/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_spec3_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:55:52,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:55:52,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:53,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:55:53,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:55:53,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:55:53,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:55:53,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:55:53,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:55:53,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:55:53,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:55:53,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:55:53,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:55:53,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:55:53,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:55:53,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:55:53,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:55:53,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:55:53,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:55:53,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:55:53,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:55:53,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:55:53,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:55:53,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:55:53,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:55:53,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:55:53,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:55:53,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:55:53,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:55:53,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:55:53,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:55:53,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:55:53,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:55:53,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:53,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:53,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:53,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:53,224 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:53,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:53,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:53,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:53,230 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:53,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:53,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:53,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:53,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:53,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:53,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:53,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:53,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:53,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:53,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:53,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:53,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:53,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:53,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:53,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:53,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:53,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:53,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:53,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:53,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:53,237 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:53,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:53,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:53,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:53,726 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:53,727 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:53,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2020-12-22 06:55:53,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073da8cad/8459f6c227bf47d08cdaae7e6f6df04d/FLAGa0ec3d426 [2020-12-22 06:55:54,515 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:54,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2020-12-22 06:55:54,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073da8cad/8459f6c227bf47d08cdaae7e6f6df04d/FLAGa0ec3d426 [2020-12-22 06:55:54,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073da8cad/8459f6c227bf47d08cdaae7e6f6df04d [2020-12-22 06:55:54,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:54,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:54,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:54,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:54,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:54,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:54" (1/1) ... [2020-12-22 06:55:54,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767ca9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:54, skipping insertion in model container [2020-12-22 06:55:54,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:54" (1/1) ... [2020-12-22 06:55:54,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:54,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:55,306 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_spec3_product58.cil.c[12713,12726] [2020-12-22 06:55:55,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:55,434 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:55,517 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_spec3_product58.cil.c[12713,12726] [2020-12-22 06:55:55,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:55,656 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:55,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55 WrapperNode [2020-12-22 06:55:55,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:55,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:55,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:55,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:55,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (1/1) ... [2020-12-22 06:55:55,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (1/1) ... [2020-12-22 06:55:55,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:55,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:55,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:55,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:55,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (1/1) ... [2020-12-22 06:55:55,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (1/1) ... [2020-12-22 06:55:55,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (1/1) ... [2020-12-22 06:55:55,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (1/1) ... [2020-12-22 06:55:55,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (1/1) ... [2020-12-22 06:55:55,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (1/1) ... [2020-12-22 06:55:55,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (1/1) ... [2020-12-22 06:55:55,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:55,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:55,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:55,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:55,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (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 06:55:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:57,306 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:57,307 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2020-12-22 06:55:57,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:57 BoogieIcfgContainer [2020-12-22 06:55:57,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:57,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:57,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:57,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:57,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:54" (1/3) ... [2020-12-22 06:55:57,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37af5793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:57, skipping insertion in model container [2020-12-22 06:55:57,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:55" (2/3) ... [2020-12-22 06:55:57,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37af5793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:57, skipping insertion in model container [2020-12-22 06:55:57,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:57" (3/3) ... [2020-12-22 06:55:57,326 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2020-12-22 06:55:57,333 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:57,339 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:57,359 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:57,387 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:57,387 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:57,387 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:57,387 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:57,388 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:57,388 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:57,388 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:57,388 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:57,410 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-12-22 06:55:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:57,417 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:57,418 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 06:55:57,419 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:57,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:57,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1179839814, now seen corresponding path program 1 times [2020-12-22 06:55:57,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:57,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868494391] [2020-12-22 06:55:57,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:57,799 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 06:55:57,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868494391] [2020-12-22 06:55:57,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:57,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:57,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375008927] [2020-12-22 