/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_spec1_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:17:07,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:17:07,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:17:07,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:17:07,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:17:07,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:17:07,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:17:07,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:17:07,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:17:07,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:17:07,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:17:07,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:17:07,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:17:07,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:17:07,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:17:07,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:17:07,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:17:07,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:17:07,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:17:07,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:17:07,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:17:07,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:17:07,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:17:07,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:17:07,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:17:07,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:17:07,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:17:07,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:17:07,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:17:07,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:17:07,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:17:07,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:17:07,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:17:07,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:17:07,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:17:07,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:17:07,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:17:07,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:17:07,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:17:07,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:17:07,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:17:07,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:17:07,295 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:17:07,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:17:07,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:17:07,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:17:07,300 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:17:07,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:17:07,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:17:07,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:17:07,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:17:07,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:17:07,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:17:07,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:17:07,303 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:17:07,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:17:07,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:17:07,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:17:07,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:17:07,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:17:07,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:17:07,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:17:07,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:17:07,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:17:07,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:17:07,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:17:07,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:17:07,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:17:07,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:17:07,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:17:07,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:17:07,744 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:17:07,744 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:17:07,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2020-12-23 09:17:07,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6cc01e5e8/986d0c3b0ed3434ca47a5608dddf6cb5/FLAG9be39707f [2020-12-23 09:17:08,468 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:17:08,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2020-12-23 09:17:08,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6cc01e5e8/986d0c3b0ed3434ca47a5608dddf6cb5/FLAG9be39707f [2020-12-23 09:17:08,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6cc01e5e8/986d0c3b0ed3434ca47a5608dddf6cb5 [2020-12-23 09:17:08,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:17:08,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:17:08,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:17:08,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:17:08,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:17:08,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:17:08" (1/1) ... [2020-12-23 09:17:08,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76058918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:08, skipping insertion in model container [2020-12-23 09:17:08,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:17:08" (1/1) ... [2020-12-23 09:17:08,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:17:08,848 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~3,] 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~4,] 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~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__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~6,] 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~7,] [2020-12-23 09:17:09,113 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_spec1_product60.cil.c[14245,14258] 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___1~0,] 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[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2020-12-23 09:17:09,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:17:09,169 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~3,] 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~4,] 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~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__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~6,] 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~7,] [2020-12-23 09:17:09,306 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_spec1_product60.cil.c[14245,14258] 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___1~0,] 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[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2020-12-23 09:17:09,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:17:09,365 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:17:09,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09 WrapperNode [2020-12-23 09:17:09,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:17:09,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:17:09,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:17:09,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:17:09,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (1/1) ... [2020-12-23 