/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_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:12:42,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:12:42,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:12:42,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:12:42,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:12:42,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:12:42,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:12:42,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:12:42,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:12:42,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:12:42,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:12:42,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:12:42,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:12:42,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:12:42,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:12:42,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:12:43,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:12:43,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:12:43,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:12:43,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:12:43,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:12:43,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:12:43,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:12:43,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:12:43,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:12:43,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:12:43,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:12:43,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:12:43,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:12:43,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:12:43,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:12:43,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:12:43,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:12:43,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:12:43,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:12:43,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:12:43,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:12:43,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:12:43,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:12:43,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:12:43,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:12:43,075 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 19:12:43,122 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:12:43,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:12:43,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:12:43,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:12:43,127 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:12:43,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:12:43,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:12:43,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:12:43,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:12:43,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:12:43,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:12:43,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:12:43,130 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:12:43,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:12:43,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:12:43,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:12:43,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:12:43,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:43,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:12:43,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:12:43,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:12:43,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:12:43,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:12:43,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:12:43,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:12:43,132 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:12:43,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:12:43,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:12:43,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:12:43,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:12:43,589 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:12:43,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-01-06 19:12:43,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/26337f65b/b2ee81a8d3dd4f998f75228c7e16a989/FLAG0126f20e2 [2021-01-06 19:12:44,331 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:12:44,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-01-06 19:12:44,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/26337f65b/b2ee81a8d3dd4f998f75228c7e16a989/FLAG0126f20e2 [2021-01-06 19:12:44,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/26337f65b/b2ee81a8d3dd4f998f75228c7e16a989 [2021-01-06 19:12:44,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:12:44,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:12:44,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:44,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:12:44,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:12:44,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc64d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44, skipping insertion in model container [2021-01-06 19:12:44,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:12:44,759 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~1,] 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~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] 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~3,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~4,] 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[~retValue_acc~9,] [2021-01-06 19:12:45,190 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_product50.cil.c[14819,14832] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] [2021-01-06 19:12:45,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:45,240 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~1,] 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~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] 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~3,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~4,] 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[~retValue_acc~9,] [2021-01-06 19:12:45,390 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_product50.cil.c[14819,14832] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] [2021-01-06 19:12:45,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:45,444 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:12:45,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45 WrapperNode [2021-01-06 19:12:45,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:45,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:45,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:12:45,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:12:45,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (1/1) ... [2021-01-06 19:12:45,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (1/1) ... [2021-01-06 19:12:45,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:45,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:12:45,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:12:45,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:12:45,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (1/1) ... [2021-01-06 19:12:45,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (1/1) ... [2021-01-06 19:12:45,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (1/1) ... [2021-01-06 19:12:45,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (1/1) ... [2021-01-06 19:12:45,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (1/1) ... [2021-01-06 19:12:45,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (1/1) ... [2021-01-06 19:12:45,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (1/1) ... [2021-01-06 19:12:45,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:12:45,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:12:45,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:12:45,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:12:45,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (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 19:12:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:12:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:12:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:12:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:12:46,900 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:12:46,901 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-01-06 19:12:46,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:46 BoogieIcfgContainer [2021-01-06 19:12:46,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:12:46,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:12:46,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:12:46,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:12:46,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:12:44" (1/3) ... [2021-01-06 19:12:46,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8088f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:46, skipping insertion in model container [2021-01-06 19:12:46,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:45" (2/3) ... [2021-01-06 19:12:46,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8088f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:46, skipping insertion in model container [2021-01-06 