/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_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:36,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:36,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:36,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:36,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:36,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:36,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:36,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:36,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:36,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:36,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:36,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:36,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:36,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:36,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:36,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:36,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:36,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:36,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:36,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:36,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:36,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:36,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:36,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:36,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:36,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:36,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:36,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:36,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:36,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:36,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:36,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:36,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:36,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:36,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:36,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:36,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:37,013 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:37,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:37,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:37,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:37,015 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:37,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:37,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:37,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:37,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:37,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:37,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:37,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:37,017 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:37,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:37,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:37,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:37,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:37,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:37,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:37,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:37,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:37,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:37,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:37,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:37,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:37,019 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:37,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:37,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:37,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:37,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:37,399 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:37,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2020-12-22 06:54:37,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/145de6593/38bb1af1692a4dd18779cec11d673d6c/FLAGde22c1f1c [2020-12-22 06:54:38,229 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:38,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2020-12-22 06:54:38,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/145de6593/38bb1af1692a4dd18779cec11d673d6c/FLAGde22c1f1c [2020-12-22 06:54:38,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/145de6593/38bb1af1692a4dd18779cec11d673d6c [2020-12-22 06:54:38,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:38,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:38,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:38,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:38,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:38,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14cfb737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38, skipping insertion in model container [2020-12-22 06:54:38,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:38,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:38,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:38,616 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_product39.cil.c[4763,4776] [2020-12-22 06:54:38,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:38,737 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:38,809 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_product39.cil.c[4763,4776] [2020-12-22 06:54:38,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:38,965 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:38,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38 WrapperNode [2020-12-22 06:54:38,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:38,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:38,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:38,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:38,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:39,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:39,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:39,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:39,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:39,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:39,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:39,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:39,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:39,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:39,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:39,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:39,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (1/1) ... [2020-12-22 06:54:39,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:39,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:39,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:39,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:39,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (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 06:54:39,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:40,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:40,425 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2020-12-22 06:54:40,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:40 BoogieIcfgContainer [2020-12-22 06:54:40,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:40,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:40,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:40,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:40,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:38" (1/3) ... [2020-12-22 06:54:40,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0987eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:40, skipping insertion in model container [2020-12-22 06:54:40,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:38" (2/3) ... [2020-12-22 