09:17:09,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (1/1) ... [2020-12-23 09:17:09,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:17:09,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:17:09,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:17:09,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:17:09,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (1/1) ... [2020-12-23 09:17:09,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (1/1) ... [2020-12-23 09:17:09,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (1/1) ... [2020-12-23 09:17:09,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (1/1) ... [2020-12-23 09:17:09,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (1/1) ... [2020-12-23 09:17:09,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (1/1) ... [2020-12-23 09:17:09,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (1/1) ... [2020-12-23 09:17:09,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:17:09,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:17:09,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:17:09,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:17:09,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (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 [2020-12-23 09:17:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:17:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:17:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:17:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:17:10,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:17:10,887 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2020-12-23 09:17:10,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:17:10 BoogieIcfgContainer [2020-12-23 09:17:10,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:17:10,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:17:10,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:17:10,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:17:10,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:17:08" (1/3) ... [2020-12-23 09:17:10,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c9bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:17:10, skipping insertion in model container [2020-12-23 09:17:10,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:17:09" (2/3) ... [2020-12-23 09:17:10,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c9bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:17:10, skipping insertion in model container [2020-12-23 09:17:10,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:17:10" (3/3) ... [2020-12-23 09:17:10,900 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2020-12-23 09:17:10,907 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:17:10,913 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:17:10,934 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:17:10,965 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:17:10,965 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:17:10,965 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:17:10,965 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:17:10,966 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:17:10,966 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:17:10,966 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:17:10,966 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:17:10,987 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-12-23 09:17:10,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 09:17:10,994 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:10,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:10,996 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:11,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:11,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2020-12-23 09:17:11,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:11,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554113149] [2020-12-23 09:17:11,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:11,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554113149] [2020-12-23 09:17:11,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:11,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:17:11,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252313268] [2020-12-23 09:17:11,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:17:11,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:11,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:17:11,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:17:11,420 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2020-12-23 09:17:11,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:11,497 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2020-12-23 09:17:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:17:11,501 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-23 09:17:11,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:11,533 INFO L225 Difference]: With dead ends: 268 [2020-12-23 09:17:11,534 INFO L226 Difference]: Without dead ends: 133 [2020-12-23 09:17:11,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:17:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-12-23 09:17:11,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-12-23 09:17:11,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-12-23 09:17:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-12-23 09:17:11,604 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2020-12-23 09:17:11,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:11,604 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-12-23 09:17:11,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:17:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-12-23 09:17:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 09:17:11,606 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:11,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:11,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:17:11,607 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:11,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:11,608 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2020-12-23 09:17:11,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:11,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750987772] [2020-12-23 09:17:11,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:11,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750987772] [2020-12-23 09:17:11,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:11,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:17:11,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756476104] [2020-12-23 09:17:11,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:17:11,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:11,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:17:11,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:11,720 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-12-23 09:17:11,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:11,746 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-12-23 09:17:11,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:17:11,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-23 09:17:11,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:11,751 INFO L225 Difference]: With dead ends: 133 [2020-12-23 09:17:11,751 INFO L226 Difference]: Without dead ends: 55 [2020-12-23 09:17:11,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:11,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-23 