19:12:46,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:46" (3/3) ... [2021-01-06 19:12:46,918 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2021-01-06 19:12:46,926 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:12:46,932 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:12:46,953 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:12:46,998 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:12:46,999 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:12:46,999 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:12:46,999 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:12:46,999 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:12:46,999 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:12:47,000 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:12:47,000 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:12:47,020 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2021-01-06 19:12:47,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:12:47,028 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:47,028 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 19:12:47,029 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:47,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:47,036 INFO L82 PathProgramCache]: Analyzing trace with hash -370159664, now seen corresponding path program 1 times [2021-01-06 19:12:47,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:47,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865796075] [2021-01-06 19:12:47,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:47,427 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 19:12:47,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865796075] [2021-01-06 19:12:47,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:47,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:47,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779907065] [2021-01-06 19:12:47,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:12:47,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:47,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:12:47,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:47,457 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2021-01-06 19:12:47,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:47,516 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2021-01-06 19:12:47,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:12:47,518 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:12:47,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:47,535 INFO L225 Difference]: With dead ends: 240 [2021-01-06 19:12:47,536 INFO L226 Difference]: Without dead ends: 119 [2021-01-06 19:12:47,542 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 19:12:47,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-01-06 19:12:47,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-01-06 19:12:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-01-06 19:12:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-01-06 19:12:47,620 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2021-01-06 19:12:47,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:47,621 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-01-06 19:12:47,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:12:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-01-06 19:12:47,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:12:47,625 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:47,626 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 19:12:47,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:12:47,627 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:47,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:47,630 INFO L82 PathProgramCache]: Analyzing trace with hash -37103251, now seen corresponding path program 1 times [2021-01-06 19:12:47,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:47,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007193792] [2021-01-06 19:12:47,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:47,826 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 19:12:47,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007193792] [2021-01-06 19:12:47,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:47,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:47,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160075277] [2021-01-06 19:12:47,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:47,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:47,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:47,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:47,830 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 3 states. [2021-01-06 19:12:47,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:47,845 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2021-01-06 19:12:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:47,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:12:47,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:47,847 INFO L225 Difference]: With dead ends: 119 [2021-01-06 19:12:47,848 INFO L226 Difference]: Without dead ends: 49 [2021-01-06 19:12:47,849 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 19:12:47,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-01-06 19:12:47,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-01-06 19:12:47,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-01-06 19:12:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-01-06 19:12:47,856 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-01-06 19:12:47,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:47,857 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-01-06 19:12:47,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-01-06 19:12:47,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:12:47,858 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:47,858 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 19:12:47,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:12:47,859 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:47,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:47,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1803952717, now seen corresponding path program 1 times [2021-01-06 19:12:47,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:47,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888742603] [2021-01-06 19:12:47,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:47,974 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 19:12:47,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888742603] [2021-01-06 19:12:47,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:47,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:47,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142698262] [2021-01-06 19:12:47,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:47,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:47,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:47,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:47,978 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2021-01-06 19:12:48,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:48,006 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2021-01-06 19:12:48,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:48,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:12:48,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:48,008 INFO L225 Difference]: With dead ends: 92 [2021-01-06 19:12:48,008 INFO L226 Difference]: Without dead ends: 49 [2021-01-06 19:12:48,009 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 19:12:48,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-01-06 19:12:48,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-01-06 19:12:48,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-01-06 19:12:48,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-01-06 19:12:48,016 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-01-06 19:12:48,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:48,016 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-01-06 19:12:48,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:48,017 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-01-06 19:12:48,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:12:48,018 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:48,018 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] [2021-01-06 19:12:48,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:12:48,019 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:48,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:48,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1055002865, now seen corresponding path program 1 times [2021-01-06 19:12:48,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:48,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070674430] [2021-01-06 19:12:48,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:48,090 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 19:12:48,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070674430] [2021-01-06 19:12:48,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:48,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:48,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097899233] [2021-01-06 19:12:48,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:48,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:48,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:48,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:48,097 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2021-01-06 19:12:48,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:48,137 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-01-06 