 956) no Hoare annotation was computed. [2020-12-22 06:57:45,261 INFO L189 CegarLoopUtils]: For program point L911(lines 911 915) no Hoare annotation was computed. [2020-12-22 06:57:45,262 INFO L189 CegarLoopUtils]: For program point L845(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,262 INFO L189 CegarLoopUtils]: For program point L845-2(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,262 INFO L189 CegarLoopUtils]: For program point L845-3(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,262 INFO L189 CegarLoopUtils]: For program point L845-5(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,262 INFO L189 CegarLoopUtils]: For program point L845-6(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,262 INFO L189 CegarLoopUtils]: For program point L845-8(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,262 INFO L189 CegarLoopUtils]: For program point L845-9(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,262 INFO L189 CegarLoopUtils]: For program point L845-11(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,262 INFO L189 CegarLoopUtils]: For program point L845-12(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,263 INFO L189 CegarLoopUtils]: For program point L845-14(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,263 INFO L189 CegarLoopUtils]: For program point L845-15(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,263 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,263 INFO L189 CegarLoopUtils]: For program point L845-17(lines 845 849) no Hoare annotation was computed. [2020-12-22 06:57:45,263 INFO L192 CegarLoopUtils]: At program point L152(lines 133 155) the Hoare annotation is: true [2020-12-22 06:57:45,263 INFO L189 CegarLoopUtils]: For program point L747(lines 747 755) no Hoare annotation was computed. [2020-12-22 06:57:45,264 INFO L189 CegarLoopUtils]: For program point L747-1(lines 747 755) no Hoare annotation was computed. [2020-12-22 06:57:45,264 INFO L189 CegarLoopUtils]: For program point L747-2(lines 747 755) no Hoare annotation was computed. [2020-12-22 06:57:45,264 INFO L189 CegarLoopUtils]: For program point L186(lines 186 203) no Hoare annotation was computed. [2020-12-22 06:57:45,264 INFO L185 CegarLoopUtils]: At program point L186-1(lines 1 964) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1) .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2))) [2020-12-22 06:57:45,264 INFO L189 CegarLoopUtils]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2020-12-22 06:57:45,264 INFO L185 CegarLoopUtils]: At program point L186-3(lines 1 964) the Hoare annotation is: false [2020-12-22 06:57:45,265 INFO L189 CegarLoopUtils]: For program point L186-4(lines 186 203) no Hoare annotation was computed. [2020-12-22 06:57:45,265 INFO L185 CegarLoopUtils]: At program point L186-5(lines 1 964) the Hoare annotation is: false [2020-12-22 06:57:45,265 INFO L189 CegarLoopUtils]: For program point L947(lines 947 951) no Hoare annotation was computed. [2020-12-22 06:57:45,265 INFO L185 CegarLoopUtils]: At program point L947-2(lines 947 951) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2))) [2020-12-22 06:57:45,265 INFO L189 CegarLoopUtils]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-12-22 06:57:45,265 INFO L189 CegarLoopUtils]: For program point L584-3(lines 584 588) no Hoare annotation was computed. [2020-12-22 06:57:45,266 INFO L189 CegarLoopUtils]: For program point L584-6(lines 584 588) no Hoare annotation was computed. [2020-12-22 06:57:45,266 INFO L189 CegarLoopUtils]: For program point L717(lines 717 734) no Hoare annotation was computed. [2020-12-22 06:57:45,266 INFO L189 CegarLoopUtils]: For program point L717-1(lines 717 734) no Hoare annotation was computed. [2020-12-22 06:57:45,266 INFO L189 CegarLoopUtils]: For program point L717-2(lines 717 734) no Hoare annotation was computed. [2020-12-22 06:57:45,266 INFO L189 CegarLoopUtils]: For program point L717-3(lines 717 734) no Hoare annotation was computed. [2020-12-22 06:57:45,266 INFO L189 CegarLoopUtils]: For program point L717-4(lines 717 734) no Hoare annotation was computed. [2020-12-22 06:57:45,266 INFO L189 CegarLoopUtils]: For program point L717-5(lines 717 734) no Hoare annotation was computed. [2020-12-22 06:57:45,266 INFO L185 CegarLoopUtils]: At program point L685(lines 681 703) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-12-22 06:57:45,267 INFO L185 CegarLoopUtils]: At program point L685-1(lines 681 703) the Hoare annotation is: false [2020-12-22 06:57:45,267 INFO L185 CegarLoopUtils]: At program point L685-2(lines 681 703) the Hoare annotation is: false [2020-12-22 06:57:45,267 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,267 INFO L189 CegarLoopUtils]: For program point L190(lines 190 200) no Hoare annotation was computed. [2020-12-22 06:57:45,267 INFO L189 CegarLoopUtils]: For program point L190-2(lines 190 200) no Hoare annotation was computed. [2020-12-22 06:57:45,267 INFO L189 CegarLoopUtils]: For program point L190-4(lines 190 200) no Hoare annotation was computed. [2020-12-22 06:57:45,267 INFO L185 CegarLoopUtils]: At program point L851(lines 836 854) the Hoare annotation is: false [2020-12-22 06:57:45,268 INFO L185 CegarLoopUtils]: At