/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:08,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:08,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:08,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:54:08,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:08,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:08,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:08,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:08,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:08,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:08,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:08,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:08,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:08,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:08,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:08,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:08,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:08,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:08,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:08,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:08,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:08,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:08,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:08,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:08,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:08,889 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:08,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:08,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:08,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:08,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:08,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:08,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:08,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:08,893 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:08,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:08,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:08,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:08,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:08,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:08,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:08,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:08,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:08,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:08,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:08,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:08,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:08,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:09,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:09,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:09,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:09,478 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:09,478 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:09,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2020-12-22 06:54:09,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473d73bb3/947b062693834d4887a2fcec30ad8821/FLAG560b85674 [2020-12-22 06:54:10,161 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:10,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2020-12-22 06:54:10,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473d73bb3/947b062693834d4887a2fcec30ad8821/FLAG560b85674 [2020-12-22 06:54:10,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473d73bb3/947b062693834d4887a2fcec30ad8821 [2020-12-22 06:54:10,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:10,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:10,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:10,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:10,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:10,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:10" (1/1) ... [2020-12-22 06:54:10,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d08a090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:10, skipping insertion in model container [2020-12-22 06:54:10,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:10" (1/1) ... [2020-12-22 06:54:10,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:10,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:10,961 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[16850,16863] [2020-12-22 06:54:10,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:10,976 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:11,101 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[16850,16863] [2020-12-22 06:54:11,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:11,137 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:11,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11 WrapperNode [2020-12-22 06:54:11,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:11,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:11,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:11,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:11,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:11,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:11,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:11,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:11,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... [2020-12-22 06:54:11,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:11,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:11,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:11,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:11,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:12,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:12,352 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2020-12-22 06:54:12,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:12 BoogieIcfgContainer [2020-12-22 06:54:12,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:12,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:12,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:12,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:12,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:10" (1/3) ... [2020-12-22 06:54:12,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a24ea51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:12, skipping insertion in model container [2020-12-22 06:54:12,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:11" (2/3) ... [2020-12-22 06:54:12,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a24ea51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:12, skipping insertion in model container [2020-12-22 06:54:12,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:12" (3/3) ... [2020-12-22 06:54:12,387 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2020-12-22 06:54:12,404 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:12,428 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:12,455 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:12,487 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:12,487 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:12,487 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:12,487 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:12,487 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:12,488 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:12,488 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:12,488 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-12-22 06:54:12,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:12,512 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:12,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:12,514 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:12,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:12,520 INFO L82 PathProgramCache]: Analyzing trace with hash -805652889, now seen corresponding path program 1 times [2020-12-22 06:54:12,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:12,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864713658] [2020-12-22 06:54:12,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:12,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864713658] [2020-12-22 06:54:12,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:12,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:12,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843433766] [2020-12-22 06:54:12,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:12,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:12,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:12,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:12,898 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-12-22 06:54:12,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:12,937 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2020-12-22 06:54:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:12,939 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:12,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:12,955 INFO L225 Difference]: With dead ends: 115 [2020-12-22 06:54:12,955 INFO L226 Difference]: Without dead ends: 57 [2020-12-22 