19:12:48,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:48,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 19:12:48,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:48,139 INFO L225 Difference]: With dead ends: 115 [2021-01-06 19:12:48,140 INFO L226 Difference]: Without dead ends: 72 [2021-01-06 19:12:48,141 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 19:12:48,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-01-06 19:12:48,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-01-06 19:12:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-01-06 19:12:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2021-01-06 19:12:48,151 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2021-01-06 19:12:48,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:48,151 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2021-01-06 19:12:48,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-01-06 19:12:48,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:48,153 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:48,153 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 19:12:48,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:12:48,154 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:48,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:48,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1200859520, now seen corresponding path program 1 times [2021-01-06 19:12:48,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:48,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858363463] [2021-01-06 19:12:48,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:48,240 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 19:12:48,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858363463] [2021-01-06 19:12:48,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:48,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:48,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630030017] [2021-01-06 19:12:48,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:48,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:48,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:48,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:48,243 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand 5 states. [2021-01-06 19:12:48,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:48,319 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2021-01-06 19:12:48,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:12:48,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-01-06 19:12:48,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:48,321 INFO L225 Difference]: With dead ends: 187 [2021-01-06 19:12:48,321 INFO L226 Difference]: Without dead ends: 123 [2021-01-06 19:12:48,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:12:48,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-01-06 19:12:48,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2021-01-06 19:12:48,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-01-06 19:12:48,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-01-06 19:12:48,332 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2021-01-06 19:12:48,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:48,333 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-01-06 19:12:48,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-01-06 19:12:48,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:48,334 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:48,334 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 19:12:48,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:12:48,335 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:48,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:48,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1966711683, now seen corresponding path program 1 times [2021-01-06 19:12:48,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:48,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870022938] [2021-01-06 19:12:48,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:48,405 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 19:12:48,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870022938] [2021-01-06 19:12:48,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:48,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:48,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022165223] [2021-01-06 19:12:48,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:48,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:48,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:48,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:48,408 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand 5 states. [2021-01-06 19:12:48,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:48,524 INFO L93 Difference]: Finished difference Result 381 states and 542 transitions. [2021-01-06 19:12:48,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:48,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-01-06 19:12:48,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:48,527 INFO L225 Difference]: With dead ends: 381 [2021-01-06 19:12:48,528 INFO L226 Difference]: Without dead ends: 311 [2021-01-06 19:12:48,528 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 19:12:48,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-01-06 19:12:48,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2021-01-06 19:12:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2021-01-06 19:12:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2021-01-06 19:12:48,548 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 32 [2021-01-06 19:12:48,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:48,548 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2021-01-06 19:12:48,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2021-01-06 19:12:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:12:48,550 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:48,550 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] [2021-01-06 19:12:48,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:12:48,550 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:48,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:48,551 INFO L82 PathProgramCache]: Analyzing trace with hash 895665153, now seen corresponding path program 1 times [2021-01-06 19:12:48,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:48,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082491330] [2021-01-06 19:12:48,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:48,633 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 19:12:48,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082491330] [2021-01-06 19:12:48,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:48,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:48,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748441734] [2021-01-06 19:12:48,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:12:48,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:48,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:12:48,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:48,637 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand 4 states. [2021-01-06 19:12:48,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:48,774 INFO L93 Difference]: Finished difference Result 254 states and 351 transitions. [2021-01-06 19:12:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:12:48,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-01-06 19:12:48,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:48,778 INFO L225 Difference]: With dead ends: 254 [2021-01-06 19:12:48,778 INFO L226 Difference]: Without dead ends: 184 [2021-01-06 19:12:48,780 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 19:12:48,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-01-06 19:12:48,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2021-01-06 19:12:48,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2021-01-06 19:12:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 246 transitions. [2021-01-06 19:12:48,814 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 246 transitions. Word has length 33 [2021-01-06 19:12:48,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:48,815 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 246 transitions. [2021-01-06 19:12:48,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:12:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 246 transitions. [2021-01-06 19:12:48,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:12:48,817 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:48,817 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] [2021-01-06 19:12:48,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:12:48,818 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:48,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:48,818 INFO L82 PathProgramCache]: Analyzing trace with hash -115452097, now seen corresponding path program 1 times [2021-01-06 19:12:48,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:48,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159412525] [2021-01-06 19:12:48,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:48,884 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 19:12:48,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159412525] [2021-01-06 19:12:48,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:48,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:48,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591930387] [2021-01-06 19:12:48,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:12:48,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:48,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:12:48,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:48,887 