06:55:57,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:57,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:57,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:57,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:57,828 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2020-12-22 06:55:57,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:57,896 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2020-12-22 06:55:57,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:57,898 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:57,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:57,912 INFO L225 Difference]: With dead ends: 276 [2020-12-22 06:55:57,912 INFO L226 Difference]: Without dead ends: 137 [2020-12-22 06:55:57,917 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 06:55:57,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-22 06:55:57,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-12-22 06:55:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-12-22 06:55:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2020-12-22 06:55:57,972 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2020-12-22 06:55:57,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:57,972 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2020-12-22 06:55:57,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2020-12-22 06:55:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:57,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:57,975 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 06:55:57,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:57,975 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:57,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash -2090870567, now seen corresponding path program 1 times [2020-12-22 06:55:57,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:57,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252414449] [2020-12-22 06:55:57,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:58,112 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 06:55:58,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252414449] [2020-12-22 06:55:58,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:58,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:58,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874425273] [2020-12-22 06:55:58,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:58,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:58,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:58,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:58,117 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2020-12-22 06:55:58,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:58,153 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2020-12-22 06:55:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:58,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:58,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:58,155 INFO L225 Difference]: With dead ends: 137 [2020-12-22 06:55:58,155 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:55:58,158 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 06:55:58,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:55:58,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:55:58,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:55:58,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-12-22 06:55:58,174 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-12-22 06:55:58,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:58,175 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-12-22 06:55:58,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-12-22 06:55:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:58,177 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:58,177 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 06:55:58,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:58,178 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:58,179 INFO L82 PathProgramCache]: Analyzing trace with hash -917137565, now seen corresponding path program 1 times [2020-12-22 06:55:58,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:58,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747915644] [2020-12-22 06:55:58,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:58,281 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 06:55:58,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747915644] [2020-12-22 06:55:58,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:58,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:58,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128535136] [2020-12-22 06:55:58,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:58,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:58,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:58,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:58,284 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2020-12-22 06:55:58,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:58,315 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2020-12-22 06:55:58,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:58,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:55:58,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:58,324 INFO L225 Difference]: With dead ends: 104 [2020-12-22 06:55:58,324 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:55:58,325 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 06:55:58,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:55:58,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:55:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:55:58,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-12-22 06:55:58,335 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-12-22 06:55:58,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:58,337 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-12-22 06:55:58,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:58,337 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-12-22 06:55:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:58,338 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:58,338 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 06:55:58,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:58,339 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:58,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:58,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1642774406, now seen corresponding path program 1 times [2020-12-22 06:55:58,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:58,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513667681] [2020-12-22 06:55:58,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:58,449 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 06:55:58,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513667681] [2020-12-22 06:55:58,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:58,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:58,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015642491] [2020-12-22 06:55:58,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:58,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:58,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:58,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:58,452 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-12-22 06:55:58,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:58,488 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-12-22 06:55:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:58,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:55:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:58,490 INFO L225 Difference]: With dead ends: 127 [2020-12-22 06:55:58,490 INFO L226 Difference]: Without dead ends: 78 [2020-12-22 06:55:58,491 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 06:55:58,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-12-22 06:55:58,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2020-12-22 06:55:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-22 06:55:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2020-12-22 06:55:58,505 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2020-12-22 06:55:58,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:58,505 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2020-12-22 06:55:58,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:58,505 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-12-22 06:55:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:58,507 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:58,509 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] [2020-12-22 06:55:58,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:58,509 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:58,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:58,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1904097010, now seen corresponding path program 1 times [2020-12-22 06:55:58,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:58,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553779745] [2020-12-22 06:55:58,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:58,683 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 06:55:58,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553779745] [2020-12-22 06:55:58,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:58,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:58,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742672170] [2020-12-22 06:55:58,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:58,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:58,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:58,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:58,689 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2020-12-22 06:55:58,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:58,831 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2020-12-22 06:55:58,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:58,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:55:58,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:58,834 INFO L225 Difference]: With dead ends: 381 [2020-12-22 06:55:58,835 INFO L226 Difference]: Without dead ends: 311 [2020-12-22 06:55:58,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:58,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-12-22 06:55:58,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2020-12-22 06:55:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-22 