06:54:40,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0987eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:40, skipping insertion in model container [2020-12-22 06:54:40,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:40" (3/3) ... [2020-12-22 06:54:40,440 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-12-22 06:54:40,447 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:40,452 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:40,469 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:40,497 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:40,498 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:40,498 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:40,498 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:40,498 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:40,499 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:40,499 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:40,499 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-12-22 06:54:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:40,525 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:40,526 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 06:54:40,526 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:40,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:40,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1255950434, now seen corresponding path program 1 times [2020-12-22 06:54:40,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:40,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622849461] [2020-12-22 06:54:40,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:40,842 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 06:54:40,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622849461] [2020-12-22 06:54:40,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:40,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:40,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152859219] [2020-12-22 06:54:40,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:40,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:40,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:40,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:40,868 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2020-12-22 06:54:40,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:40,904 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-12-22 06:54:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:40,906 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:40,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:40,918 INFO L225 Difference]: With dead ends: 227 [2020-12-22 06:54:40,919 INFO L226 Difference]: Without dead ends: 113 [2020-12-22 06:54:40,923 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 06:54:40,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-12-22 06:54:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-12-22 06:54:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-12-22 06:54:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2020-12-22 06:54:40,972 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2020-12-22 06:54:40,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:40,973 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2020-12-22 06:54:40,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2020-12-22 06:54:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:40,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:40,975 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 06:54:40,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:40,975 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:40,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:40,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1139511005, now seen corresponding path program 1 times [2020-12-22 06:54:40,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:40,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160871599] [2020-12-22 06:54:40,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:41,139 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 06:54:41,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160871599] [2020-12-22 06:54:41,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:41,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:41,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897874097] [2020-12-22 06:54:41,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:41,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:41,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:41,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:41,144 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2020-12-22 06:54:41,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:41,158 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2020-12-22 06:54:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:41,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:41,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:41,161 INFO L225 Difference]: With dead ends: 113 [2020-12-22 06:54:41,161 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:54:41,162 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 06:54:41,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:54:41,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:54:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:54:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-12-22 06:54:41,169 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-12-22 06:54:41,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:41,169 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-12-22 06:54:41,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-12-22 06:54:41,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:41,171 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:41,171 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 06:54:41,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:41,171 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:41,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:41,172 INFO L82 PathProgramCache]: Analyzing trace with hash 2074006335, now seen corresponding path program 1 times [2020-12-22 06:54:41,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:41,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870202162] [2020-12-22 06:54:41,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:41,318 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 06:54:41,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870202162] [2020-12-22 06:54:41,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:41,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:41,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568650785] [2020-12-22 06:54:41,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:41,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:41,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:41,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:41,325 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-12-22 06:54:41,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:41,367 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2020-12-22 06:54:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:41,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:54:41,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:41,373 INFO L225 Difference]: With dead ends: 133 [2020-12-22 06:54:41,374 INFO L226 Difference]: Without dead ends: 91 [2020-12-22 06:54:41,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:41,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-12-22 06:54:41,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-12-22 06:54:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-22 06:54:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2020-12-22 06:54:41,400 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 24 [2020-12-22 06:54:41,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:41,401 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2020-12-22 