INFO L87 Difference]: Start difference. First operand 181 states and 246 transitions. Second operand 4 states. [2021-01-06 19:12:48,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:48,962 INFO L93 Difference]: Finished difference Result 428 states and 593 transitions. [2021-01-06 19:12:48,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:12:48,962 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-01-06 19:12:48,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:48,964 INFO L225 Difference]: With dead ends: 428 [2021-01-06 19:12:48,965 INFO L226 Difference]: Without dead ends: 299 [2021-01-06 19:12:48,966 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 19:12:48,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-01-06 19:12:48,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 175. [2021-01-06 19:12:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2021-01-06 19:12:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 238 transitions. [2021-01-06 19:12:48,982 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 238 transitions. Word has length 33 [2021-01-06 19:12:48,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:48,983 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 238 transitions. [2021-01-06 19:12:48,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:12:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2021-01-06 19:12:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:12:48,984 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:48,984 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] [2021-01-06 19:12:48,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:12:48,985 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:48,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:48,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1270109434, now seen corresponding path program 1 times [2021-01-06 19:12:48,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:48,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653218311] [2021-01-06 19:12:48,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:49,043 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 19:12:49,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653218311] [2021-01-06 19:12:49,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:49,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:49,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117589782] [2021-01-06 19:12:49,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:49,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:49,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:49,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:49,046 INFO L87 Difference]: Start difference. First operand 175 states and 238 transitions. Second operand 5 states. [2021-01-06 19:12:49,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:49,236 INFO L93 Difference]: Finished difference Result 465 states and 646 transitions. [2021-01-06 19:12:49,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:49,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:12:49,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:49,239 INFO L225 Difference]: With dead ends: 465 [2021-01-06 19:12:49,239 INFO L226 Difference]: Without dead ends: 296 [2021-01-06 19:12:49,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 19:12:49,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-01-06 19:12:49,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 154. [2021-01-06 19:12:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2021-01-06 19:12:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 202 transitions. [2021-01-06 19:12:49,257 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 202 transitions. Word has length 33 [2021-01-06 19:12:49,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:49,257 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 202 transitions. [2021-01-06 19:12:49,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 202 transitions. [2021-01-06 19:12:49,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:12:49,258 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:49,258 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] [2021-01-06 19:12:49,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:12:49,259 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:49,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:49,260 INFO L82 PathProgramCache]: Analyzing trace with hash 142713341, now seen corresponding path program 1 times [2021-01-06 19:12:49,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:49,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509842162] [2021-01-06 19:12:49,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:49,312 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 19:12:49,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509842162] [2021-01-06 19:12:49,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:49,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:49,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907402703] [2021-01-06 19:12:49,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:49,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:49,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:49,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:49,315 INFO L87 Difference]: Start difference. First operand 154 states and 202 transitions. Second operand 5 states. [2021-01-06 19:12:49,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:49,382 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2021-01-06 19:12:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:12:49,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:12:49,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:49,385 INFO L225 Difference]: With dead ends: 391 [2021-01-06 19:12:49,385 INFO L226 Difference]: Without dead ends: 243 [2021-01-06 19:12:49,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:12:49,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-01-06 19:12:49,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 142. [2021-01-06 19:12:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-01-06 19:12:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 183 transitions. [2021-01-06 19:12:49,402 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 183 transitions. Word has length 33 [2021-01-06 19:12:49,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:49,402 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 183 transitions. [2021-01-06 19:12:49,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 183 transitions. [2021-01-06 19:12:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 19:12:49,403 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:49,403 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:49,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:12:49,404 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:49,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:49,405 INFO L82 PathProgramCache]: Analyzing trace with hash 749127781, now seen corresponding path program 1 times [2021-01-06 19:12:49,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:49,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061102559] [2021-01-06 19:12:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 19:12:49,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061102559] [2021-01-06 19:12:49,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:49,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:49,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350091554] [2021-01-06 19:12:49,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:12:49,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:49,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:12:49,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:49,459 INFO L87 Difference]: Start difference. First operand 142 states and 183 transitions. Second operand 4 states. [2021-01-06 19:12:49,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:49,494 INFO L93 Difference]: Finished difference Result 285 states and 375 transitions. [2021-01-06 19:12:49,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:12:49,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2021-01-06 19:12:49,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:49,496 INFO L225 Difference]: With dead ends: 285 [2021-01-06 19:12:49,496 INFO L226 Difference]: Without dead ends: 175 [2021-01-06 19:12:49,497 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 19:12:49,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-01-06 19:12:49,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 126. [2021-01-06 19:12:49,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2021-01-06 19:12:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2021-01-06 19:12:49,513 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 52 [2021-01-06 19:12:49,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:49,513 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2021-01-06 19:12:49,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:12:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2021-01-06 19:12:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 19:12:49,514 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:49,514 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:49,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:12:49,515 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:49,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:49,515 INFO L82 PathProgramCache]: Analyzing trace with hash 176703009, now seen corresponding path program 1 times [2021-01-06 19:12:49,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:49,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223836297] [2021-01-06 