06:55:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2020-12-22 06:55:58,862 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2020-12-22 06:55:58,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:58,862 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2020-12-22 06:55:58,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2020-12-22 06:55:58,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:58,865 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:58,865 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 06:55:58,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:58,866 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:58,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:58,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1319823756, now seen corresponding path program 1 times [2020-12-22 06:55:58,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:58,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716093180] [2020-12-22 06:55:58,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:58,988 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 06:55:58,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716093180] [2020-12-22 06:55:58,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:58,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:58,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013442773] [2020-12-22 06:55:58,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:58,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:58,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:58,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:58,991 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 4 states. [2020-12-22 06:55:59,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:59,173 INFO L93 Difference]: Finished difference Result 254 states and 358 transitions. [2020-12-22 06:55:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:59,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:55:59,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:59,175 INFO L225 Difference]: With dead ends: 254 [2020-12-22 06:55:59,176 INFO L226 Difference]: Without dead ends: 184 [2020-12-22 06:55:59,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:59,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-12-22 06:55:59,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2020-12-22 06:55:59,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-12-22 06:55:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 251 transitions. [2020-12-22 06:55:59,214 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 251 transitions. Word has length 33 [2020-12-22 06:55:59,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:59,214 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 251 transitions. [2020-12-22 06:55:59,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2020-12-22 06:55:59,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:59,224 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:59,224 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 06:55:59,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:55:59,225 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:59,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:59,227 INFO L82 PathProgramCache]: Analyzing trace with hash 308706506, now seen corresponding path program 1 times [2020-12-22 06:55:59,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:59,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963616448] [2020-12-22 06:55:59,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:59,330 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 06:55:59,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963616448] [2020-12-22 06:55:59,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:59,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:59,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444833889] [2020-12-22 06:55:59,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:59,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:59,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:59,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:59,334 INFO L87 Difference]: Start difference. First operand 181 states and 251 transitions. Second operand 4 states. [2020-12-22 06:55:59,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:59,410 INFO L93 Difference]: Finished difference Result 505 states and 712 transitions. [2020-12-22 06:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:59,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:55:59,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:59,414 INFO L225 Difference]: With dead ends: 505 [2020-12-22 06:55:59,414 INFO L226 Difference]: Without dead ends: 376 [2020-12-22 06:55:59,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:59,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-12-22 06:55:59,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 181. [2020-12-22 06:55:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-12-22 06:55:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2020-12-22 06:55:59,435 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 33 [2020-12-22 06:55:59,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:59,435 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2020-12-22 06:55:59,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2020-12-22 06:55:59,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:59,438 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:59,438 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 06:55:59,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:55:59,439 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:59,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:59,439 INFO L82 PathProgramCache]: Analyzing trace with hash 566871944, now seen corresponding path program 1 times [2020-12-22 06:55:59,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:59,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342697565] [2020-12-22 06:55:59,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:59,500 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 06:55:59,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342697565] [2020-12-22 06:55:59,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:59,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:59,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36989407] [2020-12-22 06:55:59,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:59,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:59,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:59,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:59,502 INFO L87 Difference]: Start difference. First operand 181 states and 249 transitions. Second operand 5 states. [2020-12-22 06:55:59,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:59,602 INFO L93 Difference]: Finished difference Result 548 states and 766 transitions. [2020-12-22 06:55:59,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:59,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:55:59,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:59,605 INFO L225 Difference]: With dead ends: 548 [2020-12-22 06:55:59,605 INFO L226 Difference]: Without dead ends: 373 [2020-12-22 06:55:59,607 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 06:55:59,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-12-22 06:55:59,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 190. [2020-12-22 06:55:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-22 06:55:59,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 256 transitions. [2020-12-22 06:55:59,637 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 256 transitions. Word has length 33 [2020-12-22 06:55:59,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:59,637 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 256 transitions. [2020-12-22 06:55:59,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:59,637 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 256 transitions. [2020-12-22 06:55:59,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:59,638 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:59,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:59,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:55:59,639 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:59,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:59,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1083058712, now seen corresponding path program 1 times [2020-12-22 06:55:59,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:59,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101087342] [2020-12-22 06:55:59,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:59,771 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 06:55:59,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101087342] [2020-12-22 06:55:59,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:59,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:59,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549029393] [2020-12-22 06:55:59,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:59,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:59,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:59,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:59,783 INFO L87 Difference]: Start difference. First operand 190 states and 256 transitions. Second operand 6 states. [2020-12-22 06:56:00,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:00,148 INFO L93 Difference]: Finished difference Result 1391 states and 1856 transitions. [2020-12-22 06:56:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 06:56:00,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-12-22 06:56:00,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:00,156 INFO L225 Difference]: With dead ends: 1391 [2020-12-22 06:56:00,156 INFO L226 Difference]: Without dead ends: 1207 [2020-12-22 06:56:00,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:56:00,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-12-22 06:56:00,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 360. [2020-12-22 06:56:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-22 06:56:00,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 478 transitions. [2020-12-22 06:56:00,210 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 478 transitions. Word has length 36 [2020-12-22 06:56:00,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:00,210 