09:17:11,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-23 09:17:11,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-23 09:17:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-12-23 09:17:11,768 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2020-12-23 09:17:11,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:11,769 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-12-23 09:17:11,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:17:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-12-23 09:17:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 09:17:11,772 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:11,772 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] [2020-12-23 09:17:11,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:17:11,773 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:11,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:11,776 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2020-12-23 09:17:11,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:11,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869083704] [2020-12-23 09:17:11,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:11,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869083704] [2020-12-23 09:17:11,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:11,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:17:11,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826391648] [2020-12-23 09:17:11,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:17:11,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:11,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:17:11,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:11,938 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2020-12-23 09:17:11,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:11,978 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2020-12-23 09:17:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:17:11,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-23 09:17:11,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:11,980 INFO L225 Difference]: With dead ends: 153 [2020-12-23 09:17:11,981 INFO L226 Difference]: Without dead ends: 104 [2020-12-23 09:17:11,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:11,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-23 09:17:12,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2020-12-23 09:17:12,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-12-23 09:17:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2020-12-23 09:17:12,007 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2020-12-23 09:17:12,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:12,008 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2020-12-23 09:17:12,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:17:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2020-12-23 09:17:12,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 09:17:12,009 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:12,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:12,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:17:12,011 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:12,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:12,011 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2020-12-23 09:17:12,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:12,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40474353] [2020-12-23 09:17:12,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:12,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40474353] [2020-12-23 09:17:12,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:12,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:17:12,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728923575] [2020-12-23 09:17:12,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:17:12,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:12,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:17:12,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:12,162 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2020-12-23 09:17:12,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:12,205 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2020-12-23 09:17:12,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:17:12,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-23 09:17:12,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:12,208 INFO L225 Difference]: With dead ends: 235 [2020-12-23 09:17:12,208 INFO L226 Difference]: Without dead ends: 141 [2020-12-23 09:17:12,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:12,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-12-23 09:17:12,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2020-12-23 09:17:12,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-12-23 09:17:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2020-12-23 09:17:12,226 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2020-12-23 09:17:12,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:12,226 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2020-12-23 09:17:12,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:17:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2020-12-23 09:17:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 09:17:12,227 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:12,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:12,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:17:12,228 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:12,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:12,228 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2020-12-23 09:17:12,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:12,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330208923] [2020-12-23 09:17:12,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:12,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330208923] [2020-12-23 09:17:12,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:12,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:17:12,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355576852] [2020-12-23 09:17:12,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:17:12,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:12,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:17:12,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:17:12,314 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2020-12-23 09:17:12,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:12,491 INFO L93 Difference]: Finished difference Result 747 states and 1098 transitions. [2020-12-23 09:17:12,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 09:17:12,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-23 09:17:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:12,496 INFO L225 Difference]: With dead ends: 747 [2020-12-23 09:17:12,496 INFO L226 Difference]: Without dead ends: 614 [2020-12-23 09:17:12,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:17:12,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2020-12-23 09:17:12,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 262. [2020-12-23 09:17:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-12-23 09:17:12,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 375 transitions. [2020-12-23 09:17:12,537 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 375 transitions. Word has length 25 [2020-12-23 