19:12:49,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:49,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223836297] [2021-01-06 19:12:49,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:49,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:49,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796254581] [2021-01-06 19:12:49,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:49,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:49,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:49,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:49,583 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand 5 states. [2021-01-06 19:12:49,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:49,711 INFO L93 Difference]: Finished difference Result 656 states and 844 transitions. [2021-01-06 19:12:49,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:12:49,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-01-06 19:12:49,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:49,715 INFO L225 Difference]: With dead ends: 656 [2021-01-06 19:12:49,715 INFO L226 Difference]: Without dead ends: 536 [2021-01-06 19:12:49,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:12:49,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-01-06 19:12:49,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 244. [2021-01-06 19:12:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2021-01-06 19:12:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 310 transitions. [2021-01-06 19:12:49,751 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 310 transitions. Word has length 53 [2021-01-06 19:12:49,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:49,752 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 310 transitions. [2021-01-06 19:12:49,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 310 transitions. [2021-01-06 19:12:49,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 19:12:49,753 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:49,753 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:49,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:12:49,754 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:49,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:49,755 INFO L82 PathProgramCache]: Analyzing trace with hash 53419547, now seen corresponding path program 1 times [2021-01-06 19:12:49,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:49,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967229213] [2021-01-06 19:12:49,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:12:49,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967229213] [2021-01-06 19:12:49,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:49,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:49,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506150348] [2021-01-06 19:12:49,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:49,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:49,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:49,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:49,818 INFO L87 Difference]: Start difference. First operand 244 states and 310 transitions. Second operand 5 states. [2021-01-06 19:12:49,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:49,897 INFO L93 Difference]: Finished difference Result 516 states and 670 transitions. [2021-01-06 19:12:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:12:49,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-01-06 19:12:49,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:49,899 INFO L225 Difference]: With dead ends: 516 [2021-01-06 19:12:49,900 INFO L226 Difference]: Without dead ends: 330 [2021-01-06 19:12:49,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:12:49,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-01-06 19:12:49,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 250. [2021-01-06 19:12:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-01-06 19:12:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 316 transitions. [2021-01-06 19:12:49,938 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 316 transitions. Word has length 54 [2021-01-06 19:12:49,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:49,939 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 316 transitions. [2021-01-06 19:12:49,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 316 transitions. [2021-01-06 19:12:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 19:12:49,940 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:49,940 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:49,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:12:49,941 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:49,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:49,942 INFO L82 PathProgramCache]: Analyzing trace with hash 311584985, now seen corresponding path program 1 times [2021-01-06 19:12:49,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:49,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513920720] [2021-01-06 19:12:49,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 19:12:50,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513920720] [2021-01-06 19:12:50,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200963380] [2021-01-06 19:12:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:12:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:50,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-06 19:12:50,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:12:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 19:12:50,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:12:50,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-01-06 19:12:50,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409691055] [2021-01-06 19:12:50,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:12:50,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:50,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:12:50,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:12:50,304 INFO L87 Difference]: Start difference. First operand 250 states and 316 transitions. Second operand 8 states. [2021-01-06 19:12:50,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:50,498 INFO L93 Difference]: Finished difference Result 608 states and 764 transitions. [2021-01-06 19:12:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:12:50,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2021-01-06 19:12:50,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:50,501 INFO L225 Difference]: With dead ends: 608 [2021-01-06 19:12:50,502 INFO L226 Difference]: Without dead ends: 364 [2021-01-06 19:12:50,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:12:50,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-01-06 19:12:50,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 236. [2021-01-06 19:12:50,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2021-01-06 19:12:50,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 289 transitions. [2021-01-06 19:12:50,551 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 289 transitions. Word has length 54 [2021-01-06 19:12:50,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:50,552 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 289 transitions. [2021-01-06 19:12:50,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:12:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2021-01-06 19:12:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 19:12:50,553 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:50,553 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:50,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-06 19:12:50,768 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:50,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:50,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1497135604, now seen corresponding path program 1 times [2021-01-06 19:12:50,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:50,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034398573] [2021-01-06 19:12:50,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-01-06 19:12:50,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034398573] [2021-01-06 19:12:50,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671891211] [2021-01-06 19:12:50,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:12:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:50,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 7 conjunts are in the unsatisfiable core [2021-01-06 19:12:50,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:12:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-01-06 19:12:51,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:12:51,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-01-06 19:12:51,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731281666] [2021-01-06 19:12:51,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:12:51,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:51,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:12:51,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:12:51,061 INFO L87 Difference]: Start difference. First operand 236 states and 289 transitions. Second operand 7 states. [2021-01-06 19:12:51,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:51,312 INFO L93 Difference]: Finished difference Result 814 states and 1020 transitions. [2021-01-06 19:12:51,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 19:12:51,313 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2021-01-06 19:12:51,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:51,313 INFO L225 Difference]: With dead ends: 814 [2021-01-06 19:12:51,313 