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 478 transitions. [2020-12-22 06:56:00,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:00,211 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 478 transitions. [2020-12-22 06:56:00,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:56:00,212 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:00,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:00,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:56:00,212 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:00,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:00,213 INFO L82 PathProgramCache]: Analyzing trace with hash -403000342, now seen corresponding path program 1 times [2020-12-22 06:56:00,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:00,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897363481] [2020-12-22 06:56:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:00,279 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 06:56:00,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897363481] [2020-12-22 06:56:00,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:00,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:56:00,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254709062] [2020-12-22 06:56:00,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:00,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:00,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:00,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:00,281 INFO L87 Difference]: Start difference. First operand 360 states and 478 transitions. Second operand 6 states. [2020-12-22 06:56:00,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:00,576 INFO L93 Difference]: Finished difference Result 1050 states and 1414 transitions. [2020-12-22 06:56:00,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:56:00,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-12-22 06:56:00,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:00,581 INFO L225 Difference]: With dead ends: 1050 [2020-12-22 06:56:00,582 INFO L226 Difference]: Without dead ends: 696 [2020-12-22 06:56:00,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:56:00,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-12-22 06:56:00,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 306. [2020-12-22 06:56:00,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-12-22 06:56:00,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 395 transitions. [2020-12-22 06:56:00,626 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 395 transitions. Word has length 36 [2020-12-22 06:56:00,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:00,626 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 395 transitions. [2020-12-22 06:56:00,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 395 transitions. [2020-12-22 06:56:00,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:56:00,627 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:00,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:00,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:56:00,628 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:00,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:00,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1138138450, now seen corresponding path program 1 times [2020-12-22 06:56:00,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:00,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818008152] [2020-12-22 06:56:00,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:00,743 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 06:56:00,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818008152] [2020-12-22 06:56:00,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:00,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:56:00,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895655406] [2020-12-22 06:56:00,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:56:00,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:00,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:56:00,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:00,747 INFO L87 Difference]: Start difference. First operand 306 states and 395 transitions. Second operand 7 states. [2020-12-22 06:56:01,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:01,306 INFO L93 Difference]: Finished difference Result 1168 states and 1491 transitions. [2020-12-22 06:56:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:56:01,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-12-22 06:56:01,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:01,311 INFO L225 Difference]: With dead ends: 1168 [2020-12-22 06:56:01,312 INFO L226 Difference]: Without dead ends: 868 [2020-12-22 06:56:01,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:56:01,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-12-22 06:56:01,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 286. [2020-12-22 06:56:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-12-22 06:56:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 358 transitions. [2020-12-22 06:56:01,356 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 358 transitions. Word has length 37 [2020-12-22 06:56:01,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:01,357 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 358 transitions. [2020-12-22 06:56:01,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:56:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 358 transitions. [2020-12-22 06:56:01,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 06:56:01,358 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:01,358 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:01,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:56:01,358 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:01,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:01,359 INFO L82 PathProgramCache]: Analyzing trace with hash 113257525, now seen corresponding path program 1 times [2020-12-22 06:56:01,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:01,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765226412] [2020-12-22 06:56:01,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:01,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765226412] [2020-12-22 06:56:01,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:01,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:01,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416794236] [2020-12-22 06:56:01,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:01,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:01,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:01,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:01,434 INFO L87 Difference]: Start difference. First operand 286 states and 358 transitions. Second operand 5 states. [2020-12-22 06:56:01,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:01,552 INFO L93 Difference]: Finished difference Result 661 states and 831 transitions. [2020-12-22 06:56:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:01,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-12-22 06:56:01,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:01,556 INFO L225 Difference]: With dead ends: 661 [2020-12-22 06:56:01,556 INFO L226 Difference]: Without dead ends: 381 [2020-12-22 06:56:01,557 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 06:56:01,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-12-22 06:56:01,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 286. [2020-12-22 06:56:01,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-12-22 06:56:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 354 transitions. [2020-12-22 06:56:01,598 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 354 transitions. Word has length 55 [2020-12-22 06:56:01,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:01,600 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 354 transitions. [2020-12-22 06:56:01,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:01,600 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 354 transitions. [2020-12-22 06:56:01,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 06:56:01,601 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:01,601 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:01,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:56:01,602 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:01,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:01,602 INFO L82 PathProgramCache]: Analyzing trace with hash -730747977, now seen corresponding path program 1 times [2020-12-22 06:56:01,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:01,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685931936] [2020-12-22 06:56:01,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:01,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685931936] [2020-12-22 06:56:01,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:01,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:01,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861103604] [2020-12-22 06:56:01,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:01,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:01,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:01,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:01,707 INFO L87 Difference]: Start difference. First operand 286 states and 354 transitions. Second operand 5 states. [2020-12-22 06:56:01,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:01,797 INFO L93 Difference]: Finished difference Result 608 states and 763 transitions. [2020-12-22 06:56:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:01,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-12-22 06:56:01,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:01,800 INFO L225 Difference]: With dead ends: 608 [2020-12-22 06:56:01,800 INFO L226 Difference]: Without dead ends: 328 [2020-12-22 06:56:01,806 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 06:56:01,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-12-22 06:56:01,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 244. [2020-12-22 06:56:01,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-12-22 06:56:01,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 303 transitions. [2020-12-22 06:56:01,838 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 303 transitions. Word has length 55 [2020-12-22 06:56:01,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:01,838 