06:54:41,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2020-12-22 06:54:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:41,405 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:41,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:41,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:41,405 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:41,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:41,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1559751670, now seen corresponding path program 1 times [2020-12-22 06:54:41,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:41,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248718024] [2020-12-22 06:54:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:41,521 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 06:54:41,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248718024] [2020-12-22 06:54:41,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:41,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:41,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105537375] [2020-12-22 06:54:41,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:41,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:41,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:41,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:41,531 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand 3 states. [2020-12-22 06:54:41,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:41,615 INFO L93 Difference]: Finished difference Result 210 states and 319 transitions. [2020-12-22 06:54:41,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:41,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:54:41,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:41,620 INFO L225 Difference]: With dead ends: 210 [2020-12-22 06:54:41,620 INFO L226 Difference]: Without dead ends: 130 [2020-12-22 06:54:41,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:41,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-12-22 06:54:41,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2020-12-22 06:54:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-12-22 06:54:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2020-12-22 06:54:41,652 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 26 [2020-12-22 06:54:41,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:41,653 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2020-12-22 06:54:41,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2020-12-22 06:54:41,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:54:41,658 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:41,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:41,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:41,659 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:41,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:41,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1899452984, now seen corresponding path program 1 times [2020-12-22 06:54:41,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:41,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461950162] [2020-12-22 06:54:41,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:41,784 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 06:54:41,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461950162] [2020-12-22 06:54:41,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:41,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:41,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366666481] [2020-12-22 06:54:41,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:41,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:41,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:41,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:41,788 INFO L87 Difference]: Start difference. First operand 128 states and 188 transitions. Second operand 5 states. [2020-12-22 06:54:41,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:41,975 INFO L93 Difference]: Finished difference Result 628 states and 933 transitions. [2020-12-22 06:54:41,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:41,976 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-12-22 06:54:41,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:41,979 INFO L225 Difference]: With dead ends: 628 [2020-12-22 06:54:41,979 INFO L226 Difference]: Without dead ends: 507 [2020-12-22 06:54:41,980 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 06:54:41,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-12-22 06:54:42,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 235. [2020-12-22 06:54:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-12-22 06:54:42,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 340 transitions. [2020-12-22 06:54:42,004 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 340 transitions. Word has length 27 [2020-12-22 06:54:42,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:42,005 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 340 transitions. [2020-12-22 06:54:42,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:42,005 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 340 transitions. [2020-12-22 06:54:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:54:42,006 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:42,006 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 06:54:42,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:42,006 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:42,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:42,007 INFO L82 PathProgramCache]: Analyzing trace with hash 961369152, now seen corresponding path program 1 times [2020-12-22 06:54:42,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:42,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083990689] [2020-12-22 06:54:42,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:42,073 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 06:54:42,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083990689] [2020-12-22 06:54:42,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:42,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:42,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312583295] [2020-12-22 06:54:42,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:42,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:42,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:42,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:42,076 INFO L87 Difference]: Start difference. First operand 235 states and 340 transitions. Second operand 5 states. [2020-12-22 06:54:42,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:42,283 INFO L93 Difference]: Finished difference Result 889 states and 1291 transitions. [2020-12-22 06:54:42,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:54:42,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-12-22 06:54:42,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:42,288 INFO L225 Difference]: With dead ends: 889 [2020-12-22 06:54:42,288 INFO L226 Difference]: Without dead ends: 661 [2020-12-22 06:54:42,289 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 06:54:42,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2020-12-22 06:54:42,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 233. [2020-12-22 06:54:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-12-22 06:54:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 334 transitions. [2020-12-22 06:54:42,309 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 334 transitions. Word has length 28 [2020-12-22 06:54:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:42,309 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 334 transitions. [2020-12-22 06:54:42,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 334 transitions. [2020-12-22 06:54:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:42,311 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:42,311 