09:17:12,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:12,538 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 375 transitions. [2020-12-23 09:17:12,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:17:12,538 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 375 transitions. [2020-12-23 09:17:12,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:17:12,539 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:12,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:12,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:17:12,540 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:12,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:12,541 INFO L82 PathProgramCache]: Analyzing trace with hash 176152288, now seen corresponding path program 1 times [2020-12-23 09:17:12,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:12,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796489188] [2020-12-23 09:17:12,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:12,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796489188] [2020-12-23 09:17:12,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:12,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:17:12,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752451751] [2020-12-23 09:17:12,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:17:12,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:12,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:17:12,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:17:12,639 INFO L87 Difference]: Start difference. First operand 262 states and 375 transitions. Second operand 5 states. [2020-12-23 09:17:12,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:12,799 INFO L93 Difference]: Finished difference Result 768 states and 1102 transitions. [2020-12-23 09:17:12,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:17:12,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-23 09:17:12,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:12,804 INFO L225 Difference]: With dead ends: 768 [2020-12-23 09:17:12,804 INFO L226 Difference]: Without dead ends: 766 [2020-12-23 09:17:12,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:17:12,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-12-23 09:17:12,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 262. [2020-12-23 09:17:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-12-23 09:17:12,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2020-12-23 09:17:12,837 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 26 [2020-12-23 09:17:12,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:12,838 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2020-12-23 09:17:12,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:17:12,838 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2020-12-23 09:17:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:17:12,840 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:12,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:12,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:17:12,840 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:12,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:12,841 INFO L82 PathProgramCache]: Analyzing trace with hash -531386443, now seen corresponding path program 1 times [2020-12-23 09:17:12,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:12,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761190728] [2020-12-23 09:17:12,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:12,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761190728] [2020-12-23 09:17:12,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:12,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:17:12,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869524862] [2020-12-23 09:17:12,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:17:12,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:12,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:17:12,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:17:12,916 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand 5 states. [2020-12-23 09:17:13,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:13,013 INFO L93 Difference]: Finished difference Result 698 states and 980 transitions. [2020-12-23 09:17:13,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:17:13,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 09:17:13,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:13,016 INFO L225 Difference]: With dead ends: 698 [2020-12-23 09:17:13,017 INFO L226 Difference]: Without dead ends: 442 [2020-12-23 09:17:13,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:17:13,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-12-23 09:17:13,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 286. [2020-12-23 09:17:13,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-12-23 09:17:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 397 transitions. [2020-12-23 09:17:13,050 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 397 transitions. Word has length 34 [2020-12-23 09:17:13,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:13,051 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 397 transitions. [2020-12-23 09:17:13,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:17:13,051 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 397 transitions. [2020-12-23 09:17:13,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:17:13,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:13,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:13,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:17:13,053 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:13,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:13,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1118192457, now seen corresponding path program 1 times [2020-12-23 09:17:13,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:13,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160984237] [2020-12-23 09:17:13,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:13,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:13,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160984237] [2020-12-23 09:17:13,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:13,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:17:13,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229714730] [2020-12-23 09:17:13,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:17:13,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:13,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:17:13,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:17:13,115 INFO L87 Difference]: Start difference. First operand 286 states and 397 transitions. Second operand 4 states. [2020-12-23 09:17:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:13,189 INFO L93 Difference]: Finished difference Result 686 states and 942 transitions. [2020-12-23 09:17:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:17:13,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-23 09:17:13,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:13,193 INFO L225 Difference]: With dead ends: 686 [2020-12-23 09:17:13,193 INFO L226 Difference]: Without dead ends: 406 [2020-12-23 09:17:13,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:17:13,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-12-23 09:17:13,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 302. [2020-12-23 09:17:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-12-23 09:17:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 