/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_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:12:36,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:12:36,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:12:36,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:12:36,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:12:36,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:12:36,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:12:36,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:12:36,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:12:36,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:12:36,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:12:36,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:12:36,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:12:36,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:12:36,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:12:36,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:12:36,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:12:36,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:12:36,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:12:36,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:12:36,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:12:36,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:12:36,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:12:36,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:12:36,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:12:36,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:12:36,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:12:36,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:12:36,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:12:36,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:12:36,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:12:36,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:12:36,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:12:36,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:12:36,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:12:36,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:12:36,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:12:36,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:12:36,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:12:36,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:12:36,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:12:36,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:12:36,976 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:12:36,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:12:36,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:12:36,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:12:36,980 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:12:36,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:12:36,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:12:36,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:12:36,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:12:36,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:12:36,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:12:36,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:12:36,983 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:12:36,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:12:36,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:12:36,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:12:36,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:12:36,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:36,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:12:36,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:12:36,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:12:36,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:12:36,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:12:36,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:12:36,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:12:36,986 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:12:37,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:12:37,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:12:37,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:12:37,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:12:37,461 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:12:37,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-01-06 19:12:37,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f04459837/8345b45b08fa4fa99d8ef3e22a4412dc/FLAGff079eb58 [2021-01-06 19:12:38,322 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:12:38,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-01-06 19:12:38,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f04459837/8345b45b08fa4fa99d8ef3e22a4412dc/FLAGff079eb58 [2021-01-06 19:12:38,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f04459837/8345b45b08fa4fa99d8ef3e22a4412dc [2021-01-06 19:12:38,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:12:38,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:12:38,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:38,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:12:38,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:12:38,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:38" (1/1) ... [2021-01-06 19:12:38,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389f5afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:38, skipping insertion in model container [2021-01-06 19:12:38,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:38" (1/1) ... [2021-01-06 19:12:38,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:12:38,722 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] [2021-01-06 19:12:39,133 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7153,7166] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] [2021-01-06 19:12:39,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:39,305 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] [2021-01-06 19:12:39,381 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7153,7166] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] [2021-01-06 19:12:39,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:39,484 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:12:39,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39 WrapperNode [2021-01-06 19:12:39,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:39,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:39,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:12:39,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:12:39,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:39,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:12:39,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:12:39,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:12:39,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:12:39,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:12:39,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:12:39,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:12:39,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 19:12:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:12:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:12:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:12:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:12:40,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:12:40,802 INFO L299 CfgBuilder]: Removed 122 assume(true) statements. [2021-01-06 19:12:40,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:40 BoogieIcfgContainer [2021-01-06 