06:54:12,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:12,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-22 06:54:13,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-22 06:54:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-22 06:54:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-12-22 06:54:13,018 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2020-12-22 06:54:13,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:13,018 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-12-22 06:54:13,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-12-22 06:54:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:13,020 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:13,021 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:13,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:13,022 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:13,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:13,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1024488858, now seen corresponding path program 1 times [2020-12-22 06:54:13,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:13,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670087273] [2020-12-22 06:54:13,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:13,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670087273] [2020-12-22 06:54:13,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:13,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:13,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136021804] [2020-12-22 06:54:13,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:13,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:13,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:13,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:13,188 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2020-12-22 06:54:13,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:13,198 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-12-22 06:54:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:13,199 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:13,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:13,200 INFO L225 Difference]: With dead ends: 57 [2020-12-22 06:54:13,201 INFO L226 Difference]: Without dead ends: 29 [2020-12-22 06:54:13,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:13,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-22 06:54:13,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-22 06:54:13,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-22 06:54:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-12-22 06:54:13,207 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-12-22 06:54:13,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:13,207 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-12-22 06:54:13,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:13,208 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-12-22 06:54:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:13,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:13,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:13,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:13,209 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:13,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:13,210 INFO L82 PathProgramCache]: Analyzing trace with hash -2087364582, now seen corresponding path program 1 times [2020-12-22 06:54:13,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:13,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612350785] [2020-12-22 06:54:13,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:13,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612350785] [2020-12-22 06:54:13,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:13,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:13,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333899142] [2020-12-22 06:54:13,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:13,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:13,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:13,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:13,306 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-12-22 06:54:13,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:13,405 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2020-12-22 06:54:13,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:13,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:54:13,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:13,408 INFO L225 Difference]: With dead ends: 112 [2020-12-22 06:54:13,408 INFO L226 Difference]: Without dead ends: 90 [2020-12-22 06:54:13,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:13,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-12-22 06:54:13,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2020-12-22 06:54:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-22 06:54:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-12-22 06:54:13,419 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2020-12-22 06:54:13,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:13,419 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-12-22 06:54:13,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-12-22 06:54:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:54:13,421 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:13,421 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] [2020-12-22 06:54:13,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:13,421 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:13,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:13,422 INFO L82 PathProgramCache]: Analyzing trace with hash -837026654, now seen corresponding path program 1 times [2020-12-22 06:54:13,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:13,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809441759] [2020-12-22 06:54:13,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:13,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809441759] [2020-12-22 06:54:13,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:13,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:13,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169471914] [2020-12-22 06:54:13,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:13,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:13,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:13,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:13,505 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2020-12-22 06:54:13,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:13,582 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2020-12-22 06:54:13,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:13,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:54:13,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:13,584 INFO L225 Difference]: With dead ends: 132 [2020-12-22 06:54:13,584 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:13,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:54:13,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:13,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:13,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-22 06:54:13,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:13,586 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:13,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:13,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:13,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:13,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:13,771 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2020-12-22 06:54:13,771 INFO L189 CegarLoopUtils]: For program point L862(line 862) no Hoare annotation was computed. [2020-12-22 06:54:13,771 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:13,771 INFO L189 CegarLoopUtils]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-12-22 06:54:13,771 INFO L189 CegarLoopUtils]: For program point L862-2(line 862) no Hoare annotation was computed. [2020-12-22 06:54:13,772 INFO L189 CegarLoopUtils]: For program point L185(lines 185 202) no Hoare annotation was computed. [2020-12-22 06:54:13,772 INFO L185 CegarLoopUtils]: At program point L185-1(lines 1 865) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:13,772 INFO L189 CegarLoopUtils]: For program point L185-2(lines 185 202) no Hoare annotation was computed. [2020-12-22 06:54:13,773 INFO L185 CegarLoopUtils]: At program point L185-3(lines 1 865) the Hoare annotation is: false [2020-12-22 06:54:13,773 INFO L189 CegarLoopUtils]: For program point L185-4(lines 185 202) no Hoare annotation was computed. [2020-12-22 06:54:13,773 INFO L185 CegarLoopUtils]: At program point L185-5(lines 1 865) the Hoare annotation is: false [2020-12-22 06:54:13,773 INFO L189 CegarLoopUtils]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-12-22 06:54:13,773 INFO L189 CegarLoopUtils]: For program point L831(lines 831 844) no Hoare annotation was computed. [2020-12-22 06:54:13,774 INFO L185 CegarLoopUtils]: At program point L683(lines 682 701) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:13,774 INFO L189 CegarLoopUtils]: For program point L683-1(lines 683 689) no Hoare annotation was computed. [2020-12-22 06:54:13,774 INFO L185 CegarLoopUtils]: At program point L683-2(lines 682 701) the Hoare annotation is: false [2020-12-22 06:54:13,774 INFO L185 CegarLoopUtils]: At program point L683-3(lines 682 701) the Hoare annotation is: false [2020-12-22 06:54:13,775 INFO L185 CegarLoopUtils]: At program point L634(lines 630 636) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:13,775 INFO L185 CegarLoopUtils]: At program point L849(lines 800 850) the Hoare annotation is: false [2020-12-22 06:54:13,775 INFO L185 CegarLoopUtils]: At program point L585-2(lines 585 599) the Hoare annotation is: false [2020-12-22 06:54:13,777 INFO L189 CegarLoopUtils]: For program point L189(lines 189 199) no Hoare annotation was computed. [2020-12-22 06:54:13,777 INFO L192 CegarLoopUtils]: At program point L668(lines 649 671) the Hoare annotation is: true [2020-12-22 06:54:13,777 INFO L189 CegarLoopUtils]: For program point L189-2(lines 189 199) no Hoare annotation was computed. [2020-12-22 06:54:13,777 INFO L189 CegarLoopUtils]: For program point L189-4(lines 189 199) no Hoare annotation was computed. [2020-12-22 06:54:13,777 INFO L189 CegarLoopUtils]: For program point L586(line 586) no Hoare annotation was computed. [2020-12-22 06:54:13,778 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:13,778 INFO L189 CegarLoopUtils]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-12-22 06:54:13,778 INFO L189 CegarLoopUtils]: For program point L190-2(lines 190 196) no Hoare annotation was computed. [2020-12-22 06:54:13,778 INFO L189 CegarLoopUtils]: For program point L190-4(lines 190 196) no Hoare annotation was computed. [2020-12-22 06:54:13,778 INFO L185 CegarLoopUtils]: At program point L174(lines 169 176) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:13,779 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:13,779 INFO L189 CegarLoopUtils]: For program point L802(lines 801 848) no Hoare annotation was computed. [2020-12-22 06:54:13,779 INFO L189 CegarLoopUtils]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-12-22 06:54:13,779 INFO L189 CegarLoopUtils]: For program point L92-3(lines 92 96) no Hoare annotation was computed. [2020-12-22 06:54:13,780 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2020-12-22 06:54:13,780 INFO L189 CegarLoopUtils]: For program point L92-6(lines 92 96) no Hoare annotation was computed. [2020-12-22 06:54:13,780 INFO L189 CegarLoopUtils]: For program point L803(lines 803 807) no Hoare annotation was computed. [2020-12-22 06:54:13,780 INFO L189 CegarLoopUtils]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-12-22 06:54:13,780 INFO L189 CegarLoopUtils]: For program point L589-1(lines 683 689) no Hoare annotation was computed. [2020-12-22 06:54:13,780 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:13,781 INFO L189 CegarLoopUtils]: For program point L821(lines 821 827) no Hoare annotation was computed. [2020-12-22 06:54:13,781 INFO L185 CegarLoopUtils]: At program point L821-1(lines 821 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:13,781 INFO L185 CegarLoopUtils]: At program point L690(lines 690 696) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:13,781 INFO L185 CegarLoopUtils]: At program point L690-1(lines 690 696) the Hoare annotation is: false [2020-12-22 06:54:13,781 INFO L185 CegarLoopUtils]: At program point L690-2(lines 690 696) the Hoare annotation is: false [2020-12-22 06:54:13,781 INFO L189 CegarLoopUtils]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-12-22 06:54:13,782 INFO L185 CegarLoopUtils]: At program point L839-2(lines 683 689) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:13,782 INFO L185 CegarLoopUtils]: At program point L129(lines 124 132) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:13,782 INFO L185 CegarLoopUtils]: At program point L129-1(lines 124 132) the Hoare annotation is: false [2020-12-22 06:54:13,782 INFO L185 CegarLoopUtils]: At program point L129-2(lines 124 132) the Hoare annotation is: false [2020-12-22 06:54:13,782 INFO L189 CegarLoopUtils]: For program point L659(lines 659 666) no Hoare annotation was computed. [2020-12-22 06:54:13,782 INFO L192 CegarLoopUtils]: At program point L659-1(lines 659 666) the Hoare annotation is: true [2020-12-22 06:54:13,782 INFO L185 CegarLoopUtils]: At program point L742(lines 737 745) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:13,783 INFO L185 CegarLoopUtils]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2020-12-22 06:54:13,783 INFO L185 CegarLoopUtils]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2020-12-22 06:54:13,783 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:13,783 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2020-12-22 06:54:13,784 INFO L189 CegarLoopUtils]: For program point L116(lines 116 120) no Hoare annotation was computed. [2020-12-22 06:54:13,784 INFO L185 CegarLoopUtils]: At program point L67(lines 1 865) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:13,784 INFO L189 CegarLoopUtils]: For program point L811(lines 811 817) no Hoare annotation was computed. [2020-12-22 06:54:13,785 INFO L185 CegarLoopUtils]: At program point L811-1(lines 811 817) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:13,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:13 BoogieIcfgContainer [2020-12-22 06:54:13,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:13,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:13,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:13,819 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:13,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:12" (3/4) ... [2020-12-22 06:54:13,823 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:13,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:13,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:13,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:13,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:13,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:13,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:13,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:13,889 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:54:13,969 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product02.cil.c-witness.graphml [2020-12-22 06:54:13,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:13,974 INFO L168 Benchmark]: Toolchain (without parser) took 3475.45 ms. Allocated memory is still 152.0 MB. Free memory was 126.2 MB in the beginning and 117.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:13,975 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:13,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.22 ms. Allocated memory is still 152.0 MB. Free memory was 126.2 MB in the beginning and 106.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:13,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.46 ms. Allocated memory is still 152.0 MB. Free memory was 106.3 MB in the beginning and 103.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:13,977 INFO L168 Benchmark]: Boogie Preprocessor took 37.16 ms. Allocated memory is still 152.0 MB. Free memory was 103.7 MB in the beginning and 101.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:13,978 INFO L168 Benchmark]: RCFGBuilder took 1114.82 ms. Allocated memory is still 152.0 MB. Free memory was 101.7 MB in the beginning and 52.8 MB in the end (delta: 48.9 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:13,978 INFO L168 Benchmark]: TraceAbstraction took 1461.56 ms. Allocated memory is still 152.0 MB. Free memory was 52.3 MB in the beginning and 122.2 MB in the end (delta: -69.9 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:13,979 INFO L168 Benchmark]: Witness Printer took 150.01 ms. Allocated memory is still 152.0 MB. Free memory was 122.2 MB in the beginning and 117.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:13,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 641.22 ms. Allocated memory is still 152.0 MB. Free memory was 126.2 MB in the beginning and 106.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 62.46 ms. Allocated memory is still 152.0 MB. Free memory was 106.3 MB in the beginning and 103.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.16 ms. Allocated memory is still 152.0 MB. Free memory was 103.7 MB in the beginning and 101.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1114.82 ms. Allocated memory is still 152.0 MB. Free memory was 101.7 MB in the beginning and 52.8 MB in the end (delta: 48.9 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1461.56 ms. Allocated memory is still 152.0 MB. Free memory was 52.3 MB in the beginning and 122.2 MB in the end (delta: -69.9 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. * Witness Printer took 150.01 ms. Allocated memory is still 152.0 MB. Free memory was 122.2 MB in the beginning and 117.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: 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: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 67 NumberOfFragments, 101 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...