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:12:51,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-01-06 19:12:51,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:12:51,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:12:51,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:12:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:12:51,316 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-01-06 19:12:51,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:51,316 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:12:51,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:12:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:12:51,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:12:51,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-01-06 19:12:51,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:12:51,761 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2021-01-06 19:12:52,207 WARN L197 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 163 [2021-01-06 19:12:52,488 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 142 [2021-01-06 19:12:53,165 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 202 [2021-01-06 19:12:53,414 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 146 [2021-01-06 19:12:53,873 WARN L197 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 202 [2021-01-06 19:12:53,988 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-01-06 19:12:54,202 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 89 [2021-01-06 19:12:54,416 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2021-01-06 19:12:54,876 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2021-01-06 19:12:55,859 WARN L197 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 33 [2021-01-06 19:12:56,637 WARN L197 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 57 [2021-01-06 19:12:56,779 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2021-01-06 19:12:57,104 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 43 [2021-01-06 19:12:58,594 WARN L197 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 195 DAG size of output: 47 [2021-01-06 19:12:59,413 WARN L197 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 46 [2021-01-06 19:13:00,879 WARN L197 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 47 [2021-01-06 19:13:01,176 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 28 [2021-01-06 19:13:01,430 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2021-01-06 19:13:01,855 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 38 [2021-01-06 19:13:01,859 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-01-06 19:13:01,859 INFO L189 CegarLoopUtils]: For program point L696(line 696) no Hoare annotation was computed. [2021-01-06 19:13:01,859 INFO L189 CegarLoopUtils]: For program point L696-1(line 696) no Hoare annotation was computed. [2021-01-06 19:13:01,859 INFO L189 CegarLoopUtils]: For program point L696-2(line 696) no Hoare annotation was computed. [2021-01-06 19:13:01,860 INFO L185 CegarLoopUtils]: At program point L963(lines 948 966) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-01-06 19:13:01,860 INFO L185 CegarLoopUtils]: At program point L963-1(lines 948 966) the Hoare annotation is: false [2021-01-06 19:13:01,860 INFO L185 CegarLoopUtils]: At program point L963-2(lines 948 966) the Hoare annotation is: false [2021-01-06 19:13:01,860 INFO L189 CegarLoopUtils]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-01-06 19:13:01,860 INFO L185 CegarLoopUtils]: At program point L732-1(lines 732 738) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse8 (or (and (= ~waterLevel~0 1) .cse9 .cse0 .cse3 .cse11) (and .cse9 .cse0 (<= 2 ~waterLevel~0) .cse3 .cse11))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~7 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse7 .cse8 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse4) (and .cse5 .cse6 .cse0 .cse9 .cse7 .cse10 .cse3 .cse4 .cse11) (and (<= ~waterLevel~0 1) .cse6 .cse1 .cse0 .cse9 .cse7 .cse10 .cse3 .cse11)))) [2021-01-06 19:13:01,860 INFO L185 CegarLoopUtils]: At program point L567-2(lines 567 581) the Hoare annotation is: false [2021-01-06 19:13:01,860 INFO L189 CegarLoopUtils]: For program point L568(line 568) no Hoare annotation was computed. [2021-01-06 19:13:01,860 INFO L189 CegarLoopUtils]: For program point L535(lines 535 541) no Hoare annotation was computed. [2021-01-06 19:13:01,861 INFO L189 CegarLoopUtils]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2021-01-06 19:13:01,861 INFO L189 CegarLoopUtils]: For program point L535-2(lines 535 541) no Hoare annotation was computed. [2021-01-06 19:13:01,861 INFO L189 CegarLoopUtils]: For program point L535-3(lines 535 541) no Hoare annotation was computed. [2021-01-06 19:13:01,861 INFO L189 CegarLoopUtils]: For program point L535-4(lines 535 541) no Hoare annotation was computed. [2021-01-06 19:13:01,861 INFO L189 CegarLoopUtils]: For program point L535-5(lines 535 541) no Hoare annotation was computed. [2021-01-06 19:13:01,861 INFO L189 CegarLoopUtils]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-01-06 19:13:01,861 INFO L189 CegarLoopUtils]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-01-06 19:13:01,861 INFO L189 CegarLoopUtils]: For program point L571-1(lines 778 784) no Hoare annotation was computed. [2021-01-06 19:13:01,862 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-01-06 19:13:01,862 INFO L189 CegarLoopUtils]: For program point L836(lines 836 853) no Hoare annotation was computed. [2021-01-06 19:13:01,862 INFO L189 CegarLoopUtils]: For program point L836-1(lines 836 853) no Hoare annotation was computed. [2021-01-06 19:13:01,862 INFO L189 CegarLoopUtils]: For program point L836-2(lines 836 853) no Hoare annotation was computed. [2021-01-06 19:13:01,862 INFO L185 CegarLoopUtils]: At program point L540(lines 531 544) the Hoare annotation is: false [2021-01-06 19:13:01,863 INFO L185 CegarLoopUtils]: At program point L540-1(lines 531 544) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse4 .cse5 .cse8) (and .cse7 .cse2 .cse9 .cse4 .cse5 .cse8) (and .cse1 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-01-06 19:13:01,863 INFO L185 CegarLoopUtils]: At program point L540-2(lines 531 544) the Hoare annotation is: false [2021-01-06 19:13:01,863 INFO L185 CegarLoopUtils]: At program point L540-3(lines 531 544) the Hoare annotation is: false [2021-01-06 19:13:01,863 INFO L185 CegarLoopUtils]: At program point L540-4(lines 531 544) the Hoare annotation is: false [2021-01-06 19:13:01,863 INFO L185 CegarLoopUtils]: At program point L540-5(lines 531 544) the Hoare annotation is: false [2021-01-06 19:13:01,864 INFO L189 CegarLoopUtils]: For program point L938(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,864 INFO L189 CegarLoopUtils]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,864 INFO L189 CegarLoopUtils]: For program point L938-3(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,864 INFO L189 CegarLoopUtils]: For program point L938-5(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,864 INFO L189 CegarLoopUtils]: For program point L938-6(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,864 INFO L189 CegarLoopUtils]: For program point L938-8(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,864 INFO L189 CegarLoopUtils]: For program point L938-9(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,865 INFO L189 CegarLoopUtils]: For program point L938-11(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,865 INFO L189 CegarLoopUtils]: For program point L938-12(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,865 INFO L189 CegarLoopUtils]: For program point L938-14(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,865 INFO L189 CegarLoopUtils]: For program point L938-15(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,865 INFO L189 CegarLoopUtils]: For program point L938-17(lines 938 942) no Hoare annotation was computed. [2021-01-06 19:13:01,865 INFO L189 CegarLoopUtils]: For program point L840(lines 840 848) no Hoare annotation was computed. [2021-01-06 19:13:01,865 INFO L189 CegarLoopUtils]: For program point L840-1(lines 840 848) no Hoare annotation was computed. [2021-01-06 19:13:01,865 INFO L189 CegarLoopUtils]: For program point L840-2(lines 840 848) no Hoare annotation was computed. [2021-01-06 19:13:01,865 INFO L189 CegarLoopUtils]: For program point L742(lines 742 755) no Hoare annotation was computed. [2021-01-06 19:13:01,866 INFO L189 CegarLoopUtils]: For program point L643(lines 643 650) no Hoare annotation was computed. [2021-01-06 19:13:01,866 INFO L192 CegarLoopUtils]: At program point L643-1(lines 643 650) the Hoare annotation is: true [2021-01-06 19:13:01,866 INFO L189 CegarLoopUtils]: For program point L810(lines 810 827) no Hoare annotation was computed. [2021-01-06 19:13:01,866 INFO L189 CegarLoopUtils]: For program point L810-1(lines 810 827) no Hoare annotation was computed. [2021-01-06 19:13:01,866 INFO L189 CegarLoopUtils]: For program point L810-2(lines 810 827) no Hoare annotation was computed. [2021-01-06 19:13:01,866 INFO L189 CegarLoopUtils]: For program point L810-3(lines 810 827) no Hoare annotation was computed. [2021-01-06 19:13:01,866 INFO L189 CegarLoopUtils]: For program point L810-4(lines 810 827) no Hoare annotation was computed. [2021-01-06 19:13:01,866 INFO L189 CegarLoopUtils]: For program point L810-5(lines 810 827) no Hoare annotation was computed. [2021-01-06 19:13:01,867 INFO L185 CegarLoopUtils]: At program point L778(lines 777 796) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= ~waterLevel~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse0 .cse8 .cse9 .cse3 .cse10) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse7 .cse1 .cse0 .cse8 .cse9 .cse3 .cse10))) [2021-01-06 