19:12:40,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:12:40,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:12:40,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:12:40,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:12:40,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:12:38" (1/3) ... [2021-01-06 19:12:40,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc43ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:40, skipping insertion in model container [2021-01-06 19:12:40,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (2/3) ... [2021-01-06 19:12:40,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc43ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:40, skipping insertion in model container [2021-01-06 19:12:40,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:40" (3/3) ... [2021-01-06 19:12:40,828 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2021-01-06 19:12:40,841 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:12:40,851 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:12:40,875 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:12:40,916 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:12:40,917 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:12:40,917 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:12:40,917 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:12:40,919 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:12:40,919 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:12:40,920 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:12:40,920 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:12:40,943 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2021-01-06 19:12:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:12:40,950 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:40,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:40,952 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:40,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:40,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1623272414, now seen corresponding path program 1 times [2021-01-06 19:12:40,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:40,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729815475] [2021-01-06 19:12:40,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:41,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729815475] [2021-01-06 19:12:41,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:41,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:41,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919397702] [2021-01-06 19:12:41,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:12:41,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:41,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:12:41,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:41,401 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2021-01-06 19:12:41,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:41,439 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2021-01-06 19:12:41,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:12:41,441 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:12:41,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:41,454 INFO L225 Difference]: With dead ends: 180 [2021-01-06 19:12:41,455 INFO L226 Difference]: Without dead ends: 89 [2021-01-06 19:12:41,458 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 [2021-01-06 19:12:41,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-01-06 19:12:41,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-01-06 19:12:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-01-06 19:12:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2021-01-06 19:12:41,509 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2021-01-06 19:12:41,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:41,510 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2021-01-06 19:12:41,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:12:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-01-06 19:12:41,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:12:41,512 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:41,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:41,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:12:41,513 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:41,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:41,514 INFO L82 PathProgramCache]: Analyzing trace with hash 352621777, now seen corresponding path program 1 times [2021-01-06 19:12:41,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:41,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16607015] [2021-01-06 19:12:41,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:41,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16607015] [2021-01-06 19:12:41,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:41,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:41,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710353581] [2021-01-06 19:12:41,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:41,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:41,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:41,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:41,750 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2021-01-06 19:12:41,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:41,784 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2021-01-06 19:12:41,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:41,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:12:41,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:41,788 INFO L225 Difference]: With dead ends: 89 [2021-01-06 19:12:41,788 INFO L226 Difference]: Without dead ends: 39 [2021-01-06 19:12:41,790 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 [2021-01-06 19:12:41,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-01-06 19:12:41,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-01-06 19:12:41,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-01-06 19:12:41,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-01-06 19:12:41,809 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2021-01-06 19:12:41,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:41,809 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-01-06 19:12:41,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:41,809 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-01-06 19:12:41,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:12:41,813 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:41,813 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] [2021-01-06 19:12:41,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:12:41,814 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:41,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:41,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2021-01-06 19:12:41,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:41,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422940051] [2021-01-06 19:12:41,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:41,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422940051] [2021-01-06 19:12:41,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:41,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:41,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764154081] [2021-01-06 19:12:41,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:41,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:41,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:41,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:41,967 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2021-01-06 19:12:42,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:42,007 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2021-01-06 