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 303 transitions. [2020-12-22 06:56:01,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:01,838 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 303 transitions. [2020-12-22 06:56:01,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:56:01,839 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:01,839 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, 1, 1] [2020-12-22 06:56:01,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:56:01,840 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:01,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:01,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1478001787, now seen corresponding path program 1 times [2020-12-22 06:56:01,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:01,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370116284] [2020-12-22 06:56:01,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:01,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370116284] [2020-12-22 06:56:01,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:01,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:01,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933183024] [2020-12-22 06:56:01,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:01,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:01,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:01,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:01,930 INFO L87 Difference]: Start difference. First operand 244 states and 303 transitions. Second operand 5 states. [2020-12-22 06:56:02,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:02,060 INFO L93 Difference]: Finished difference Result 622 states and 772 transitions. [2020-12-22 06:56:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:56:02,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-12-22 06:56:02,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:02,063 INFO L225 Difference]: With dead ends: 622 [2020-12-22 06:56:02,063 INFO L226 Difference]: Without dead ends: 384 [2020-12-22 06:56:02,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:02,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-12-22 06:56:02,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 244. [2020-12-22 06:56:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-12-22 06:56:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 299 transitions. [2020-12-22 06:56:02,123 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 299 transitions. Word has length 56 [2020-12-22 06:56:02,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:02,123 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 299 transitions. [2020-12-22 06:56:02,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 299 transitions. [2020-12-22 06:56:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:56:02,124 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:02,125 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:02,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 06:56:02,127 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:02,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:02,128 INFO L82 PathProgramCache]: Analyzing trace with hash 458072168, now seen corresponding path program 1 times [2020-12-22 06:56:02,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:02,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550135232] [2020-12-22 06:56:02,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:02,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550135232] [2020-12-22 06:56:02,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:02,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:02,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522954732] [2020-12-22 06:56:02,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:02,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:02,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:02,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:02,211 INFO L87 Difference]: Start difference. First operand 244 states and 299 transitions. Second operand 5 states. [2020-12-22 06:56:02,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:02,310 INFO L93 Difference]: Finished difference Result 514 states and 643 transitions. [2020-12-22 06:56:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:02,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-22 06:56:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:02,313 INFO L225 Difference]: With dead ends: 514 [2020-12-22 06:56:02,313 INFO L226 Difference]: Without dead ends: 326 [2020-12-22 06:56:02,316 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 06:56:02,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-12-22 06:56:02,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 250. [2020-12-22 06:56:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-12-22 06:56:02,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 305 transitions. [2020-12-22 06:56:02,356 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 305 transitions. Word has length 58 [2020-12-22 06:56:02,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:02,356 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 305 transitions. [2020-12-22 06:56:02,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 305 transitions. [2020-12-22 06:56:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:56:02,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:02,358 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:02,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 06:56:02,359 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:02,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:02,360 INFO L82 PathProgramCache]: Analyzing trace with hash 716237606, now seen corresponding path program 1 times [2020-12-22 06:56:02,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:02,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944935282] [2020-12-22 06:56:02,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:56:02,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944935282] [2020-12-22 06:56:02,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432905067] [2020-12-22 06:56:02,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:02,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-22 06:56:02,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:56:02,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:56:02,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-12-22 06:56:02,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149897003] [2020-12-22 06:56:02,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:56:02,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:02,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:56:02,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:02,794 INFO L87 Difference]: Start difference. First operand 250 states and 305 transitions. Second operand 7 states. [2020-12-22 06:56:03,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:03,136 INFO L93 Difference]: Finished difference Result 863 states and 1076 transitions. [2020-12-22 06:56:03,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:56:03,137 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-12-22 06:56:03,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:03,137 INFO L225 Difference]: With dead ends: 863 [2020-12-22 06:56:03,137 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:03,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:56:03,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:03,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:03,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-22 06:56:03,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:03,140 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:03,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:56:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:03,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:03,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-22 06:56:03,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:04,538 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 374 DAG size of output: 260 [2020-12-22 06:56:04,945 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 123 [2020-12-22 06:56:05,093 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2020-12-22 06:56:06,039 WARN L197 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 251 [2020-12-22 06:56:06,228 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 143 [2020-12-22 06:56:06,656 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 225 [2020-12-22 06:56:07,180 WARN L197 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 216 [2020-12-22 06:56:07,351 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 141 [2020-12-22 06:56:07,671 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 174 [2020-12-22 06:56:07,820 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 92 [2020-12-22 06:56:10,256 WARN L197 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 246 DAG size of output: 40 [2020-12-22 06:56:10,853 WARN L197 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2020-12-22 06:56:11,009 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2020-12-22 06:56:13,245 WARN L197 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 238 DAG size of output: 41 [2020-12-22 06:56:14,351 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 137 DAG size of output: 62 [2020-12-22 06:56:14,626 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-12-22 06:56:16,437 WARN L197 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 223 DAG size of output: 65 [2020-12-22 06:56:16,698 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-12-22 06:56:18,698 WARN L197 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 212 DAG size of output: 27 [2020-12-22 06:56:18,894 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-12-22 06:56:19,956 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 138 DAG size of output: 54 [2020-12-22 06:56:21,349 WARN L197 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 160 DAG size of output: 51 [2020-12-22 06:56:21,748 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2020-12-22 06:56:21,764 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2020-12-22 06:56:21,764 INFO L185 CegarLoopUtils]: At program point L168(lines 1 991) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:21,764 INFO L185 CegarLoopUtils]: At program point