19:13:01,867 INFO L189 CegarLoopUtils]: For program point L778-1(lines 778 784) no Hoare annotation was computed. [2021-01-06 19:13:01,867 INFO L185 CegarLoopUtils]: At program point L778-2(lines 777 796) the Hoare annotation is: false [2021-01-06 19:13:01,867 INFO L185 CegarLoopUtils]: At program point L679(lines 1 974) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:01,867 INFO L185 CegarLoopUtils]: At program point L778-3(lines 777 796) the Hoare annotation is: false [2021-01-06 19:13:01,867 INFO L185 CegarLoopUtils]: At program point L944(lines 929 947) the Hoare annotation is: false [2021-01-06 19:13:01,868 INFO L185 CegarLoopUtils]: At program point L944-1(lines 929 947) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse4 (= 1 ~systemActive~0)) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse13 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse14 (<= ~waterLevel~0 2)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse2 .cse4 .cse12 .cse13 .cse6 .cse7 .cse14 .cse15) (and .cse9 .cse10 .cse11 .cse4 .cse12 .cse13 .cse6 .cse7 .cse14 .cse15))) [2021-01-06 19:13:01,868 INFO L185 CegarLoopUtils]: At program point L944-2(lines 929 947) the Hoare annotation is: false [2021-01-06 19:13:01,868 INFO L185 CegarLoopUtils]: At program point L944-3(lines 929 947) the Hoare annotation is: false [2021-01-06 19:13:01,868 INFO L185 CegarLoopUtils]: At program point L944-4(lines 929 947) the Hoare annotation is: false [2021-01-06 19:13:01,868 INFO L185 CegarLoopUtils]: At program point L944-5(lines 929 947) the Hoare annotation is: false [2021-01-06 19:13:01,868 INFO L189 CegarLoopUtils]: For program point L713(lines 712 759) no Hoare annotation was computed. [2021-01-06 19:13:01,869 INFO L189 CegarLoopUtils]: For program point L482(lines 482 486) no Hoare annotation was computed. [2021-01-06 19:13:01,869 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:13:01,869 INFO L189 CegarLoopUtils]: For program point L714(lines 714 718) no Hoare annotation was computed. [2021-01-06 19:13:01,869 INFO L189 CegarLoopUtils]: For program point L814(lines 814 822) no Hoare annotation was computed. [2021-01-06 19:13:01,869 INFO L189 CegarLoopUtils]: For program point L814-1(lines 814 822) no Hoare annotation was computed. [2021-01-06 19:13:01,869 INFO L189 CegarLoopUtils]: For program point L814-2(lines 814 822) no Hoare annotation was computed. [2021-01-06 19:13:01,869 INFO L189 CegarLoopUtils]: For program point L814-3(lines 814 822) no Hoare annotation was computed. [2021-01-06 19:13:01,869 INFO L189 CegarLoopUtils]: For program point L814-4(lines 814 822) no Hoare annotation was computed. [2021-01-06 19:13:01,869 INFO L189 CegarLoopUtils]: For program point L814-5(lines 814 822) no Hoare annotation was computed. [2021-01-06 19:13:01,870 INFO L185 CegarLoopUtils]: At program point L616(lines 612 618) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:01,870 INFO L185 CegarLoopUtils]: At program point L550(lines 545 553) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-01-06 19:13:01,870 INFO L185 CegarLoopUtils]: At program point L550-1(lines 545 553) the Hoare annotation is: false [2021-01-06 19:13:01,870 INFO L185 CegarLoopUtils]: At program point L550-2(lines 545 553) the Hoare annotation is: false [2021-01-06 19:13:01,870 INFO L189 CegarLoopUtils]: For program point L750(lines 750 754) no Hoare annotation was computed. [2021-01-06 19:13:01,871 INFO L185 CegarLoopUtils]: At program point L750-2(lines 778 784) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse8 (or (and (= ~waterLevel~0 1) .cse9 .cse0 .cse3 .cse11) (and .cse9 .cse0 (<= 2 ~waterLevel~0) .cse3 .cse11))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~7 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse7 .cse8 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse4) (and .cse5 .cse6 .cse0 .cse9 .cse7 .cse10 .cse3 .cse4 .cse11) (and (<= ~waterLevel~0 1) .cse6 .cse1 .cse0 .cse9 .cse7 .cse10 .cse3 .cse11)))) [2021-01-06 19:13:01,871 INFO L192 CegarLoopUtils]: At program point L652(lines 633 655) the Hoare annotation is: true [2021-01-06 19:13:01,871 INFO L189 CegarLoopUtils]: For program point L421(lines 421 441) no Hoare annotation was computed. [2021-01-06 19:13:01,871 INFO L189 CegarLoopUtils]: For program point L421-2(lines 421 441) no Hoare annotation was computed. [2021-01-06 19:13:01,871 INFO L189 CegarLoopUtils]: For program point L421-4(lines 421 441) no Hoare annotation was computed. [2021-01-06 19:13:01,871 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:13:01,871 INFO L185 CegarLoopUtils]: At program point L785(lines 785 791) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse12 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse13 (<= 2 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse14 (<= ~waterLevel~0 2)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse7 .cse8 .cse4 .cse9) (and .cse5 .cse10 .cse2 .cse6 .cse11 .cse12 .cse7 .cse13 .cse4 .cse14 .cse9) (and .cse0 .cse2 .cse11 .cse3 .cse4) (and .cse0 .cse5 .cse11 .cse2 .cse6 .cse7 .cse8 .cse4 .cse9) (and .cse1 .cse5 .cse10 .cse2 .cse6 .cse12 .cse7 .cse13 .cse4 .cse14 .cse9))) [2021-01-06 19:13:01,872 INFO L185 CegarLoopUtils]: At program point L785-1(lines 785 791) the Hoare annotation is: false [2021-01-06 19:13:01,872 INFO L185 CegarLoopUtils]: At program point L785-2(lines 785 791) the Hoare annotation is: false [2021-01-06 19:13:01,872 INFO L185 CegarLoopUtils]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:01,872 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:13:01,872 INFO L189 CegarLoopUtils]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-01-06 19:13:01,872 INFO L185 CegarLoopUtils]: At program point L722-1(lines 722 728) the Hoare annotation is: (let ((.cse20 (= ~waterLevel~0 1)) (.cse16 (= ~pumpRunning~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse19 (<= 2 ~waterLevel~0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse18 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (let ((.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (or (and .cse20 .cse16 .cse7 .cse9 .cse18) (and .cse16 .cse7 .cse19 .cse9 .cse18))) (.cse6 (<= ~waterLevel~0 2)) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse13 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse17 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse15 (<= ~waterLevel~0 1)) (.cse12 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse11 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse8 .cse9 .cse6) (and .cse10 .cse7 .cse11 .cse12 .cse13 .cse14 .cse8 .cse9 .cse6) (and .cse0 .cse15 .cse1 .cse2 .cse3 .cse7 .cse16 .cse4 .cse17 .cse9 .cse18) (and .cse7 .cse11 .cse19 .cse8 .cse9 .cse6) (and .cse20 .cse11 .cse7 .cse8 .cse9) (and .cse10 .cse3 .cse11 .cse4 .cse14 .cse5 .cse6) (and .cse10 .cse3 .cse7 .cse16 .cse13 .cse4 .cse14 .cse17 .cse9 .cse18 .cse15 .cse12 .cse11)))) [2021-01-06 19:13:01,873 INFO L189 CegarLoopUtils]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-01-06 19:13:01,873 INFO L189 CegarLoopUtils]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2021-01-06 19:13:01,873 INFO L189 CegarLoopUtils]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2021-01-06 19:13:01,873 INFO L185 CegarLoopUtils]: At program point L889(lines 884 892) the Hoare annotation is: (and (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2)) [2021-01-06 19:13:01,873 INFO L185 CegarLoopUtils]: At program point L889-1(lines 884 892) the Hoare annotation is: false [2021-01-06 19:13:01,873 INFO L185 CegarLoopUtils]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2021-01-06 19:13:01,873 INFO L189 CegarLoopUtils]: For program point L427(lines 427 440) no Hoare annotation was computed. [2021-01-06 19:13:01,874 INFO L185 CegarLoopUtils]: At program point L427-1(lines 1 974) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse11 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse4 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse15 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse17 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse18 (<= 2 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse19 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse20 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse10 .cse14 .cse15 .cse0 .cse2 .cse3 .cse5 .cse7 .cse8 .cse9) (and .cse13 .cse10 .cse14 .cse15 .cse3 .cse16 .cse8) (and .cse1 .cse0 .cse3 .cse2 .cse17 .cse5 .cse18 .cse6 .cse8 .cse9 .cse19 .cse12 .cse20) (and .cse10 .cse1 .cse3 .cse12 .cse11 .cse4 .cse6 .cse16 .cse8) (and (= ~waterLevel~0 1) .cse12 .cse3 .cse16 .cse8) (and .cse14 .cse15 .cse0 .cse3 .cse2 .cse17 .cse5 .cse18 .cse8 .cse9 .cse13 .cse19 .cse20))) [2021-01-06 19:13:01,874 INFO L189 CegarLoopUtils]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2021-01-06 19:13:01,874 INFO L185 CegarLoopUtils]: At program point L427-3(lines 1 974) the Hoare annotation is: false [2021-01-06 19:13:01,874 INFO L189 CegarLoopUtils]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2021-01-06 19:13:01,874 INFO L185 CegarLoopUtils]: At program point L427-5(lines 1 974) the Hoare annotation is: false [2021-01-06 19:13:01,875 INFO L185 CegarLoopUtils]: At program point L527(lines 522 530) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse4 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_processEnvironment_~tmp~7 0) .cse9 .cse10) (and .cse0 .cse1 .cse4 .cse3 .cse6 .cse8 (= ~pumpRunning~0 0) .cse9) (and .cse1 .cse2 .cse5 .cse6 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse7 (<= 2 ~waterLevel~0) .cse8 .cse9 .cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse4 (<= ~waterLevel~0 2)))) [2021-01-06 19:13:01,875 INFO L185 CegarLoopUtils]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2021-01-06 19:13:01,875 INFO L185 