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:42,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:54:42,311 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:42,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:42,312 INFO L82 PathProgramCache]: Analyzing trace with hash 2078564813, now seen corresponding path program 1 times [2020-12-22 06:54:42,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:42,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111136822] [2020-12-22 06:54:42,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:42,371 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 06:54:42,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111136822] [2020-12-22 06:54:42,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:42,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:42,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045458981] [2020-12-22 06:54:42,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:42,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:42,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:42,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:42,374 INFO L87 Difference]: Start difference. First operand 233 states and 334 transitions. Second operand 5 states. [2020-12-22 06:54:42,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:42,525 INFO L93 Difference]: Finished difference Result 639 states and 901 transitions. [2020-12-22 06:54:42,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:42,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:42,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:42,530 INFO L225 Difference]: With dead ends: 639 [2020-12-22 06:54:42,530 INFO L226 Difference]: Without dead ends: 413 [2020-12-22 06:54:42,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:54:42,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-12-22 06:54:42,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 257. [2020-12-22 06:54:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-12-22 06:54:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 358 transitions. [2020-12-22 06:54:42,552 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 358 transitions. Word has length 33 [2020-12-22 06:54:42,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:42,552 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 358 transitions. [2020-12-22 06:54:42,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 358 transitions. [2020-12-22 06:54:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:42,554 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:42,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:42,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:54:42,554 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:42,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:42,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1515337905, now seen corresponding path program 1 times [2020-12-22 06:54:42,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:42,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640760617] [2020-12-22 06:54:42,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:42,649 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 06:54:42,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640760617] [2020-12-22 06:54:42,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:42,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:42,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045144661] [2020-12-22 06:54:42,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:42,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:42,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:42,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:42,652 INFO L87 Difference]: Start difference. First operand 257 states and 358 transitions. Second operand 5 states. [2020-12-22 06:54:42,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:42,816 INFO L93 Difference]: Finished difference Result 723 states and 986 transitions. [2020-12-22 06:54:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:54:42,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:42,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:42,819 INFO L225 Difference]: With dead ends: 723 [2020-12-22 06:54:42,819 INFO L226 Difference]: Without dead ends: 473 [2020-12-22 06:54:42,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 06:54:42,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-12-22 06:54:42,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 273. [2020-12-22 06:54:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-12-22 06:54:42,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 374 transitions. [2020-12-22 06:54:42,842 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 374 transitions. Word has length 33 [2020-12-22 06:54:42,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:42,843 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 374 transitions. [2020-12-22 06:54:42,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 374 transitions. [2020-12-22 06:54:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:42,844 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:42,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:42,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:54:42,844 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:42,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:42,845 INFO L82 PathProgramCache]: Analyzing trace with hash -2102143919, now seen corresponding path program 1 times [2020-12-22 06:54:42,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:42,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238218278] [2020-12-22 06:54:42,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:42,886 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 06:54:42,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238218278] [2020-12-22 06:54:42,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:42,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:42,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372939934] [2020-12-22 06:54:42,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:42,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:42,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:42,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:42,889 INFO L87 Difference]: Start difference. First operand 273 states and 374 transitions. Second operand 3 states. [2020-12-22 06:54:42,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:42,943 INFO L93 Difference]: Finished difference Result 643 states and 875 transitions. [2020-12-22 06:54:42,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:42,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 06:54:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:42,946 INFO L225 Difference]: With dead ends: 643 [2020-12-22 06:54:42,946 INFO L226 Difference]: Without dead ends: 377 [2020-12-22 06:54:42,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:42,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-12-22 06:54:42,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2020-12-22 06:54:42,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-12-22 06:54:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 500 transitions. [2020-12-22 06:54:42,977 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 500 transitions. Word has length 33 [2020-12-22 06:54:42,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:42,977 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 500 transitions. [2020-12-22 06:54:42,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:42,977 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 500 transitions. [2020-12-22 06:54:42,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:54:42,978 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:42,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:42,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:54:42,979 