L961(lines 946 964) the Hoare annotation is: false [2020-12-22 06:56:21,765 INFO L185 CegarLoopUtils]: At program point L961-1(lines 946 964) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse10 (not .cse2)) (.cse11 (<= ~waterLevel~0 1)) (.cse12 (not .cse3)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse14 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12 .cse0 .cse13 .cse4 .cse14 .cse7 .cse8) (and .cse10 .cse11 .cse12 .cse13 .cse4 .cse15 .cse14 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse15 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2020-12-22 06:56:21,765 INFO L185 CegarLoopUtils]: At program point L961-2(lines 946 964) the Hoare annotation is: false [2020-12-22 06:56:21,765 INFO L185 CegarLoopUtils]: At program point L961-3(lines 946 964) the Hoare annotation is: false [2020-12-22 06:56:21,765 INFO L185 CegarLoopUtils]: At program point L961-4(lines 946 964) the Hoare annotation is: false [2020-12-22 06:56:21,766 INFO L185 CegarLoopUtils]: At program point L961-5(lines 946 964) the Hoare annotation is: false [2020-12-22 06:56:21,766 INFO L189 CegarLoopUtils]: For program point L731(lines 731 737) no Hoare annotation was computed. [2020-12-22 06:56:21,766 INFO L185 CegarLoopUtils]: At program point L731-1(lines 731 737) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (or (and (= ~waterLevel~0 1) .cse5 .cse7) (and (not .cse8) .cse5 (<= 2 ~waterLevel~0) .cse7))) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse7 .cse3) (and .cse9 .cse0 .cse8 .cse7 .cse3) (and .cse4 .cse9 .cse5 .cse0 .cse6 .cse7) (and .cse9 .cse0 .cse2 .cse3)))) [2020-12-22 06:56:21,766 INFO L185 CegarLoopUtils]: At program point L897(lines 890 900) the Hoare annotation is: false [2020-12-22 06:56:21,767 INFO L185 CegarLoopUtils]: At program point L897-1(lines 890 900) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 (= ~methaneLevelCritical~0 0) .cse10) (and (= ~methaneLevelCritical~0 1) .cse0 .cse9 .cse1 .cse2 .cse3 .cse4 (not .cse6) .cse5 .cse7 .cse8 .cse10))) [2020-12-22 06:56:21,767 INFO L185 CegarLoopUtils]: At program point L897-2(lines 890 900) the Hoare annotation is: false [2020-12-22 06:56:21,767 INFO L185 CegarLoopUtils]: At program point L897-3(lines 890 900) the Hoare annotation is: false [2020-12-22 06:56:21,767 INFO L185 CegarLoopUtils]: At program point L897-4(lines 890 900) the Hoare annotation is: false [2020-12-22 06:56:21,767 INFO L185 CegarLoopUtils]: At program point L897-5(lines 890 900) the Hoare annotation is: false [2020-12-22 06:56:21,767 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:21,767 INFO L189 CegarLoopUtils]: For program point L568(lines 568 572) no Hoare annotation was computed. [2020-12-22 06:56:21,767 INFO L189 CegarLoopUtils]: For program point L568-3(lines 568 572) no Hoare annotation was computed. [2020-12-22 06:56:21,767 INFO L189 CegarLoopUtils]: For program point L568-6(lines 568 572) no Hoare annotation was computed. [2020-12-22 06:56:21,768 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-22 06:56:21,768 INFO L189 CegarLoopUtils]: For program point L835(lines 835 852) no Hoare annotation was computed. [2020-12-22 06:56:21,768 INFO L189 CegarLoopUtils]: For program point L835-1(lines 835 852) no Hoare annotation was computed. [2020-12-22 06:56:21,768 INFO L189 CegarLoopUtils]: For program point L835-2(lines 835 852) no Hoare annotation was computed. [2020-12-22 06:56:21,768 INFO L185 CegarLoopUtils]: At program point L637(lines 632 640) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse8 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~7 0) .cse6 .cse7) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0) .cse8 .cse2 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) .cse4 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not .cse5) .cse1 (<= ~waterLevel~0 2) .cse7))) [2020-12-22 06:56:21,768 INFO L185 CegarLoopUtils]: At program point L637-1(lines 632 640) the Hoare annotation is: false [2020-12-22 06:56:21,768 INFO L185 CegarLoopUtils]: At program point L637-2(lines 632 640) the Hoare annotation is: false [2020-12-22 06:56:21,769 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2020-12-22 06:56:21,769 INFO L185 CegarLoopUtils]: At program point L605(lines 600 608) the Hoare annotation is: false [2020-12-22 06:56:21,769 INFO L185 CegarLoopUtils]: At program point L605-1(lines 600 608) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not .cse7) .cse6 .cse8 .cse9 .cse10))) [2020-12-22 06:56:21,769 INFO L185 CegarLoopUtils]: At program point L605-2(lines 600 608) the Hoare annotation is: (let ((.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse13 (= ~methaneLevelCritical~0 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse4 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (not .cse7)) (.cse12 (<= ~waterLevel~0 2)) (.cse10 (= ~pumpRunning~0 0)) (.cse15 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse16 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 (not .cse10) .cse11 .cse12) (and .cse13 .cse0 .cse9 .cse1 .cse3 .cse2 .cse4 .cse5 .cse14 .cse6 .cse8 .cse12) (and .cse15 .cse13 .cse2 .cse3 .cse14 .cse16 .cse8) (and .cse15 .cse13 .cse3 .cse14 .cse10 .cse8) (and .cse0 .cse13 .cse9 .cse1 .cse3 .cse4 .cse5 .cse14 .cse10 .cse8 .cse12) (and .cse15 .cse11 .cse3 .cse7 .cse10 .cse8) (and .cse15 .cse2 .cse11 .cse3 .cse7 .cse16 .cse8)))) [2020-12-22 06:56:21,769 INFO L185 CegarLoopUtils]: At program point L605-3(lines 600 608) the Hoare annotation is: false [2020-12-22 06:56:21,770 INFO L185 CegarLoopUtils]: At program point L605-4(lines 600 608) the Hoare annotation is: false [2020-12-22 06:56:21,770 INFO L185 CegarLoopUtils]: At program point L605-5(lines 600 608) the Hoare annotation is: false [2020-12-22 06:56:21,770 INFO L185 CegarLoopUtils]: At program point L605-6(lines 600 608) the Hoare annotation is: false [2020-12-22 06:56:21,770 INFO L185 CegarLoopUtils]: At program point L605-7(lines 600 608) the Hoare annotation is: false [2020-12-22 06:56:21,770 INFO L185 CegarLoopUtils]: At program point L605-8(lines 600 608) the Hoare annotation is: false [2020-12-22 06:56:21,770 INFO L185 CegarLoopUtils]: At program point L176(lines 171 179) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:21,770 INFO L189 CegarLoopUtils]: For program point L872(lines 872 878) no Hoare annotation was computed. [2020-12-22 06:56:21,770 INFO L189 CegarLoopUtils]: For program point L839(lines 839 847) no Hoare annotation was computed. [2020-12-22 06:56:21,771 INFO L189 CegarLoopUtils]: For program point L872-2(lines 872 878) no Hoare annotation was computed. [2020-12-22 06:56:21,771 INFO L189 CegarLoopUtils]: For program point L839-1(lines 839 847) no Hoare annotation was computed. [2020-12-22 06:56:21,771 INFO L189 CegarLoopUtils]: For program point L839-2(lines 839 847) no Hoare annotation was computed. [2020-12-22 06:56:21,771 INFO L189 CegarLoopUtils]: For program point L872-4(lines 872 878) no Hoare annotation was computed. [2020-12-22 06:56:21,771 INFO L189 CegarLoopUtils]: For program point L872-6(lines 872 878) no Hoare annotation was computed. [2020-12-22 06:56:21,771 INFO L189 CegarLoopUtils]: For program point L872-8(lines 872 878) no Hoare annotation was computed. [2020-12-22 06:56:21,771 INFO L189 CegarLoopUtils]: For program point L872-10(lines 872 878) no Hoare annotation was computed. [2020-12-22 06:56:21,771 INFO L185 CegarLoopUtils]: At program point L906(lines 901 909) the Hoare annotation is: (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0) (= ULTIMATE.start_activatePump_~tmp~8 0) (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0)) [2020-12-22 06:56:21,772 INFO L185 CegarLoopUtils]: At program point L906-1(lines 901 909) the Hoare annotation is: false [2020-12-22 06:56:21,772 INFO L185 CegarLoopUtils]: At program point L906-2(lines 901 909) the Hoare annotation is: false [2020-12-22 06:56:21,772 INFO L189 CegarLoopUtils]: For program point L741(lines 741 754) no Hoare annotation was computed. [2020-12-22 06:56:21,772 INFO L189 CegarLoopUtils]: For program point L675(lines 675 695) no Hoare annotation was computed. [2020-12-22 06:56:21,772 INFO L189 CegarLoopUtils]: For program point L675-2(lines 675 695) no Hoare annotation was computed. [2020-12-22 06:56:21,772 INFO L189 CegarLoopUtils]: For program point L675-4(lines 675 695) no Hoare annotation was computed. [2020-12-22 06:56:21,772 INFO L189 CegarLoopUtils]: For program point L974(lines 974 978) no Hoare annotation was computed. [2020-12-22 06:56:21,772 INFO L189 CegarLoopUtils]: For program point L974-2(lines 974 978) no Hoare annotation was computed. [2020-12-22 06:56:21,772 INFO L189 CegarLoopUtils]: For program point L974-3(lines 974 978) no Hoare annotation was computed. [2020-12-22 06:56:21,773 INFO L189 CegarLoopUtils]: For program point L809(lines 809 826) no Hoare annotation was computed. [2020-12-22 06:56:21,773 INFO L189 CegarLoopUtils]: For program point L974-5(lines 974 978) no Hoare annotation was computed. [2020-12-22 06:56:21,773 INFO L189 CegarLoopUtils]: For program point L809-1(lines 809 826) no Hoare annotation was computed. [2020-12-22 06:56:21,773 INFO L189 CegarLoopUtils]: For program point L974-6(lines 974 978) no Hoare annotation was computed. [2020-12-22 06:56:21,773 INFO L189 CegarLoopUtils]: For program point L809-2(lines 809 826) no Hoare annotation was computed. [2020-12-22 06:56:21,773 INFO L189 CegarLoopUtils]: For program point L809-3(lines 809 826) no Hoare annotation was computed. [2020-12-22 06:56:21,773 INFO L189 CegarLoopUtils]: For program point L974-8(lines 974 978) no Hoare annotation was computed. [2020-12-22 06:56:21,773 INFO L189 CegarLoopUtils]: For program point L809-4(lines 809 826) no Hoare annotation was computed. [2020-12-22 06:56:21,773 INFO L189 CegarLoopUtils]: For program point L809-5(lines 809 826) no Hoare annotation was computed. [2020-12-22 06:56:21,774 INFO L185 CegarLoopUtils]: At program point L777(lines 776 795) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse3 .cse5 .cse6 .cse4 .cse7) (and .cse1 .cse3 .cse6 .cse4 .cse7) (and .cse0 .cse2 .cse3 .cse5 .cse4))) [2020-12-22 06:56:21,774 INFO L189 CegarLoopUtils]: For program point L777-1(lines 777 783) no Hoare annotation was computed. [2020-12-22 06:56:21,774 INFO L185 CegarLoopUtils]: At program point L777-2(lines 776 795) the Hoare annotation is: false [2020-12-22 06:56:21,774 INFO L185 CegarLoopUtils]: At program point L777-3(lines 776 795) the Hoare annotation is: false [2020-12-22 06:56:21,774 INFO L189 