program point L851-1(lines 836 854) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3))) [2020-12-22 06:57:45,268 INFO L185 CegarLoopUtils]: At program point L851-2(lines 836 854) the Hoare annotation is: false [2020-12-22 06:57:45,268 INFO L185 CegarLoopUtils]: At program point L851-3(lines 836 854) the Hoare annotation is: false [2020-12-22 06:57:45,268 INFO L185 CegarLoopUtils]: At program point L851-4(lines 836 854) the Hoare annotation is: false [2020-12-22 06:57:45,268 INFO L185 CegarLoopUtils]: At program point L851-5(lines 836 854) the Hoare annotation is: false [2020-12-22 06:57:45,268 INFO L185 CegarLoopUtils]: At program point L653(lines 648 656) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2020-12-22 06:57:45,268 INFO L185 CegarLoopUtils]: At program point L653-1(lines 648 656) the Hoare annotation is: false [2020-12-22 06:57:45,269 INFO L185 CegarLoopUtils]: At program point L653-2(lines 648 656) the Hoare annotation is: false [2020-12-22 06:57:45,269 INFO L189 CegarLoopUtils]: For program point L191(lines 191 197) no Hoare annotation was computed. [2020-12-22 06:57:45,269 INFO L189 CegarLoopUtils]: For program point L191-2(lines 191 197) no Hoare annotation was computed. [2020-12-22 06:57:45,269 INFO L189 CegarLoopUtils]: For program point L191-4(lines 191 197) no Hoare annotation was computed. [2020-12-22 06:57:45,269 INFO L185 CegarLoopUtils]: At program point L621(lines 616 624) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) [2020-12-22 06:57:45,269 INFO L185 CegarLoopUtils]: At program point L621-1(lines 616 624) the Hoare annotation is: false [2020-12-22 06:57:45,269 INFO L185 CegarLoopUtils]: At program point L621-2(lines 616 624) the Hoare annotation is: false [2020-12-22 06:57:45,269 INFO L189 CegarLoopUtils]: For program point L919(lines 919 925) no Hoare annotation was computed. [2020-12-22 06:57:45,270 INFO L185 CegarLoopUtils]: At program point L886(lines 1 964) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,270 INFO L185 CegarLoopUtils]: At program point L919-1(lines 919 925) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2))) [2020-12-22 06:57:45,270 INFO L185 CegarLoopUtils]: At program point L787(lines 780 790) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) [2020-12-22 06:57:45,270 INFO L185 CegarLoopUtils]: At program point L787-1(lines 780 790) the Hoare annotation is: false [2020-12-22 06:57:45,270 INFO L189 CegarLoopUtils]: For program point L721(lines 721 729) no Hoare annotation was computed. [2020-12-22 06:57:45,270 INFO L185 CegarLoopUtils]: At program point L787-2(lines 780 790) the Hoare annotation is: false [2020-12-22 06:57:45,271 INFO L189 CegarLoopUtils]: For program point L721-1(lines 721 729) no Hoare annotation was computed. [2020-12-22 06:57:45,271 INFO L189 CegarLoopUtils]: For program point L721-2(lines 721 729) no Hoare annotation was computed. [2020-12-22 06:57:45,271 INFO L189 CegarLoopUtils]: For program point L721-3(lines 721 729) no Hoare annotation was computed. [2020-12-22 06:57:45,271 INFO L189 CegarLoopUtils]: For program point L721-4(lines 721 729) no Hoare annotation was computed. [2020-12-22 06:57:45,271 INFO L189 CegarLoopUtils]: For program point L721-5(lines 721 729) no Hoare annotation was computed. [2020-12-22 06:57:45,271 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,272 INFO L185 CegarLoopUtils]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2020-12-22 06:57:45,272 INFO L189 CegarLoopUtils]: For program point L64(line 64) no Hoare annotation was computed. [2020-12-22 06:57:45,272 INFO L185 CegarLoopUtils]: At program point L692(lines 692 698) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-12-22 06:57:45,272 INFO L185 CegarLoopUtils]: At program point L692-1(lines 692 698) the Hoare annotation is: false [2020-12-22 06:57:45,272 INFO L185 CegarLoopUtils]: At program point L692-2(lines 692 698) the Hoare annotation is: false [2020-12-22 06:57:45,272 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,272 INFO L185 CegarLoopUtils]: At program point L957(lines 908 958) the Hoare annotation is: false [2020-12-22 06:57:45,273 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,273 INFO L185 CegarLoopUtils]: At program point L165(lines 160 167) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,273 INFO L189 CegarLoopUtils]: For program point L661(lines 661 667) no Hoare annotation was computed. [2020-12-22 06:57:45,273 INFO L189 CegarLoopUtils]: For program point L661-1(lines 661 667) no Hoare annotation was computed. [2020-12-22 06:57:45,273 INFO L189 CegarLoopUtils]: For program point L661-2(lines 661 667) no Hoare annotation was computed. [2020-12-22 06:57:45,273 INFO L189 CegarLoopUtils]: For program point L661-3(lines 661 667) no Hoare annotation was computed. [2020-12-22 06:57:45,273 INFO L189 CegarLoopUtils]: For program point L661-4(lines 661 667) no Hoare annotation was computed. [2020-12-22 06:57:45,274 INFO L189 CegarLoopUtils]: For program point L661-5(lines 661 667) no Hoare annotation was computed. [2020-12-22 06:57:45,274 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:57:45,274 INFO L189 CegarLoopUtils]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:57:45,274 INFO L189 