19:12:42,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:42,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:12:42,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:42,010 INFO L225 Difference]: With dead ends: 72 [2021-01-06 19:12:42,011 INFO L226 Difference]: Without dead ends: 39 [2021-01-06 19:12:42,012 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 [2021-01-06 19:12:42,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-01-06 19:12:42,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-01-06 19:12:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-01-06 19:12:42,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-01-06 19:12:42,027 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2021-01-06 19:12:42,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:42,034 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-01-06 19:12:42,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-01-06 19:12:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 19:12:42,035 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:42,035 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] [2021-01-06 19:12:42,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:12:42,037 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:42,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:42,038 INFO L82 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2021-01-06 19:12:42,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:42,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248563366] [2021-01-06 19:12:42,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:42,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248563366] [2021-01-06 19:12:42,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:42,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:42,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009959001] [2021-01-06 19:12:42,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:42,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:42,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:42,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:42,176 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2021-01-06 19:12:42,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:42,222 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-01-06 19:12:42,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:42,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-01-06 19:12:42,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:42,225 INFO L225 Difference]: With dead ends: 95 [2021-01-06 19:12:42,226 INFO L226 Difference]: Without dead ends: 62 [2021-01-06 19:12:42,227 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 [2021-01-06 19:12:42,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-01-06 19:12:42,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-01-06 19:12:42,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-01-06 19:12:42,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-01-06 19:12:42,244 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2021-01-06 19:12:42,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:42,245 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-01-06 19:12:42,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-01-06 19:12:42,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:12:42,247 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:42,247 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] [2021-01-06 19:12:42,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:12:42,248 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:42,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:42,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2021-01-06 19:12:42,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:42,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702141396] [2021-01-06 19:12:42,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:42,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702141396] [2021-01-06 19:12:42,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:42,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:42,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846695089] [2021-01-06 19:12:42,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:42,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:42,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:42,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:42,390 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2021-01-06 19:12:42,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:42,503 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2021-01-06 19:12:42,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:42,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-01-06 19:12:42,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:42,506 INFO L225 Difference]: With dead ends: 314 [2021-01-06 19:12:42,507 INFO L226 Difference]: Without dead ends: 260 [2021-01-06 19:12:42,508 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 [2021-01-06 19:12:42,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-01-06 19:12:42,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-01-06 19:12:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-01-06 19:12:42,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2021-01-06 19:12:42,524 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2021-01-06 19:12:42,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:42,524 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2021-01-06 19:12:42,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:42,524 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2021-01-06 19:12:42,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:42,526 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:42,526 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:42,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:12:42,527 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:42,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:42,527 INFO L82 PathProgramCache]: Analyzing trace with hash -785377999, now seen corresponding path program 1 times [2021-01-06 19:12:42,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:42,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814694458] [2021-01-06 19:12:42,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:42,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814694458] [2021-01-06 19:12:42,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:42,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:42,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381025098] [2021-01-06 19:12:42,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:12:42,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:42,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:12:42,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:42,586 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 4 states. [2021-01-06 19:12:42,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:42,705 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2021-01-06 19:12:42,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:12:42,705 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-01-06 19:12:42,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:42,707 INFO L225 Difference]: With dead ends: 212 [2021-01-06 19:12:42,707 INFO L226 Difference]: Without dead ends: 158 [2021-01-06 19:12:42,708 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 [2021-01-06 19:12:42,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-01-06 19:12:42,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-01-06 19:12:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-01-06 19:12:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-01-06 19:12:42,724 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2021-01-06 