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:42,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:42,979 INFO L82 PathProgramCache]: Analyzing trace with hash -207511791, now seen corresponding path program 1 times [2020-12-22 06:54:42,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:42,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024473003] [2020-12-22 06:54:42,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:43,024 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 06:54:43,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024473003] [2020-12-22 06:54:43,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:43,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:43,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083011448] [2020-12-22 06:54:43,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:43,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:43,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:43,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:43,027 INFO L87 Difference]: Start difference. First operand 377 states and 500 transitions. Second operand 3 states. [2020-12-22 06:54:43,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:43,094 INFO L93 Difference]: Finished difference Result 579 states and 775 transitions. [2020-12-22 06:54:43,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:43,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:54:43,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:43,098 INFO L225 Difference]: With dead ends: 579 [2020-12-22 06:54:43,098 INFO L226 Difference]: Without dead ends: 577 [2020-12-22 06:54:43,098 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 06:54:43,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-12-22 06:54:43,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 460. [2020-12-22 06:54:43,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-12-22 06:54:43,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 624 transitions. [2020-12-22 06:54:43,149 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 624 transitions. Word has length 34 [2020-12-22 06:54:43,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:43,149 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 624 transitions. [2020-12-22 06:54:43,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:43,149 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 624 transitions. [2020-12-22 06:54:43,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:54:43,151 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:43,151 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:43,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:54:43,151 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:43,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:43,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1115593900, now seen corresponding path program 1 times [2020-12-22 06:54:43,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:43,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809413054] [2020-12-22 06:54:43,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:54:43,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809413054] [2020-12-22 06:54:43,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:43,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:43,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147377414] [2020-12-22 06:54:43,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:43,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:43,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:43,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:43,198 INFO L87 Difference]: Start difference. First operand 460 states and 624 transitions. Second operand 3 states. [2020-12-22 06:54:43,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:43,257 INFO L93 Difference]: Finished difference Result 552 states and 745 transitions. [2020-12-22 06:54:43,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:43,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-22 06:54:43,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:43,259 INFO L225 Difference]: With dead ends: 552 [2020-12-22 06:54:43,259 INFO L226 Difference]: Without dead ends: 228 [2020-12-22 06:54:43,260 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 06:54:43,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-12-22 06:54:43,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2020-12-22 06:54:43,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-12-22 06:54:43,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2020-12-22 06:54:43,278 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 54 [2020-12-22 06:54:43,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:43,279 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2020-12-22 06:54:43,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2020-12-22 06:54:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:54:43,280 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:43,280 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 06:54:43,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:54:43,280 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:43,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:43,281 INFO L82 PathProgramCache]: Analyzing trace with hash -540947520, now seen corresponding path program 1 times [2020-12-22 06:54:43,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:43,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139357417] [2020-12-22 06:54:43,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 06:54:43,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139357417] [2020-12-22 06:54:43,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834180012] [2020-12-22 06:54:43,392 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 06:54:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:43,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-22 06:54:43,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:54:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:54:43,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:54:43,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2020-12-22 06:54:43,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368434968] [2020-12-22 06:54:43,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:43,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:43,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:43,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:54:43,841 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 6 states. [2020-12-22 06:54:44,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:44,072 INFO L93 Difference]: Finished difference Result 720 states and 937 transitions. [2020-12-22 06:54:44,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:54:44,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-12-22 06:54:44,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:44,076 INFO L225 Difference]: With dead ends: 720 [2020-12-22 06:54:44,076 INFO L226 Difference]: Without dead ends: 499 [2020-12-22 06:54:44,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-12-22 06:54:44,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-12-22 06:54:44,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2020-12-22 06:54:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-12-22 06:54:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 260 transitions. [2020-12-22 06:54:44,100 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 260 transitions. Word has length 56 [2020-12-22 06:54:44,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:44,100 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 260 transitions. [2020-12-22 06:54:44,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:44,101 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 260 transitions. [2020-12-22 06:54:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:44,101 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:44,102 