413 transitions. [2020-12-23 09:17:13,243 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 413 transitions. Word has length 34 [2020-12-23 09:17:13,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:13,243 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 413 transitions. [2020-12-23 09:17:13,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:17:13,243 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 413 transitions. [2020-12-23 09:17:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:17:13,244 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:13,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:13,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:17:13,245 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:13,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:13,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1896911161, now seen corresponding path program 1 times [2020-12-23 09:17:13,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:13,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827981699] [2020-12-23 09:17:13,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:13,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827981699] [2020-12-23 09:17:13,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:13,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:17:13,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407178441] [2020-12-23 09:17:13,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:17:13,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:13,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:17:13,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:13,319 INFO L87 Difference]: Start difference. First operand 302 states and 413 transitions. Second operand 3 states. [2020-12-23 09:17:13,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:13,376 INFO L93 Difference]: Finished difference Result 702 states and 954 transitions. [2020-12-23 09:17:13,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:17:13,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-23 09:17:13,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:13,379 INFO L225 Difference]: With dead ends: 702 [2020-12-23 09:17:13,379 INFO L226 Difference]: Without dead ends: 406 [2020-12-23 09:17:13,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:13,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-12-23 09:17:13,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2020-12-23 09:17:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-12-23 09:17:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 539 transitions. [2020-12-23 09:17:13,420 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 539 transitions. Word has length 34 [2020-12-23 09:17:13,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:13,420 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 539 transitions. [2020-12-23 09:17:13,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:17:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 539 transitions. [2020-12-23 09:17:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 09:17:13,421 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:13,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:13,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:17:13,422 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:13,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:13,423 INFO L82 PathProgramCache]: Analyzing trace with hash -881620425, now seen corresponding path program 1 times [2020-12-23 09:17:13,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:13,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816079450] [2020-12-23 09:17:13,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:13,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816079450] [2020-12-23 09:17:13,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:13,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:17:13,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377943049] [2020-12-23 09:17:13,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:17:13,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:13,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:17:13,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:17:13,543 INFO L87 Difference]: Start difference. First operand 406 states and 539 transitions. Second operand 8 states. [2020-12-23 09:17:14,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:14,254 INFO L93 Difference]: Finished difference Result 1710 states and 2249 transitions. [2020-12-23 09:17:14,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 09:17:14,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-12-23 09:17:14,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:14,269 INFO L225 Difference]: With dead ends: 1710 [2020-12-23 09:17:14,269 INFO L226 Difference]: Without dead ends: 1310 [2020-12-23 09:17:14,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2020-12-23 09:17:14,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-12-23 09:17:14,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 406. [2020-12-23 09:17:14,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-12-23 09:17:14,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 529 transitions. [2020-12-23 09:17:14,325 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 529 transitions. Word has length 35 [2020-12-23 09:17:14,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:14,328 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 529 transitions. [2020-12-23 09:17:14,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:17:14,328 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 529 transitions. [2020-12-23 09:17:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 09:17:14,329 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:14,330 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-12-23 09:17:14,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:17:14,331 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:14,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:14,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1725515931, now seen corresponding path program 1 times [2020-12-23 09:17:14,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:14,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101443791] [2020-12-23 09:17:14,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 09:17:14,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101443791] [2020-12-23 09:17:14,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:14,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:17:14,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943733689] [2020-12-23 09:17:14,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:17:14,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:14,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:17:14,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:14,391 INFO L87 Difference]: Start difference. First operand 406 states and 529 transitions. Second operand 3 states. [2020-12-23 09:17:14,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:14,552 INFO L93 Difference]: Finished difference Result 688 states and 894 transitions. [2020-12-23 09:17:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:17:14,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-23 09:17:14,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:14,554 INFO L225 Difference]: With dead ends: 688 [2020-12-23 09:17:14,555 INFO L226 Difference]: Without dead ends: 288 [2020-12-23 