19:12:42,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:42,725 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-01-06 19:12:42,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:12:42,725 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2021-01-06 19:12:42,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:42,726 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:42,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:42,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:12:42,727 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:42,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:42,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2021-01-06 19:12:42,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:42,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103714686] [2021-01-06 19:12:42,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:42,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103714686] [2021-01-06 19:12:42,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:42,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:42,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593831584] [2021-01-06 19:12:42,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:12:42,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:42,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:12:42,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:42,783 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 4 states. [2021-01-06 19:12:42,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:42,846 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2021-01-06 19:12:42,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:12:42,846 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-01-06 19:12:42,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:42,848 INFO L225 Difference]: With dead ends: 412 [2021-01-06 19:12:42,849 INFO L226 Difference]: Without dead ends: 308 [2021-01-06 19:12:42,849 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 [2021-01-06 19:12:42,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-01-06 19:12:42,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2021-01-06 19:12:42,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-01-06 19:12:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2021-01-06 19:12:42,867 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2021-01-06 19:12:42,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:42,868 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2021-01-06 19:12:42,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:12:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2021-01-06 19:12:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:42,869 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:42,869 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] [2021-01-06 19:12:42,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:12:42,870 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:42,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:42,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2021-01-06 19:12:42,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:42,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452386718] [2021-01-06 19:12:42,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:42,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452386718] [2021-01-06 19:12:42,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:42,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:12:42,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105521878] [2021-01-06 19:12:42,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:12:42,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:42,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:12:42,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:12:42,934 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand 6 states. [2021-01-06 19:12:43,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:43,032 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2021-01-06 19:12:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:43,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-01-06 19:12:43,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:43,035 INFO L225 Difference]: With dead ends: 524 [2021-01-06 19:12:43,035 INFO L226 Difference]: Without dead ends: 375 [2021-01-06 19:12:43,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:12:43,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-01-06 19:12:43,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2021-01-06 19:12:43,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2021-01-06 19:12:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2021-01-06 19:12:43,057 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2021-01-06 19:12:43,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:43,057 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2021-01-06 19:12:43,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:12:43,057 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2021-01-06 19:12:43,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 19:12:43,059 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:43,059 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] [2021-01-06 19:12:43,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:12:43,059 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:43,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:43,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2021-01-06 19:12:43,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:43,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093831847] [2021-01-06 19:12:43,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:43,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093831847] [2021-01-06 19:12:43,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:43,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:43,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729899923] [2021-01-06 19:12:43,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:12:43,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:43,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:12:43,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:12:43,129 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand 6 states. [2021-01-06 19:12:43,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:43,373 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2021-01-06 19:12:43,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-06 19:12:43,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-01-06 19:12:43,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:43,379 INFO L225 Difference]: With dead ends: 1154 [2021-01-06 19:12:43,380 INFO L226 Difference]: Without dead ends: 999 [2021-01-06 19:12:43,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-01-06 19:12:43,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-01-06 19:12:43,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2021-01-06 19:12:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2021-01-06 19:12:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2021-01-06 19:12:43,438 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2021-01-06 19:12:43,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:43,439 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2021-01-06 19:12:43,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:12:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2021-01-06 19:12:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 19:12:43,441 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:43,441 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] [2021-01-06 19:12:43,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:12:43,441 