CegarLoopUtils]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-12-22 06:57:45,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:45 BoogieIcfgContainer [2020-12-22 06:57:45,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:45,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:45,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:45,304 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:45,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:39" (3/4) ... [2020-12-22 06:57:45,308 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:45,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:45,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:45,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:45,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:45,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:45,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:45,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:45,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && tmp <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 1 < tmp) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-22 06:57:45,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,369 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,369 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,370 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-22 06:57:45,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 [2020-12-22 06:57:45,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 [2020-12-22 06:57:45,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,376 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((tmp___0 == 0 && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:45,472 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product38.cil.c-witness.graphml [2020-12-22 06:57:45,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:45,473 INFO L168 Benchmark]: Toolchain (without parser) took 8365.04 ms. Allocated memory was 152.0 MB in the beginning and 190.8 MB in the end (delta: 38.8 MB). Free memory was 126.1 MB in the beginning and 109.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,473 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:45,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.89 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 104.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.71 ms. Allocated memory is still 152.0 MB. Free memory was 104.6 MB in the beginning and 100.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,478 INFO L168 Benchmark]: Boogie Preprocessor took 84.18 ms. Allocated memory is still 152.0 MB. Free memory was 100.8 MB in the beginning and 98.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,478 INFO L168 Benchmark]: RCFGBuilder took 1235.72 ms. Allocated memory is still 152.0 MB. Free memory was 98.1 MB in the beginning and 114.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 52.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,479 INFO L168 Benchmark]: TraceAbstraction took 6065.75 ms. Allocated memory was 152.0 MB in the beginning and 190.8 MB in the end (delta: 38.8 MB). Free memory was 114.0 MB in the beginning and 119.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 95.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,479 INFO L168 Benchmark]: Witness Printer took 168.42 ms. Allocated memory is still 190.8 MB. Free memory was 119.6 MB in the beginning and 109.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 687.89 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 104.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 113.71 ms. Allocated memory is still 152.0 MB. Free memory was 104.6 MB in the beginning and 100.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 84.18 ms. Allocated memory is still 152.0 MB. Free memory was 100.8 MB in the beginning and 98.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1235.72 ms. Allocated memory is still 152.0 MB. Free memory was 98.1 MB in the beginning and 114.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 52.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6065.75 ms. Allocated memory was 152.0 MB in the beginning and 190.8 MB in the end (delta: 38.8 MB). Free memory was 114.0 MB in the beginning and 119.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 95.9 MB. Max. memory is 8.0 GB. * Witness Printer took 168.42 ms. Allocated memory is still 190.8 MB. Free memory was 119.6 MB in the beginning and 109.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 685]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && tmp <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 1 < tmp) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((tmp___0 == 0 && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1014 SDtfs, 1270 SDslu, 1450 SDs, 0 SdLazy, 252 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 468 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 656 HoareAnnotationTreeSize, 50 FomulaSimplifications, 62643 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 50 FomulaSimplificationsInter, 1925 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 28117 SizeOfPredicates, 3 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...