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:44,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-22 06:54:44,316 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:44,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:44,317 INFO L82 PathProgramCache]: Analyzing trace with hash -2106888905, now seen corresponding path program 1 times [2020-12-22 06:54:44,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:44,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477151810] [2020-12-22 06:54:44,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:44,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477151810] [2020-12-22 06:54:44,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229546479] [2020-12-22 06:54:44,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:54:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:44,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 06:54:44,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:54:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:44,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:54:44,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-22 06:54:44,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81059010] [2020-12-22 06:54:44,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:44,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:44,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:44,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:44,594 INFO L87 Difference]: Start difference. First operand 205 states and 260 transitions. Second operand 3 states. [2020-12-22 06:54:44,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:44,666 INFO L93 Difference]: Finished difference Result 325 states and 420 transitions. [2020-12-22 06:54:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:44,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-22 06:54:44,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:44,667 INFO L225 Difference]: With dead ends: 325 [2020-12-22 06:54:44,667 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:44,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:44,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:44,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:44,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-22 06:54:44,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:44,669 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:44,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:44,669 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:44,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:44,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-22 06:54:44,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:45,062 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2020-12-22 06:54:45,315 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 99 [2020-12-22 06:54:45,671 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 94 [2020-12-22 06:54:45,926 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 104 [2020-12-22 06:54:46,039 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 91 [2020-12-22 06:54:46,384 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 6 [2020-12-22 06:54:46,848 WARN L197 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 27 [2020-12-22 06:54:47,130 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2020-12-22 06:54:47,542 WARN L197 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2020-12-22 06:54:47,907 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2020-12-22 06:54:48,151 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2020-12-22 06:54:48,646 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 25 [2020-12-22 06:54:49,049 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2020-12-22 06:54:49,341 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2020-12-22 06:54:49,443 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 292) no Hoare annotation was computed. [2020-12-22 06:54:49,443 INFO L189 CegarLoopUtils]: For program point L432(lines 432 449) no Hoare annotation was computed. [2020-12-22 06:54:49,444 INFO L189 CegarLoopUtils]: For program point L432-1(lines 432 449) no Hoare annotation was computed. [2020-12-22 06:54:49,444 INFO L189 CegarLoopUtils]: For program point L432-2(lines 432 449) no Hoare annotation was computed. [2020-12-22 06:54:49,444 INFO L185 CegarLoopUtils]: At program point L137(lines 128 141) the Hoare annotation is: false [2020-12-22 06:54:49,444 INFO L185 CegarLoopUtils]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2020-12-22 06:54:49,444 INFO L185 CegarLoopUtils]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-12-22 06:54:49,444 INFO L185 CegarLoopUtils]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-12-22 06:54:49,444 INFO L185 CegarLoopUtils]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-12-22 06:54:49,445 INFO L185 CegarLoopUtils]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-12-22 06:54:49,445 INFO L189 CegarLoopUtils]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,445 INFO L189 CegarLoopUtils]: For program point L534-2(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,445 INFO L189 CegarLoopUtils]: For program point L534-3(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,445 INFO L189 CegarLoopUtils]: For program point L534-5(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,445 INFO L189 CegarLoopUtils]: For program point L534-6(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,445 INFO L189 CegarLoopUtils]: For program point L270(lines 270 280) no Hoare annotation was computed. [2020-12-22 06:54:49,445 INFO L189 CegarLoopUtils]: For program point L534-8(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,445 INFO L189 CegarLoopUtils]: For program point L534-9(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,446 INFO L185 CegarLoopUtils]: At program point L204(lines 200 206) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:49,446 INFO L189 CegarLoopUtils]: For program point L270-2(lines 270 280) no Hoare annotation was computed. [2020-12-22 06:54:49,446 INFO L189 CegarLoopUtils]: For program point L534-11(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,446 INFO L189 CegarLoopUtils]: For program point L534-12(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,446 INFO L189 CegarLoopUtils]: For program point L270-4(lines 270 280) no Hoare annotation was computed. [2020-12-22 06:54:49,446 INFO L189 CegarLoopUtils]: For program point L534-14(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,446 INFO L189 CegarLoopUtils]: For program point L534-15(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,446 INFO L189 CegarLoopUtils]: For program point L534-17(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:54:49,446 INFO L189 CegarLoopUtils]: For program point L436(lines 436 444) no Hoare annotation was computed. [2020-12-22 06:54:49,447 INFO L189 CegarLoopUtils]: For program point L436-1(lines 436 444) no Hoare annotation was computed. [2020-12-22 06:54:49,447 INFO L189 CegarLoopUtils]: For program point L436-2(lines 436 444) no Hoare annotation was computed. [2020-12-22 06:54:49,447 INFO L189 CegarLoopUtils]: For program point L271(lines 271 277) no Hoare annotation was computed. [2020-12-22 06:54:49,447 INFO L189 CegarLoopUtils]: For program point L271-2(lines 271 277) no Hoare annotation was computed. [2020-12-22 06:54:49,447 INFO L189 CegarLoopUtils]: For program point L271-4(lines 271 277) no Hoare annotation was computed. [2020-12-22 06:54:49,447 INFO L189 CegarLoopUtils]: For program point L338(lines 338 351) no Hoare annotation was computed. [2020-12-22 06:54:49,447 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 292) no Hoare annotation was computed. [2020-12-22 06:54:49,447 INFO L189 CegarLoopUtils]: For program point L406(lines 406 423) no Hoare annotation was computed. [2020-12-22 06:54:49,448 INFO L189 CegarLoopUtils]: For program point L406-1(lines 406 423) no