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:43,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:43,442 INFO L82 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2021-01-06 19:12:43,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:43,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726644397] [2021-01-06 19:12:43,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:43,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:43,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726644397] [2021-01-06 19:12:43,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:43,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:12:43,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487605461] [2021-01-06 19:12:43,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:12:43,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:43,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:12:43,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:12:43,511 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand 6 states. [2021-01-06 19:12:43,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:43,714 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2021-01-06 19:12:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:12:43,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-01-06 19:12:43,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:43,718 INFO L225 Difference]: With dead ends: 687 [2021-01-06 19:12:43,718 INFO L226 Difference]: Without dead ends: 121 [2021-01-06 19:12:43,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:12:43,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-01-06 19:12:43,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2021-01-06 19:12:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2021-01-06 19:12:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2021-01-06 19:12:43,734 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2021-01-06 19:12:43,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:43,735 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2021-01-06 19:12:43,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:12:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2021-01-06 19:12:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-01-06 19:12:43,735 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:43,736 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] [2021-01-06 19:12:43,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:12:43,736 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:43,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:43,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2021-01-06 19:12:43,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:43,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559014687] [2021-01-06 19:12:43,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:43,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559014687] [2021-01-06 19:12:43,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:43,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:12:43,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392194257] [2021-01-06 19:12:43,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:12:43,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:43,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:12:43,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:12:43,828 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand 7 states. [2021-01-06 19:12:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:44,183 INFO L93 Difference]: Finished difference Result 387 states and 459 transitions. [2021-01-06 19:12:44,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 19:12:44,184 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2021-01-06 19:12:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:44,185 INFO L225 Difference]: With dead ends: 387 [2021-01-06 19:12:44,185 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:12:44,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-01-06 19:12:44,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:12:44,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:12:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:12:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:12:44,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-01-06 19:12:44,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:44,188 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:12:44,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:12:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:12:44,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:12:44,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:12:44,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:12:44,511 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2021-01-06 19:12:44,652 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-01-06 19:12:44,922 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 118 [2021-01-06 19:12:45,153 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 102 [2021-01-06 19:12:45,295 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 96 [2021-01-06 19:12:45,529 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2021-01-06 19:12:45,954 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2021-01-06 19:12:46,256 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2021-01-06 19:12:46,574 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2021-01-06 19:12:47,105 WARN L197 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 28 [2021-01-06 19:12:47,334 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2021-01-06 19:12:47,525 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2021-01-06 19:12:47,888 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 28 [2021-01-06 19:12:48,275 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2021-01-06 19:12:48,571 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 45 [2021-01-06 19:12:48,794 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2021-01-06 19:12:49,099 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2021-01-06 19:12:49,205 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2021-01-06 19:12:49,206 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:12:49,206 INFO L189 CegarLoopUtils]: For program point L499(line 499) no Hoare annotation was computed. [2021-01-06 19:12:49,206 INFO L189 CegarLoopUtils]: For program point L499-1(line 499) no Hoare annotation was computed. [2021-01-06 19:12:49,207 INFO L189 CegarLoopUtils]: For program point L499-2(line 499) no Hoare annotation was computed. [2021-01-06 19:12:49,207 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-01-06 19:12:49,207 INFO L185 CegarLoopUtils]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse2) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2021-01-06 19:12:49,207 INFO L185 CegarLoopUtils]: At program point L236-1(lines 236 242) the Hoare annotation is: false [2021-01-06 19:12:49,207 INFO L185 CegarLoopUtils]: At program point L236-2(lines 236 242) the Hoare annotation is: false [2021-01-06 19:12:49,207 INFO L189 CegarLoopUtils]: For program point L484(lines 484 490) no Hoare annotation was computed. [2021-01-06 19:12:49,208 INFO L189 CegarLoopUtils]: For program point L484-1(lines 484 490) no Hoare annotation was computed. [2021-01-06 19:12:49,208 INFO L189 CegarLoopUtils]: For program point L484-2(lines 484 490) no Hoare annotation was computed. [2021-01-06 19:12:49,208 INFO L189 CegarLoopUtils]: For program point L187(lines 187 200) no Hoare annotation was computed. [2021-01-06 19:12:49,208 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-01-06 19:12:49,208 INFO L185 CegarLoopUtils]: At program point L534(lines 529 537) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-01-06 19:12:49,208 INFO L189 