CegarLoopUtils]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-12-22 06:56:21,774 INFO L189 CegarLoopUtils]: For program point L645-1(lines 645 651) no Hoare annotation was computed. [2020-12-22 06:56:21,774 INFO L189 CegarLoopUtils]: For program point L645-2(lines 645 651) no Hoare annotation was computed. [2020-12-22 06:56:21,774 INFO L189 CegarLoopUtils]: For program point L645-3(lines 645 651) no Hoare annotation was computed. [2020-12-22 06:56:21,774 INFO L189 CegarLoopUtils]: For program point L645-4(lines 645 651) no Hoare annotation was computed. [2020-12-22 06:56:21,774 INFO L189 CegarLoopUtils]: For program point L645-5(lines 645 651) no Hoare annotation was computed. [2020-12-22 06:56:21,775 INFO L189 CegarLoopUtils]: For program point L712(lines 711 758) no Hoare annotation was computed. [2020-12-22 06:56:21,775 INFO L189 CegarLoopUtils]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-12-22 06:56:21,775 INFO L189 CegarLoopUtils]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-12-22 06:56:21,775 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:21,775 INFO L189 CegarLoopUtils]: For program point L813(lines 813 821) no Hoare annotation was computed. [2020-12-22 06:56:21,775 INFO L189 CegarLoopUtils]: For program point L813-1(lines 813 821) no Hoare annotation was computed. [2020-12-22 06:56:21,775 INFO L189 CegarLoopUtils]: For program point L813-2(lines 813 821) no Hoare annotation was computed. [2020-12-22 06:56:21,775 INFO L189 CegarLoopUtils]: For program point L813-3(lines 813 821) no Hoare annotation was computed. [2020-12-22 06:56:21,775 INFO L189 CegarLoopUtils]: For program point L681(lines 681 694) no Hoare annotation was computed. [2020-12-22 06:56:21,776 INFO L189 CegarLoopUtils]: For program point L813-4(lines 813 821) no Hoare annotation was computed. [2020-12-22 06:56:21,776 INFO L185 CegarLoopUtils]: At program point L681-1(lines 1 991) the Hoare annotation is: (let ((.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0))) (let ((.cse7 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse10 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse0 (<= ~waterLevel~0 1)) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse8 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse2 (= 1 ~systemActive~0)) (.cse16 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse17 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse18 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (not .cse13)) (.cse19 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (not .cse11)) (.cse20 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse2 .cse9 .cse10 .cse11 .cse12 .cse5 .cse13) (and .cse0 .cse2 .cse9 .cse7 .cse10 .cse11 .cse4 .cse5 .cse13) (and (= ~waterLevel~0 1) .cse9 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse12 .cse6 .cse5) (and .cse14 .cse15 .cse8 .cse2 .cse16 .cse17 .cse18 .cse11 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse19 (not .cse4) .cse9 .cse20 .cse13) (and .cse14 .cse1 .cse19 .cse15 .cse2 .cse16 .cse17 .cse3 .cse4 .cse5 .cse6 .cse20) (and .cse1 .cse14 .cse15 .cse8 .cse2 .cse16 .cse17 .cse18 .cse5 .cse6 .cse19 .cse3 .cse20)))) [2020-12-22 06:56:21,776 INFO L189 CegarLoopUtils]: For program point L813-5(lines 813 821) no Hoare annotation was computed. [2020-12-22 06:56:21,776 INFO L189 CegarLoopUtils]: For program point L681-2(lines 681 694) no Hoare annotation was computed. [2020-12-22 06:56:21,776 INFO L185 CegarLoopUtils]: At program point L681-3(lines 1 991) the Hoare annotation is: false [2020-12-22 06:56:21,776 INFO L189 CegarLoopUtils]: For program point L681-4(lines 681 694) no Hoare annotation was computed. [2020-12-22 06:56:21,777 INFO L185 CegarLoopUtils]: At program point L681-5(lines 1 991) the Hoare annotation is: false [2020-12-22 06:56:21,777 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:56:21,777 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:56:21,777 INFO L185 CegarLoopUtils]: At program point L980(lines 965 983) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:56:21,777 INFO L185 CegarLoopUtils]: At program point L980-1(lines 965 983) the Hoare annotation is: false [2020-12-22 06:56:21,777 INFO L185 CegarLoopUtils]: At program point L980-2(lines 965 983) the Hoare annotation is: false [2020-12-22 06:56:21,777 INFO L189 CegarLoopUtils]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-12-22 06:56:21,777 INFO L185 CegarLoopUtils]: At program point L749-2(lines 777 783) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse6 (let ((.cse10 (not .cse9))) (or (and (= ~waterLevel~0 1) .cse10 .cse1 .cse5) (and .cse10 .cse1 (<= 2 ~waterLevel~0) .cse5)))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_processEnvironment_~tmp~7 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse8) (and .cse2 .cse3 .cse9 .cse5 .cse8) (and .cse7 .cse2 .cse9 .cse5 .cse8) (and .cse6 .cse2 .cse3 .cse8) (and .cse0 .cse7 .cse1 .cse2 .cse4 .cse5)))) [2020-12-22 06:56:21,778 INFO L185 CegarLoopUtils]: At program point L650(lines 641 654) the Hoare annotation is: false [2020-12-22 06:56:21,778 INFO L185 CegarLoopUtils]: At program point L650-1(lines 641 654) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse8 (not .cse0)) (.cse9 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse9 .cse7 .cse1 .cse4 .cse5) (and .cse8 .cse9 .cse1 .cse2 .cse4 .cse5)))) [2020-12-22 06:56:21,778 INFO L185 CegarLoopUtils]: At program point L650-2(lines 641 654) the Hoare annotation is: false [2020-12-22 06:56:21,778 INFO L189 CegarLoopUtils]: For program point L551(line 551) no Hoare annotation was computed. [2020-12-22 06:56:21,778 INFO L185 CegarLoopUtils]: At program point L650-3(lines 641 654) the Hoare annotation is: false [2020-12-22 06:56:21,778 INFO L189 CegarLoopUtils]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-12-22 06:56:21,778 INFO L185 CegarLoopUtils]: At program point L650-4(lines 641 654) the Hoare annotation is: false [2020-12-22 06:56:21,779 INFO L185 CegarLoopUtils]: At program point L650-5(lines 641 654) the Hoare annotation is: false [2020-12-22 06:56:21,779 INFO L189 CegarLoopUtils]: For program point L551-2(line 551) no Hoare annotation was computed. [2020-12-22 06:56:21,779 INFO L185 CegarLoopUtils]: At program point L784(lines 784 790) the Hoare annotation is: (let ((.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse10 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse8 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse16 (not .cse11)) (.cse14 (<= ~waterLevel~0 2)) (.cse15 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse4 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse8 .cse9 .cse10 .cse11 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse12 (not .cse13) .cse3 .cse14) (and .cse0 .cse15 .cse2 .cse13 .cse5) (and .cse15 .cse6 .cse12 .cse7 .cse1 .cse2 .cse8 .cse9 .cse16 .cse10 .cse5 .cse14) (and .cse15 .cse6 .cse12 .cse7 .cse2 .cse8 .cse9 .cse16 .cse13 .cse5 .cse14) (and .cse0 .cse15 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse3 .cse2 .cse13 .cse5)))) [2020-12-22 06:56:21,779 INFO L185 CegarLoopUtils]: At program point L784-1(lines 784 790) the Hoare annotation is: false [2020-12-22 06:56:21,779 INFO L185 CegarLoopUtils]: At program point L784-2(lines 784 790) the Hoare annotation is: false [2020-12-22 06:56:21,779 INFO L189 CegarLoopUtils]: For program point L685(lines 685 691) no Hoare annotation was computed. [2020-12-22 06:56:21,779 INFO L189 CegarLoopUtils]: For program point L685-2(lines 685 691) no Hoare annotation was computed. [2020-12-22 06:56:21,780 INFO L189 CegarLoopUtils]: For program point L685-4(lines 685 691) no Hoare annotation was computed. [2020-12-22 06:56:21,780 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:21,780 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:56:21,780 INFO L189 CegarLoopUtils]: For program point L58-1(lines 777 783) no Hoare annotation was computed. [2020-12-22 06:56:21,780 INFO L189 CegarLoopUtils]: For program point L721(lines 721 727) no Hoare annotation was computed. [2020-12-22 06:56:21,780 INFO L185 CegarLoopUtils]: At program point L721-1(lines 721 727) the Hoare annotation is: (let ((.cse15 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0)) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse14 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (not .cse13)) (.cse6 (not .cse15)) (.cse0 (<= ~waterLevel~0 1)) (.cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse12 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse16 (= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse10 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse7 .cse4 .cse5 .cse6 .cse8) (and .cse9 .cse2 .cse10 .cse11 .cse12 .cse13 .cse14 .cse5 .cse8 .cse15) (and .cse1 .cse2 .cse10 .cse3 .cse14 .cse5 .cse6 .cse8) (and .cse1 .cse2 .cse3 (or (and .cse2 .cse10 .cse7 .cse5) (and .cse16 .cse10 .cse5)) .cse6 .cse8) (and .cse2 .cse11 .cse7 .cse4 .cse5 .cse8) (and .cse0 .cse2 .cse11 .cse9 .cse12 .cse13 .cse4 .cse5 .cse15) (and .cse16 .cse11 .cse2 .cse4 .cse5) (and .cse13 (or (and (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse16 .cse10 .cse2 .cse11 .cse5) (and .cse2 .cse10 .cse11 .cse7 .cse5)) .cse8 .cse15)))) [2020-12-22 06:56:21,780 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:21,780 INFO L189 CegarLoopUtils]: For program point L955(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,780 INFO L189 CegarLoopUtils]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,781 INFO L189 CegarLoopUtils]: For program point L955-3(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,781 INFO L189 CegarLoopUtils]: For program point L955-5(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,781 INFO L189 CegarLoopUtils]: For program point L955-6(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,781 INFO L189 CegarLoopUtils]: For program point L955-8(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,781 INFO L189 CegarLoopUtils]: For program point L955-9(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,781 INFO L189 CegarLoopUtils]: For program point L592(lines 592 596) no Hoare annotation was computed. [2020-12-22 06:56:21,784 INFO L189 CegarLoopUtils]: For program point L955-11(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,784 INFO L189 CegarLoopUtils]: For program point L955-12(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,784 INFO L189 CegarLoopUtils]: For program point L955-14(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,784 INFO L189 CegarLoopUtils]: For program point