09:17:14,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:14,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-12-23 09:17:14,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2020-12-23 09:17:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-12-23 09:17:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 359 transitions. [2020-12-23 09:17:14,595 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 359 transitions. Word has length 53 [2020-12-23 09:17:14,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:14,596 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 359 transitions. [2020-12-23 09:17:14,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:17:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2020-12-23 09:17:14,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 09:17:14,597 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:14,597 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, 1, 1] [2020-12-23 09:17:14,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:17:14,599 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:14,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:14,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1734965659, now seen corresponding path program 1 times [2020-12-23 09:17:14,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:14,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408480144] [2020-12-23 09:17:14,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:17:14,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408480144] [2020-12-23 09:17:14,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:14,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:17:14,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448237970] [2020-12-23 09:17:14,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:17:14,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:14,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:17:14,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:17:14,731 INFO L87 Difference]: Start difference. First operand 280 states and 359 transitions. Second operand 6 states. [2020-12-23 09:17:15,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:15,161 INFO L93 Difference]: Finished difference Result 1458 states and 1910 transitions. [2020-12-23 09:17:15,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 09:17:15,162 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-12-23 09:17:15,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:15,169 INFO L225 Difference]: With dead ends: 1458 [2020-12-23 09:17:15,170 INFO L226 Difference]: Without dead ends: 1272 [2020-12-23 09:17:15,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-12-23 09:17:15,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2020-12-23 09:17:15,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 548. [2020-12-23 09:17:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-12-23 09:17:15,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 704 transitions. [2020-12-23 09:17:15,249 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 704 transitions. Word has length 56 [2020-12-23 09:17:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:15,249 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 704 transitions. [2020-12-23 09:17:15,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:17:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 704 transitions. [2020-12-23 09:17:15,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 09:17:15,251 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:15,251 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, 1, 1] [2020-12-23 09:17:15,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:17:15,251 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:15,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:15,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1033901081, now seen corresponding path program 1 times [2020-12-23 09:17:15,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:15,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138863569] [2020-12-23 09:17:15,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 09:17:15,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138863569] [2020-12-23 09:17:15,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:15,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:17:15,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080575751] [2020-12-23 09:17:15,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:17:15,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:15,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:17:15,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:17:15,314 INFO L87 Difference]: Start difference. First operand 548 states and 704 transitions. Second operand 5 states. [2020-12-23 09:17:15,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:15,458 INFO L93 Difference]: Finished difference Result 1114 states and 1427 transitions. [2020-12-23 09:17:15,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:17:15,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-12-23 09:17:15,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:15,459 INFO L225 Difference]: With dead ends: 1114 [2020-12-23 09:17:15,459 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:17:15,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:17:15,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:17:15,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:17:15,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:17:15,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:17:15,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-12-23 09:17:15,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:15,462 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:17:15,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:17:15,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:17:15,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:17:15,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:17:15,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:17:16,282 WARN L197 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 203 [2020-12-23 09:17:16,695 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 150 [2020-12-23 09:17:16,915 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 116 [2020-12-23 09:17:17,437 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 148 [2020-12-23 09:17:17,710 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 123 [2020-12-23 09:17:17,986 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 142 [2020-12-23 09:17:18,131 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2020-12-23 09:17:18,734 WARN L197 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 203 [2020-12-23 09:17:19,275 WARN L197 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 190 [2020-12-23 09:17:19,815 WARN L197 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 194 [2020-12-23 09:17:21,177 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 200 DAG size of output: 23 [2020-12-23 09:17:22,207 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 146 DAG size of output: 31 [2020-12-23 09:17:22,757 WARN L197 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 28 [2020-12-23 09:17:23,141 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 22 [2020-12-23 09:17:23,412 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-12-23 09:17:24,353 WARN L197 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 31 [2020-12-23 09:17:25,108 WARN L197 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2020-12-23 