CegarLoopUtils]: For program point L914(lines 914 934) no Hoare annotation was computed. [2021-01-06 19:12:49,208 INFO L189 CegarLoopUtils]: For program point L914-2(lines 914 934) no Hoare annotation was computed. [2021-01-06 19:12:49,208 INFO L189 CegarLoopUtils]: For program point L914-4(lines 914 934) no Hoare annotation was computed. [2021-01-06 19:12:49,208 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)) [2021-01-06 19:12:49,208 INFO L189 CegarLoopUtils]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-01-06 19:12:49,209 INFO L185 CegarLoopUtils]: At program point L205(lines 156 206) the Hoare annotation is: false [2021-01-06 19:12:49,209 INFO L185 CegarLoopUtils]: At program point L387(lines 372 390) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse9 (= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse4 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse4 .cse10 .cse6 .cse7))) [2021-01-06 19:12:49,209 INFO L185 CegarLoopUtils]: At program point L387-1(lines 372 390) the Hoare annotation is: false [2021-01-06 19:12:49,209 INFO L185 CegarLoopUtils]: At program point L387-2(lines 372 390) the Hoare annotation is: false [2021-01-06 19:12:49,209 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:12:49,209 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-01-06 19:12:49,209 INFO L189 CegarLoopUtils]: For program point L58-1(lines 229 235) no Hoare annotation was computed. [2021-01-06 19:12:49,210 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-01-06 19:12:49,210 INFO L185 CegarLoopUtils]: At program point L323(lines 316 326) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse13)) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse14 (= ~waterLevel~0 1)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse0 .cse2 .cse3 .cse4 .cse5 .cse12 .cse7 .cse13 .cse8 .cse9 .cse10) (and .cse14 .cse1 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse11 .cse14 .cse4 .cse12 .cse5 .cse13 .cse8 .cse9)))) [2021-01-06 19:12:49,210 INFO L185 CegarLoopUtils]: At program point L323-1(lines 316 326) the Hoare annotation is: false [2021-01-06 19:12:49,210 INFO L185 CegarLoopUtils]: At program point L323-2(lines 316 326) the Hoare annotation is: false [2021-01-06 19:12:49,210 INFO L189 CegarLoopUtils]: For program point L158(lines 157 204) no Hoare annotation was computed. [2021-01-06 19:12:49,210 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2021-01-06 19:12:49,211 INFO L185 CegarLoopUtils]: At program point L489(lines 480 493) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse4 .cse5) (and .cse6 .cse2 .cse1 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5))) [2021-01-06 19:12:49,211 INFO L185 CegarLoopUtils]: At program point L489-1(lines 480 493) the Hoare annotation is: false [2021-01-06 19:12:49,211 INFO L185 CegarLoopUtils]: At program point L489-2(lines 480 493) the Hoare annotation is: false [2021-01-06 19:12:49,211 INFO L189 CegarLoopUtils]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-01-06 19:12:49,211 INFO L189 CegarLoopUtils]: For program point L407(lines 407 411) no Hoare annotation was computed. [2021-01-06 19:12:49,211 INFO L189 CegarLoopUtils]: For program point L407-3(lines 407 411) no Hoare annotation was computed. [2021-01-06 19:12:49,211 INFO L189 CegarLoopUtils]: For program point L407-6(lines 407 411) no Hoare annotation was computed. [2021-01-06 19:12:49,211 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:12:49,211 INFO L189 CegarLoopUtils]: For program point L920(lines 920 933) no Hoare annotation was computed. [2021-01-06 19:12:49,212 INFO L185 CegarLoopUtils]: At program point L920-1(lines 1 937) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse0 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse5) .cse3 .cse6) (and .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2021-01-06 19:12:49,212 INFO L189 CegarLoopUtils]: For program point L920-2(lines 920 933) no Hoare annotation was computed. [2021-01-06 19:12:49,212 INFO L185 CegarLoopUtils]: At program point L920-3(lines 1 937) the Hoare annotation is: false [2021-01-06 19:12:49,212 INFO L189 CegarLoopUtils]: For program point L920-4(lines 920 933) no Hoare annotation was computed. [2021-01-06 19:12:49,212 INFO L185 CegarLoopUtils]: At program point L920-5(lines 1 937) the Hoare annotation is: false [2021-01-06 19:12:49,212 INFO L189 CegarLoopUtils]: For program point L177(lines 177 183) no Hoare annotation was computed. [2021-01-06 19:12:49,213 INFO L185 CegarLoopUtils]: At program point L177-1(lines 177 183) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2021-01-06 19:12:49,213 INFO L189 CegarLoopUtils]: For program point L261(lines 261 278) no Hoare annotation was computed. [2021-01-06 19:12:49,213 INFO L189 CegarLoopUtils]: For program point L261-1(lines 261 278) no Hoare annotation was computed. [2021-01-06 19:12:49,213 INFO L189 CegarLoopUtils]: For program point L195(lines 195 199) no Hoare annotation was computed. [2021-01-06 19:12:49,213 INFO L189 CegarLoopUtils]: For program point L261-2(lines 261 278) no Hoare annotation was computed. [2021-01-06 19:12:49,213 INFO L185 CegarLoopUtils]: At program point L195-2(lines 229 235) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2021-01-06 19:12:49,214 INFO L185 CegarLoopUtils]: At program point L476(lines 471 479) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1)))) [2021-01-06 19:12:49,214 INFO L185 CegarLoopUtils]: At program point L476-1(lines 471 479) the Hoare annotation is: false [2021-01-06 19:12:49,214 INFO L185 CegarLoopUtils]: At program point L476-2(lines 471 479) the Hoare annotation is: false [2021-01-06 19:12:49,214 INFO L185 CegarLoopUtils]: At program point L526(lines 1 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-01-06 19:12:49,214 INFO L185 CegarLoopUtils]: At program point L229(lines 228 247) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2021-01-06 19:12:49,214 INFO L189 CegarLoopUtils]: For program point L229-1(lines 229 235) no Hoare annotation was computed. [2021-01-06 19:12:49,214 INFO L185 CegarLoopUtils]: At program point L229-2(lines 228 247) the Hoare annotation is: false [2021-01-06 19:12:49,215 INFO L185 CegarLoopUtils]: At program point L229-3(lines 228 247) the Hoare annotation is: false [2021-01-06 19:12:49,215 INFO L185 CegarLoopUtils]: At program point L444(lines 439 447) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse11 (= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse13)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse5 (= 1 ~systemActive~0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse4 .cse12 .cse5 .cse13 .cse8 .cse9) (and .cse11 .cse1 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse12 .cse7 .cse13 .cse8 .cse9 .cse10)))) [2021-01-06 19:12:49,215 INFO L185 CegarLoopUtils]: At program point L444-1(lines 439 447) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse5 (= ~waterLevel~0 1)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not .cse6)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse5 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2021-01-06 19:12:49,215 INFO L185 CegarLoopUtils]: At program point L444-2(lines 439 447) the Hoare annotation is: false [2021-01-06 19:12:49,215 INFO L185 CegarLoopUtils]: At program point L444-3(lines 439 447) the Hoare annotation is: false [2021-01-06 19:12:49,216 INFO L185 CegarLoopUtils]: At program point L444-4(lines 439 447) the Hoare annotation is: false [2021-01-06 19:12:49,216 INFO L185 CegarLoopUtils]: At program point L444-5(lines 439 447) the Hoare annotation is: false [2021-01-06 19:12:49,216 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:12:49,216 INFO L189 CegarLoopUtils]: For program point L924(lines 924 930) no Hoare annotation was computed. [2021-01-06 19:12:49,216 INFO L189 