L955-15(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,784 INFO L189 CegarLoopUtils]: For program point L955-17(lines 955 959) no Hoare annotation was computed. [2020-12-22 06:56:21,784 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:21,784 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2020-12-22 06:56:21,784 INFO L185 CegarLoopUtils]: At program point L759(lines 710 760) the Hoare annotation is: false [2020-12-22 06:56:21,784 INFO L185 CegarLoopUtils]: At program point L660(lines 655 663) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:56:21,785 INFO L185 CegarLoopUtils]: At program point L660-1(lines 655 663) the Hoare annotation is: false [2020-12-22 06:56:21,785 INFO L185 CegarLoopUtils]: At program point L660-2(lines 655 663) the Hoare annotation is: false [2020-12-22 06:56:21,785 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-22 06:56:21,785 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-22 06:56:21,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:21 BoogieIcfgContainer [2020-12-22 06:56:21,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:21,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:21,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:21,844 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:21,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:57" (3/4) ... [2020-12-22 06:56:21,849 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:21,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:21,900 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:21,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:21,904 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:21,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:21,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:21,908 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:21,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) || (((((((((waterLevel <= 1 && \result <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && tmp == 0) && !(tmp == 0)) && splverifierCounter == 0)) || ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || ((((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp == 0)) && \result == 0) && !(\result == 0)) && waterLevel <= 2) [2020-12-22 06:56:21,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || (((((((((\result <= 1 && 1 == systemActive) && tmp == 0) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && tmp == 0) && !(\result == 0)) && tmp == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0) || ((waterLevel == 1 && tmp == 0) && splverifierCounter == 0))) && !(tmp == 0)) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((\result == 0 && ((((((\result == 0 && waterLevel == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) || ((((1 == systemActive && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0))) && waterLevel <= 2) && tmp == 0) [2020-12-22 06:56:21,945 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0) || (((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:21,946 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && tmp == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) [2020-12-22 06:56:21,948 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:21,948 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) || ((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0) [2020-12-22 06:56:21,949 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((tmp___0 == 1 && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:56:21,950 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && !(\result == 0)) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0 [2020-12-22 06:56:21,951 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp___0 == 1 && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:56:21,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp___0 == 1 && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:56:22,046 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product58.cil.c-witness.graphml [2020-12-22 06:56:22,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:22,051 INFO L168 Benchmark]: Toolchain (without parser) took 27220.56 ms. Allocated memory was 164.6 MB in the beginning and 429.9 MB in the end (delta: 265.3 MB). Free memory was 139.5 MB in the beginning and 162.9 MB in the end (delta: -23.4 MB). Peak memory consumption was 242.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,051 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 164.6 MB. Free memory is still 137.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:22,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.48 ms. Allocated memory is still 164.6 MB. Free memory was 139.3 MB in the beginning and 117.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.67 ms. Allocated memory is still 164.6 MB. Free memory was 117.3 MB in the beginning and 145.6 MB in the end (delta: -28.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,052 INFO L168 Benchmark]: Boogie Preprocessor took 76.36 ms. Allocated memory is still 164.6 MB. Free memory was 145.6 MB in the beginning and 143.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,053 INFO L168 Benchmark]: RCFGBuilder took 1448.70 ms. Allocated memory is still 164.6 MB. Free memory was 142.5 MB in the beginning and 72.7 MB in the end (delta: 69.7 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,053 INFO L168 Benchmark]: TraceAbstraction took 24529.84 ms. Allocated memory was 164.6 MB in the beginning and 429.9 MB in the end (delta: 265.3 MB). Free memory was 72.2 MB in the beginning and 176.0 MB in the end (delta: -103.8 MB). Peak memory consumption was 196.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,054 INFO L168 Benchmark]: Witness Printer took 202.25 ms. Allocated memory is still 429.9 MB. Free memory was 176.0 MB in the beginning and 162.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:22,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 164.6 MB. Free memory is still 137.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 829.48 ms. Allocated memory is still 164.6 MB. Free memory was 139.3 MB in the beginning and 117.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 124.67 ms. Allocated memory is still 164.6 MB. Free memory was 117.3 MB in the beginning and 145.6 MB in the end (delta: -28.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 76.36 ms. Allocated memory is still 164.6 MB. Free memory was 145.6 MB in the beginning and 143.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1448.70 ms. Allocated memory is still 164.6 MB. Free memory was 142.5 MB in the beginning and 72.7 MB in the end (delta: 69.7 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24529.84 ms. Allocated memory was 164.6 MB in the beginning and 429.9 MB in the end (delta: 265.3 MB). Free memory was 72.2 MB in the beginning and 176.0 MB in the end (delta: -103.8 MB). Peak memory consumption was 196.7 MB. Max. memory is 8.0 GB. * Witness Printer took 202.25 ms. Allocated memory is still 429.9 MB. Free memory was 176.0 MB in the beginning and 162.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 551]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 551]: 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: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0) || (((((((waterLevel == 1 && !(pumpRunning == 0)) && tmp == 0) && splverifierCounter == 0) || (((!(pumpRunning == 0) && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && waterLevel <= 2)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel == 1 && !(pumpRunning == 0)) && tmp == 0) && splverifierCounter == 0) || (((!(pumpRunning == 0) && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((tmp___0 == 1 && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && !(\result == 0)) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && (((waterLevel == 1 && tmp == 0) && splverifierCounter == 0) || (((!(pumpRunning == 0) && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0))) && waterLevel <= 2) || (((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && (((waterLevel == 1 && tmp == 0) && splverifierCounter == 0) || (((!(pumpRunning == 0) && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0))) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) || (((((((((waterLevel <= 1 && \result <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && tmp == 0) && !(tmp == 0)) && splverifierCounter == 0)) || ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || ((((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp == 0)) && \result == 0) && !(\result == 0)) && waterLevel <= 2) - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) || ((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || (((((((((\result <= 1 && 1 == systemActive) && tmp == 0) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && tmp == 0) && !(\result == 0)) && tmp == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0) || ((waterLevel == 1 && tmp == 0) && splverifierCounter == 0))) && !(tmp == 0)) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((\result == 0 && ((((((\result == 0 && waterLevel == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) || ((((1 == systemActive && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0))) && waterLevel <= 2) && tmp == 0) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((((((((tmp___0 == 1 && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((((((((tmp___0 == 1 && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: ((((((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && tmp == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0) || (((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: ((((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.9s, OverallIterations: 16, TraceHistogramMax: 2, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1875 SDtfs, 2945 SDslu, 3645 SDs, 0 SdLazy, 519 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 2785 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 324 NumberOfFragments, 1937 HoareAnnotationTreeSize, 58 FomulaSimplifications, 21148097 FormulaSimplificationTreeSizeReduction, 4.4s HoareSimplificationTime, 58 FomulaSimplificationsInter, 2059250 FormulaSimplificationTreeSizeReductionInter, 13.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 667 NumberOfCodeBlocks, 667 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 53819 SizeOfPredicates, 3 NumberOfNonLiveVariables, 463 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 78/90 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...