09:17:26,230 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 141 DAG size of output: 31 [2020-12-23 09:17:26,394 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 20 [2020-12-23 09:17:26,758 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2020-12-23 09:17:26,890 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 23 [2020-12-23 09:17:28,406 WARN L197 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 200 DAG size of output: 30 [2020-12-23 09:17:29,861 WARN L197 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 189 DAG size of output: 29 [2020-12-23 09:17:31,274 WARN L197 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 30 [2020-12-23 09:17:31,284 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L796(lines 796 813) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L796-1(lines 796 813) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L796-2(lines 796 813) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-12-23 09:17:31,285 INFO L189 CegarLoopUtils]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2020-12-23 09:17:31,286 INFO L189 CegarLoopUtils]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-12-23 09:17:31,286 INFO L189 CegarLoopUtils]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2020-12-23 09:17:31,286 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-23 09:17:31,286 INFO L189 CegarLoopUtils]: For program point L700(lines 700 715) no Hoare annotation was computed. [2020-12-23 09:17:31,286 INFO L189 CegarLoopUtils]: For program point L833(lines 833 839) no Hoare annotation was computed. [2020-12-23 09:17:31,286 INFO L189 CegarLoopUtils]: For program point L800(lines 800 808) no Hoare annotation was computed. [2020-12-23 09:17:31,287 INFO L189 CegarLoopUtils]: For program point L833-2(lines 833 839) no Hoare annotation was computed. [2020-12-23 09:17:31,287 INFO L189 CegarLoopUtils]: For program point L800-1(lines 800 808) no Hoare annotation was computed. [2020-12-23 09:17:31,287 INFO L189 CegarLoopUtils]: For program point L800-2(lines 800 808) no Hoare annotation was computed. [2020-12-23 09:17:31,287 INFO L189 CegarLoopUtils]: For program point L833-4(lines 833 839) no Hoare annotation was computed. [2020-12-23 09:17:31,287 INFO L189 CegarLoopUtils]: For program point L833-6(lines 833 839) no Hoare annotation was computed. [2020-12-23 09:17:31,287 INFO L189 CegarLoopUtils]: For program point L833-8(lines 833 839) no Hoare annotation was computed. [2020-12-23 09:17:31,287 INFO L189 CegarLoopUtils]: For program point L833-10(lines 833 839) no Hoare annotation was computed. [2020-12-23 09:17:31,287 INFO L185 CegarLoopUtils]: At program point L999(lines 994 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-23 09:17:31,288 INFO L185 CegarLoopUtils]: At program point L867(lines 862 870) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= 1 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:17:31,288 INFO L185 CegarLoopUtils]: At program point L867-1(lines 862 870) the Hoare annotation is: false [2020-12-23 09:17:31,288 INFO L185 CegarLoopUtils]: At program point L867-2(lines 862 870) the Hoare annotation is: false [2020-12-23 09:17:31,288 INFO L185 CegarLoopUtils]: At program point L240(lines 231 244) the Hoare annotation is: false [2020-12-23 09:17:31,288 INFO L185 CegarLoopUtils]: At program point L240-1(lines 231 244) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse7) (and .cse1 .cse5 .cse3 .cse4 .cse6 .cse7))) [2020-12-23 09:17:31,288 INFO L185 CegarLoopUtils]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2020-12-23 09:17:31,289 INFO L185 CegarLoopUtils]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2020-12-23 09:17:31,289 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-23 09:17:31,289 INFO L185 CegarLoopUtils]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2020-12-23 09:17:31,289 INFO L185 CegarLoopUtils]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2020-12-23 09:17:31,289 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2020-12-23 09:17:31,289 INFO L189 CegarLoopUtils]: For program point L935(lines 935 939) no Hoare annotation was computed. [2020-12-23 09:17:31,289 INFO L189 CegarLoopUtils]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2020-12-23 09:17:31,289 INFO L189 CegarLoopUtils]: For program point L935-3(lines 935 939) no Hoare annotation was computed. [2020-12-23 09:17:31,289 INFO L189 CegarLoopUtils]: For program point L770(lines 770 787) no Hoare annotation was computed. [2020-12-23 09:17:31,290 INFO L189 CegarLoopUtils]: For program point L935-5(lines 935 939) no Hoare annotation was computed. [2020-12-23 09:17:31,290 INFO L189 CegarLoopUtils]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2020-12-23 09:17:31,290 INFO L189 CegarLoopUtils]: For program point L935-6(lines 935 939) no Hoare annotation was computed. [2020-12-23 09:17:31,290 INFO L189 CegarLoopUtils]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2020-12-23 09:17:31,290 INFO L189 CegarLoopUtils]: For program point L671(lines 670 719) no Hoare annotation was computed. [2020-12-23 09:17:31,290 INFO L189 CegarLoopUtils]: For program point L770-3(lines 770 787) no Hoare annotation was computed. [2020-12-23 09:17:31,290 INFO L189 CegarLoopUtils]: For program point L935-8(lines 935 939) no Hoare annotation was computed. [2020-12-23 09:17:31,290 INFO L189 CegarLoopUtils]: For program point L770-4(lines 770 787) no Hoare annotation was computed. [2020-12-23 09:17:31,291 INFO L189 CegarLoopUtils]: For program point L770-5(lines 770 787) no Hoare annotation was computed. [2020-12-23 09:17:31,291 INFO L185 CegarLoopUtils]: At program point L738(lines 737 756) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3))) [2020-12-23 09:17:31,291 INFO L189 CegarLoopUtils]: For program point L738-1(lines 738 744) no Hoare annotation was computed. [2020-12-23 09:17:31,291 INFO L189 CegarLoopUtils]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-12-23 09:17:31,291 INFO L185 CegarLoopUtils]: At program point L738-2(lines 737 756) the Hoare annotation is: false [2020-12-23 09:17:31,291 INFO L185 CegarLoopUtils]: At program point L738-3(lines 737 756) the Hoare annotation is: false [2020-12-23 09:17:31,291 INFO L189 CegarLoopUtils]: For program point L774(lines 774 782) no Hoare annotation was computed. [2020-12-23 09:17:31,291 INFO L189 CegarLoopUtils]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2020-12-23 09:17:31,291 INFO L189 CegarLoopUtils]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-12-23 09:17:31,292 INFO L189 CegarLoopUtils]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2020-12-23 09:17:31,292 INFO L185 CegarLoopUtils]: At program point L708-1(lines 738 744) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse7 .