CegarLoopUtils]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2021-01-06 19:13:01,875 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:13:01,875 INFO L189 CegarLoopUtils]: For program point L957(lines 957 961) no Hoare annotation was computed. [2021-01-06 19:13:01,875 INFO L189 CegarLoopUtils]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2021-01-06 19:13:01,875 INFO L189 CegarLoopUtils]: For program point L957-3(lines 957 961) no Hoare annotation was computed. [2021-01-06 19:13:01,875 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-01-06 19:13:01,876 INFO L189 CegarLoopUtils]: For program point L957-5(lines 957 961) no Hoare annotation was computed. [2021-01-06 19:13:01,876 INFO L189 CegarLoopUtils]: For program point L957-6(lines 957 961) no Hoare annotation was computed. [2021-01-06 19:13:01,876 INFO L189 CegarLoopUtils]: For program point L957-8(lines 957 961) no Hoare annotation was computed. [2021-01-06 19:13:01,876 INFO L185 CegarLoopUtils]: At program point L495(lines 490 498) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= ~pumpRunning~0 1)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (<= 2 ~waterLevel~0)) (.cse15 (<= ~waterLevel~0 2)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse1 .cse12 .cse3 .cse2 .cse13 .cse5 .cse14 .cse8 .cse15 .cse9) (and .cse0 .cse10 .cse11 .cse1 .cse2 .cse3 .cse5 .cse7 .cse8 .cse9) (and .cse1 .cse12 .cse3 .cse2 .cse4 .cse13 .cse5 .cse14 .cse6 .cse8 .cse15 .cse9) (and .cse0 .cse10 .cse11 .cse3 .cse16 .cse8) (and .cse0 .cse3 .cse4 .cse6 .cse16 .cse8))) [2021-01-06 19:13:01,876 INFO L185 CegarLoopUtils]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2021-01-06 19:13:01,876 INFO L185 CegarLoopUtils]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2021-01-06 19:13:01,877 INFO L185 CegarLoopUtils]: At program point L760(lines 711 761) the Hoare annotation is: false [2021-01-06 19:13:01,877 INFO L189 CegarLoopUtils]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-01-06 19:13:01,877 INFO L189 CegarLoopUtils]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2021-01-06 19:13:01,877 INFO L189 CegarLoopUtils]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2021-01-06 19:13:01,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:13:01 BoogieIcfgContainer [2021-01-06 19:13:01,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:13:01,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:13:01,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:13:01,927 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:13:01,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:46" (3/4) ... [2021-01-06 19:13:01,930 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:13:01,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:13:01,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:13:01,954 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:13:01,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:13:01,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:13:01,957 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:13:01,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:13:01,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((tmp___0 == 1 && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) || ((((((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) [2021-01-06 19:13:01,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && tmp___0 == 1) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((((((tmp == 0 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp___0 <= 1) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) [2021-01-06 19:13:01,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0) [2021-01-06 19:13:01,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0) [2021-01-06 19:13:01,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) [2021-01-06 19:13:01,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((tmp___0 == 1 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) [2021-01-06 19:13:01,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 0) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || (((((((((((tmp___0 == 1 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:01,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) [2021-01-06 19:13:01,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:13:01,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && \result <= 1) && methaneLevelCritical == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) [2021-01-06 19:13:01,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) [2021-01-06 19:13:01,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp___0 == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 0) && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((tmp___0 == 1 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) [2021-01-06 19:13:01,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2 [2021-01-06 19:13:02,077 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product50.cil.c-witness.graphml [2021-01-06 19:13:02,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:13:02,078 INFO L168 Benchmark]: Toolchain (without parser) took 17425.46 ms. Allocated memory was 170.9 MB in the beginning and 357.6 MB in the end (delta: 186.6 MB). Free memory was 145.6 MB in the beginning and 252.7 MB in the end (delta: -107.1 MB). Peak memory consumption was 80.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:02,079 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 170.9 MB. Free memory is still 145.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:13:02,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.18 ms. Allocated memory is still 170.9 MB. Free memory was 145.3 MB in the beginning and 123.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:02,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.40 ms. Allocated memory is still 170.9 MB. Free memory was 123.3 MB in the beginning and 119.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:02,080 INFO L168 Benchmark]: Boogie Preprocessor took 80.64 ms. Allocated memory is still 170.9 MB. Free memory was 119.5 MB in the beginning and 116.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:02,080 INFO L168 Benchmark]: RCFGBuilder took 1290.96 ms. Allocated memory is still 170.9 MB. Free memory was 116.8 MB in the beginning and 94.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:02,081 INFO L168 Benchmark]: TraceAbstraction took 15019.62 ms. Allocated memory was 170.9 MB in the beginning and 357.6 MB in the end (delta: 186.6 MB). Free memory was 94.0 MB in the beginning and 263.7 MB in the end (delta: -169.7 MB). Peak memory consumption was 159.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:02,081 INFO L168 Benchmark]: Witness Printer took 150.88 ms. Allocated memory is still 357.6 MB. Free memory was 263.7 MB in the beginning and 252.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:02,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 170.9 MB. Free memory is still 145.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 787.18 ms. Allocated memory is still 170.9 MB. Free memory was 145.3 MB in the beginning and 123.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 84.40 ms. Allocated memory is still 170.9 MB. Free memory was 123.3 MB in the beginning and 119.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 80.64 ms. Allocated memory is still 170.9 MB. Free memory was 119.5 MB in the beginning and 116.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1290.96 ms. Allocated memory is still 170.9 MB. Free memory was 116.8 MB in the beginning and 94.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15019.62 ms. Allocated memory was 170.9 MB in the beginning and 357.6 MB in the end (delta: 186.6 MB). Free memory was 94.0 MB in the beginning and 263.7 MB in the end (delta: -169.7 MB). Peak memory consumption was 159.5 MB. Max. memory is 8.0 GB. * Witness Printer took 150.88 ms. Allocated memory is still 357.6 MB. Free memory was 263.7 MB in the beginning and 252.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 696]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 696]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 696]: 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: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((((tmp___0 == 1 && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) || ((((((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && tmp___0 == 1) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((((((tmp == 0 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp___0 <= 1) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 0) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || (((((((((((tmp___0 == 1 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((tmp___0 == 1 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && \result <= 1) && methaneLevelCritical == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp___0 == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 0) && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((tmp___0 == 1 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 15, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1511 SDtfs, 1976 SDslu, 2670 SDs, 0 SdLazy, 356 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1156 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 293 NumberOfFragments, 1781 HoareAnnotationTreeSize, 46 FomulaSimplifications, 2451040 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 46 FomulaSimplificationsInter, 208666 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 660 NumberOfCodeBlocks, 660 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 54035 SizeOfPredicates, 6 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 86/102 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...