Hoare annotation was computed. [2020-12-22 06:54:49,448 INFO L189 CegarLoopUtils]: For program point L406-2(lines 406 423) no Hoare annotation was computed. [2020-12-22 06:54:49,448 INFO L189 CegarLoopUtils]: For program point L406-3(lines 406 423) no Hoare annotation was computed. [2020-12-22 06:54:49,448 INFO L189 CegarLoopUtils]: For program point L406-4(lines 406 423) no Hoare annotation was computed. [2020-12-22 06:54:49,448 INFO L189 CegarLoopUtils]: For program point L406-5(lines 406 423) no Hoare annotation was computed. [2020-12-22 06:54:49,448 INFO L185 CegarLoopUtils]: At program point L374(lines 373 392) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 .cse0 .cse3 .cse5 .cse6) (and .cse4 .cse0 .cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse2 .cse3 .cse5 .cse6))) [2020-12-22 06:54:49,448 INFO L189 CegarLoopUtils]: For program point L374-1(lines 374 380) no Hoare annotation was computed. [2020-12-22 06:54:49,449 INFO L185 CegarLoopUtils]: At program point L374-2(lines 373 392) the Hoare annotation is: false [2020-12-22 06:54:49,449 INFO L185 CegarLoopUtils]: At program point L374-3(lines 373 392) the Hoare annotation is: false [2020-12-22 06:54:49,449 INFO L192 CegarLoopUtils]: At program point L242(lines 223 245) the Hoare annotation is: true [2020-12-22 06:54:49,449 INFO L185 CegarLoopUtils]: At program point L540(lines 525 543) the Hoare annotation is: false [2020-12-22 06:54:49,449 INFO L185 CegarLoopUtils]: At program point L540-1(lines 525 543) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2020-12-22 06:54:49,449 INFO L185 CegarLoopUtils]: At program point L540-2(lines 525 543) the Hoare annotation is: false [2020-12-22 06:54:49,449 INFO L185 CegarLoopUtils]: At program point L540-3(lines 525 543) the Hoare annotation is: false [2020-12-22 06:54:49,449 INFO L185 CegarLoopUtils]: At program point L540-4(lines 525 543) the Hoare annotation is: false [2020-12-22 06:54:49,450 INFO L185 CegarLoopUtils]: At program point L540-5(lines 525 543) the Hoare annotation is: false [2020-12-22 06:54:49,450 INFO L189 CegarLoopUtils]: For program point L309(lines 308 355) no Hoare annotation was computed. [2020-12-22 06:54:49,450 INFO L189 CegarLoopUtils]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:54:49,450 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-12-22 06:54:49,450 INFO L185 CegarLoopUtils]: At program point L476(lines 469 479) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)))) [2020-12-22 06:54:49,450 INFO L185 CegarLoopUtils]: At program point L476-1(lines 469 479) the Hoare annotation is: false [2020-12-22 06:54:49,450 INFO L189 CegarLoopUtils]: For program point L410(lines 410 418) no Hoare annotation was computed. [2020-12-22 06:54:49,450 INFO L185 CegarLoopUtils]: At program point L476-2(lines 469 479) the Hoare annotation is: false [2020-12-22 06:54:49,451 INFO L189 CegarLoopUtils]: For program point L410-1(lines 410 418) no Hoare annotation was computed. [2020-12-22 06:54:49,451 INFO L189 CegarLoopUtils]: For program point L344(lines 344 350) no Hoare annotation was computed. [2020-12-22 06:54:49,451 INFO L189 CegarLoopUtils]: For program point L410-2(lines 410 418) no Hoare annotation was computed. [2020-12-22 06:54:49,451 INFO L185 CegarLoopUtils]: At program point L344-1(lines 374 380) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and .cse2 .cse3 .cse1 .cse4 .cse5) (and .cse2 .cse3 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4) (and .cse2 .cse3 .cse6 .cse1) (and .cse3 .cse6 .cse0 .cse1 .cse5) (and .cse3 .cse0 .cse1 .cse4 .cse5))) [2020-12-22 06:54:49,451 INFO L189 CegarLoopUtils]: For program point L410-3(lines 410 418) no Hoare annotation was computed. [2020-12-22 06:54:49,451 INFO L189 CegarLoopUtils]: For program point L410-4(lines 410 418) no Hoare annotation was computed. [2020-12-22 06:54:49,451 INFO L189 CegarLoopUtils]: For program point L410-5(lines 410 418) no Hoare annotation was computed. [2020-12-22 06:54:49,452 INFO L185 CegarLoopUtils]: At program point L381(lines 381 387) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 .cse0 .cse3 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse2 .cse3 .cse5) (and .cse4 .cse0 .cse1 .cse3))) [2020-12-22 06:54:49,452 INFO L185 CegarLoopUtils]: At program point L381-1(lines 381 387) the Hoare annotation is: false [2020-12-22 06:54:49,452 INFO L185 CegarLoopUtils]: At program point L381-2(lines 381 387) the Hoare annotation is: false [2020-12-22 06:54:49,452 INFO L189 CegarLoopUtils]: For program point L548(lines 548 554) no Hoare annotation was computed. [2020-12-22 06:54:49,452 INFO L185 CegarLoopUtils]: At program point L548-1(lines 548 554) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:49,452 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:49,452 INFO L185 CegarLoopUtils]: At program point L582(lines 1 959) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:49,452 INFO L189 CegarLoopUtils]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-12-22 06:54:49,452 INFO L185 CegarLoopUtils]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and .cse3 .cse5 .cse1 .cse6 .cse7) (and .cse5 .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse2))) [2020-12-22 06:54:49,453 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:54:49,453 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:54:49,453 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:54:49,453 INFO L185 CegarLoopUtils]: At program point L485(lines 480 488) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (<= 1 ~methaneLevelCritical~0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) .cse3 .cse2 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)))) [2020-12-22 06:54:49,453 INFO L185 CegarLoopUtils]: At program point L485-1(lines 480 488) the Hoare annotation is: false [2020-12-22 06:54:49,453 INFO L185 CegarLoopUtils]: At program point L485-2(lines 480 488) the Hoare annotation is: false [2020-12-22 06:54:49,453 INFO L185 CegarLoopUtils]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2020-12-22 06:54:49,453 INFO L185 CegarLoopUtils]: At program point L255(lines 250 257) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:49,453 INFO L189 CegarLoopUtils]: For program point L156(line 156) no Hoare annotation was computed. [2020-12-22 06:54:49,453 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:49,453 INFO L185 CegarLoopUtils]: At program point L356(lines 307 357) the Hoare annotation is: false [2020-12-22 06:54:49,454 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)))) [2020-12-22 06:54:49,454 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 0 ~systemActive~0) .cse1 .cse2) (and .cse5 .cse0 .cse6 .cse1 .cse2) (and .cse7 .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse7 .cse5 .cse0 .cse6 .cse2))) [2020-12-22 06:54:49,454 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-12-22 06:54:49,454 INFO L185 CegarLoopUtils]: At program point L92-3(lines 87 95) the Hoare annotation is: false [2020-12-22 06:54:49,454 INFO L185 CegarLoopUtils]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-12-22 06:54:49,454 INFO L185 CegarLoopUtils]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-12-22 06:54:49,454 INFO L189 CegarLoopUtils]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-12-22 06:54:49,454 INFO L189 CegarLoopUtils]: For program point L159-1(lines 374 380) no Hoare annotation was computed. [2020-12-22 06:54:49,454 INFO L189 CegarLoopUtils]: For program point L292(line 292) no Hoare annotation was computed. [2020-12-22 06:54:49,454 INFO L189 CegarLoopUtils]: For program point L292-1(line 292) no Hoare annotation was computed. [2020-12-22 06:54:49,454 INFO L189 CegarLoopUtils]: For program point L292-2(line 292) no Hoare annotation was computed. [2020-12-22 06:54:49,455 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:49,455 INFO L185 CegarLoopUtils]: At program point L590(lines 585 593) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:49,455 INFO L189 