CegarLoopUtils]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2021-01-06 19:12:49,216 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2021-01-06 19:12:49,216 INFO L189 CegarLoopUtils]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2021-01-06 19:12:49,216 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-01-06 19:12:49,216 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L298(lines 298 304) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L265(lines 265 273) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L265-1(lines 265 273) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L298-2(lines 298 304) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L298-4(lines 298 304) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L381(lines 381 385) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L381-2(lines 381 385) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L381-3(lines 381 385) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L381-5(lines 381 385) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L381-6(lines 381 385) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L381-8(lines 381 385) no Hoare annotation was computed. [2021-01-06 19:12:49,217 INFO L189 CegarLoopUtils]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-01-06 19:12:49,218 INFO L185 CegarLoopUtils]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-01-06 19:12:49,218 INFO L185 CegarLoopUtils]: At program point L332-1(lines 327 335) the Hoare annotation is: false [2021-01-06 19:12:49,218 INFO L185 CegarLoopUtils]: At program point L332-2(lines 327 335) the Hoare annotation is: false [2021-01-06 19:12:49,218 INFO L189 CegarLoopUtils]: For program point L167(lines 167 173) no Hoare annotation was computed. [2021-01-06 19:12:49,218 INFO L185 CegarLoopUtils]: At program point L167-1(lines 167 173) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse1 (= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse8 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse5) .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse8 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse5 .cse6))) [2021-01-06 19:12:49,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:12:49 BoogieIcfgContainer [2021-01-06 19:12:49,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:12:49,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:12:49,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:12:49,281 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:12:49,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:40" (3/4) ... [2021-01-06 19:12:49,290 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:12:49,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:12:49,310 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:12:49,310 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:12:49,311 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:12:49,312 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:12:49,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:12:49,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:12:49,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(tmp == 0) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2021-01-06 19:12:49,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((((!(tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:49,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:49,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:49,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:49,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:12:49,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:49,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 [2021-01-06 19:12:49,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((waterLevel == 1 && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2021-01-06 19:12:49,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:49,415 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product42.cil.c-witness.graphml [2021-01-06 19:12:49,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:12:49,417 INFO L168 Benchmark]: Toolchain (without parser) took 10798.67 ms. Allocated memory was 151.0 MB in the beginning and 250.6 MB in the end (delta: 99.6 MB). Free memory was 125.0 MB in the beginning and 124.1 MB in the end (delta: 875.0 kB). Peak memory consumption was 101.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:49,417 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:12:49,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.98 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 103.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:49,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.21 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 100.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:49,419 INFO L168 Benchmark]: Boogie Preprocessor took 125.30 ms. Allocated memory is still 151.0 MB. Free memory was 100.5 MB in the beginning and 132.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 6.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:49,419 INFO L168 Benchmark]: RCFGBuilder took 1094.97 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 76.5 MB in the end (delta: 55.7 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:49,419 INFO L168 Benchmark]: TraceAbstraction took 8469.57 ms. Allocated memory was 151.0 MB in the beginning and 250.6 MB in the end (delta: 99.6 MB). Free memory was 76.0 MB in the beginning and 133.1 MB in the end (delta: -57.0 MB). Peak memory consumption was 95.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:49,420 INFO L168 Benchmark]: Witness Printer took 134.90 ms. Allocated memory is still 250.6 MB. Free memory was 133.1 MB in the beginning and 124.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:49,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 861.98 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 103.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 97.21 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 100.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 125.30 ms. Allocated memory is still 151.0 MB. Free memory was 100.5 MB in the beginning and 132.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 6.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1094.97 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 76.5 MB in the end (delta: 55.7 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8469.57 ms. Allocated memory was 151.0 MB in the beginning and 250.6 MB in the end (delta: 99.6 MB). Free memory was 76.0 MB in the beginning and 133.1 MB in the end (delta: -57.0 MB). Peak memory consumption was 95.0 MB. Max. memory is 8.0 GB. * Witness Printer took 134.90 ms. Allocated memory is still 250.6 MB. Free memory was 133.1 MB in the beginning and 124.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 499]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 499]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 499]: 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: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((waterLevel == 1 && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((((!(tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(tmp == 0) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: 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: 480]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1030 SDtfs, 1477 SDslu, 1859 SDs, 0 SdLazy, 274 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 279 NumberOfFragments, 1140 HoareAnnotationTreeSize, 40 FomulaSimplifications, 318668 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 40 FomulaSimplificationsInter, 25586 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 17496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...