CegarLoopUtils]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-12-22 06:54:49,455 INFO L185 CegarLoopUtils]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5 .cse2) (and .cse3 .cse4 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5) (and .cse3 .cse4 .cse6 .cse1) (and .cse4 .cse6 .cse0 .cse1 .cse2) (and .cse4 .cse0 .cse1 .cse5 .cse2))) [2020-12-22 06:54:49,455 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:49,455 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 292) no Hoare annotation was computed. [2020-12-22 06:54:49,455 INFO L189 CegarLoopUtils]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:54:49,455 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:54:49,455 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:54:49,456 INFO L189 CegarLoopUtils]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:54:49,456 INFO L189 CegarLoopUtils]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:54:49,456 INFO L189 CegarLoopUtils]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:54:49,456 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:54:49,456 INFO L189 CegarLoopUtils]: For program point L266(lines 266 283) no Hoare annotation was computed. [2020-12-22 06:54:49,456 INFO L189 CegarLoopUtils]: For program point L233(lines 233 240) no Hoare annotation was computed. [2020-12-22 06:54:49,456 INFO L185 CegarLoopUtils]: At program point L266-1(lines 1 959) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and .cse3 .cse5 .cse1 .cse6 .cse7) (and .cse5 .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse2))) [2020-12-22 06:54:49,456 INFO L189 CegarLoopUtils]: For program point L266-2(lines 266 283) no Hoare annotation was computed. [2020-12-22 06:54:49,457 INFO L192 CegarLoopUtils]: At program point L233-1(lines 233 240) the Hoare annotation is: true [2020-12-22 06:54:49,457 INFO L185 CegarLoopUtils]: At program point L266-3(lines 1 959) the Hoare annotation is: false [2020-12-22 06:54:49,457 INFO L189 CegarLoopUtils]: For program point L266-4(lines 266 283) no Hoare annotation was computed. [2020-12-22 06:54:49,457 INFO L185 CegarLoopUtils]: At program point L266-5(lines 1 959) the Hoare annotation is: false [2020-12-22 06:54:49,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:49 BoogieIcfgContainer [2020-12-22 06:54:49,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:49,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:49,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:49,497 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:49,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:40" (3/4) ... [2020-12-22 06:54:49,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:49,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:49,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:49,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:49,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:49,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:49,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:49,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:49,557 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-12-22 06:54:49,558 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-12-22 06:54:49,558 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-12-22 06:54:49,559 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-12-22 06:54:49,559 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-12-22 06:54:49,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:54:49,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-12-22 06:54:49,562 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-12-22 06:54:49,562 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-12-22 06:54:49,563 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-12-22 06:54:49,565 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-12-22 06:54:49,661 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product39.cil.c-witness.graphml [2020-12-22 06:54:49,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:49,663 INFO L168 Benchmark]: Toolchain (without parser) took 11396.66 ms. Allocated memory was 176.2 MB in the beginning and 329.3 MB in the end (delta: 153.1 MB). Free memory was 150.2 MB in the beginning and 186.6 MB in the end (delta: -36.4 MB). Peak memory consumption was 117.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:49,663 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 176.2 MB. Free memory is still 147.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:49,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.81 ms. Allocated memory is still 176.2 MB. Free memory was 150.0 MB in the beginning and 128.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:49,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.03 ms. Allocated memory is still 176.2 MB. Free memory was 128.2 MB in the beginning and 124.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:49,664 INFO L168 Benchmark]: Boogie Preprocessor took 95.74 ms. Allocated memory is still 176.2 MB. Free memory was 124.5 MB in the beginning and 157.4 MB in the end (delta: -32.8 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:49,664 INFO L168 Benchmark]: RCFGBuilder took 1209.98 ms. Allocated memory is still 176.2 MB. Free memory was 157.4 MB in the beginning and 95.0 MB in the end (delta: 62.4 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:49,665 INFO L168 Benchmark]: TraceAbstraction took 9066.34 ms. Allocated memory was 176.2 MB in the beginning and 329.3 MB in the end (delta: 153.1 MB). Free memory was 94.4 MB in the beginning and 196.6 MB in the end (delta: -102.2 MB). Peak memory consumption was 102.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:49,665 INFO L168 Benchmark]: Witness Printer took 164.74 ms. Allocated memory is still 329.3 MB. Free memory was 196.6 MB in the beginning and 186.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:49,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 176.2 MB. Free memory is still 147.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 693.81 ms. Allocated memory is still 176.2 MB. Free memory was 150.0 MB in the beginning and 128.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 153.03 ms. Allocated memory is still 176.2 MB. Free memory was 128.2 MB in the beginning and 124.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 95.74 ms. Allocated memory is still 176.2 MB. Free memory was 124.5 MB in the beginning and 157.4 MB in the end (delta: -32.8 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1209.98 ms. Allocated memory is still 176.2 MB. Free memory was 157.4 MB in the beginning and 95.0 MB in the end (delta: 62.4 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9066.34 ms. Allocated memory was 176.2 MB in the beginning and 329.3 MB in the end (delta: 153.1 MB). Free memory was 94.4 MB in the beginning and 196.6 MB in the end (delta: -102.2 MB). Peak memory consumption was 102.3 MB. Max. memory is 8.0 GB. * Witness Printer took 164.74 ms. Allocated memory is still 329.3 MB. Free memory was 196.6 MB in the beginning and 186.6 MB in the end (delta: 10.0 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: 292]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 292]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 292]: 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: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1241 SDtfs, 1403 SDslu, 1909 SDs, 0 SdLazy, 243 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=460occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1473 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 154 NumberOfFragments, 902 HoareAnnotationTreeSize, 45 FomulaSimplifications, 246008 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 22379 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 48360 SizeOfPredicates, 5 NumberOfNonLiveVariables, 880 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 79/98 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...