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:17:31,292 INFO L189 CegarLoopUtils]: For program point L774-3(lines 774 782) no Hoare annotation was computed. [2020-12-23 09:17:31,292 INFO L189 CegarLoopUtils]: For program point L774-4(lines 774 782) no Hoare annotation was computed. [2020-12-23 09:17:31,292 INFO L189 CegarLoopUtils]: For program point L774-5(lines 774 782) no Hoare annotation was computed. [2020-12-23 09:17:31,292 INFO L185 CegarLoopUtils]: At program point L941(lines 926 944) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1)) (.cse1 (<= ULTIMATE.start_isLowWaterLevel_~tmp~10 0)) (.cse2 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~10 1))) (.cse3 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse4 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse6 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 0) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse6 .cse5 .cse7 .cse8))) [2020-12-23 09:17:31,292 INFO L185 CegarLoopUtils]: At program point L941-1(lines 926 944) the Hoare annotation is: false [2020-12-23 09:17:31,293 INFO L185 CegarLoopUtils]: At program point L941-2(lines 926 944) the Hoare annotation is: false [2020-12-23 09:17:31,293 INFO L189 CegarLoopUtils]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-12-23 09:17:31,293 INFO L185 CegarLoopUtils]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:17:31,293 INFO L185 CegarLoopUtils]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2020-12-23 09:17:31,293 INFO L185 CegarLoopUtils]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2020-12-23 09:17:31,293 INFO L185 CegarLoopUtils]: At program point L250(lines 245 253) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse2 .cse1 .cse3 .cse4))) [2020-12-23 09:17:31,293 INFO L185 CegarLoopUtils]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2020-12-23 09:17:31,294 INFO L185 CegarLoopUtils]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2020-12-23 09:17:31,294 INFO L189 CegarLoopUtils]: For program point L680(lines 680 686) no Hoare annotation was computed. [2020-12-23 09:17:31,294 INFO L185 CegarLoopUtils]: At program point L680-1(lines 680 686) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (not .cse8)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse8 .cse3 .cse4 .cse5) (and .cse9 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse9 .cse7 (<= 2 ~waterLevel~0) .cse8 .cse4)))) [2020-12-23 09:17:31,294 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:17:31,294 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-23 09:17:31,294 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-23 09:17:31,294 INFO L189 CegarLoopUtils]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-12-23 09:17:31,294 INFO L185 CegarLoopUtils]: At program point L949-1(lines 949 955) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2020-12-23 09:17:31,294 INFO L189 CegarLoopUtils]: For program point L916(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,295 INFO L189 CegarLoopUtils]: For program point L916-2(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,295 INFO L189 CegarLoopUtils]: For program point L916-3(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,295 INFO L189 CegarLoopUtils]: For program point L916-5(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,295 INFO L189 CegarLoopUtils]: For program point L916-6(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,295 INFO L189 CegarLoopUtils]: For program point L916-8(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,298 INFO L189 CegarLoopUtils]: For program point L916-9(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,298 INFO L189 CegarLoopUtils]: For program point L916-11(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,298 INFO L189 CegarLoopUtils]: For program point L916-12(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,298 INFO L189 CegarLoopUtils]: For program point L916-14(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,298 INFO L189 CegarLoopUtils]: For program point L916-15(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,298 INFO L189 CegarLoopUtils]: For program point L916-17(lines 916 920) no Hoare annotation was computed. [2020-12-23 09:17:31,298 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:17:31,299 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-23 09:17:31,299 INFO L189 CegarLoopUtils]: For program point L58-1(lines 738 744) no Hoare annotation was computed. [2020-12-23 09:17:31,299 INFO L189 CegarLoopUtils]: For program point L653(line 653) no Hoare annotation was computed. [2020-12-23 09:17:31,299 INFO L189 CegarLoopUtils]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-12-23 09:17:31,299 INFO L189 CegarLoopUtils]: For program point L653-2(line 653) no Hoare annotation was computed. [2020-12-23 09:17:31,299 INFO L189 CegarLoopUtils]: For program point L158(lines 158 162) no Hoare annotation was computed. [2020-12-23 09:17:31,299 INFO L189 CegarLoopUtils]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2020-12-23 09:17:31,299 INFO L189 CegarLoopUtils]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2020-12-23 09:17:31,299 INFO L185 CegarLoopUtils]: At program point L720(lines 669 721) the Hoare annotation is: false [2020-12-23 09:17:31,299 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:17:31,299 INFO L189 CegarLoopUtils]: For program point L690(lines 690 696) no Hoare annotation was computed. [2020-12-23 09:17:31,300 INFO L185 CegarLoopUtils]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse3) (and .cse7 .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse3) (and .cse7 .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:17:31,300 INFO L185 CegarLoopUtils]: At program point L195(lines 190 198) the Hoare annotation is: false [2020-12-23 09:17:31,300 INFO L185 CegarLoopUtils]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 (not .cse1) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:17:31,300 INFO L185 CegarLoopUtils]: At program point L195-2(lines 190 198) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= 0 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (not .cse2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse8 .cse3 .cse4 .cse5)))) [2020-12-23 09:17:31,300 INFO L185 CegarLoopUtils]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2020-12-23 09:17:31,300 INFO L185 CegarLoopUtils]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2020-12-23 09:17:31,300 INFO L185 CegarLoopUtils]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2020-12-23 09:17:31,301 INFO L185 CegarLoopUtils]: At program point L195-6(lines 190 198) the Hoare annotation is: false [2020-12-23 09:17:31,301 INFO L185 CegarLoopUtils]: At program point L195-7(lines 190 198) the Hoare annotation is: false [2020-12-23 09:17:31,301 INFO L185 CegarLoopUtils]: At program point L195-8(lines 190 198) the Hoare annotation is: false [2020-12-23 09:17:31,301 INFO L185 CegarLoopUtils]: At program point L922(lines 907 925) the Hoare annotation is: false [2020-12-23 09:17:31,301 INFO L185 CegarLoopUtils]: At program point L922-1(lines 907 925) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse3 .cse4 .cse8) (and .cse6 .cse1 .cse5 .cse7 .cse3 .cse4 .cse8))) [2020-12-23 09:17:31,301 INFO L185 CegarLoopUtils]: At program point L922-2(lines 907 925) the Hoare annotation is: false [2020-12-23 09:17:31,301 INFO L185 CegarLoopUtils]: At program point L922-3(lines 907 925) the Hoare annotation is: false [2020-12-23 09:17:31,301 INFO L185 CegarLoopUtils]: At program point L922-4(lines 907 925) the Hoare annotation is: false [2020-12-23 09:17:31,301 INFO L185 CegarLoopUtils]: At program point L922-5(lines 907 925) the Hoare annotation is: false [2020-12-23 09:17:31,302 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:17:31,302 INFO L185 CegarLoopUtils]: At program point L858(lines 851 861) the Hoare annotation is: false [2020-12-23 09:17:31,302 INFO L185 CegarLoopUtils]: At program point L858-1(lines 851 861) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 (not .cse1) .cse2 .cse3 .cse4 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0))))) [2020-12-23 09:17:31,302 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2020-12-23 09:17:31,302 INFO L185 CegarLoopUtils]: At program point L858-2(lines 851 861) the Hoare annotation is: false [2020-12-23 09:17:31,302 INFO L185 CegarLoopUtils]: At program point L858-3(lines 851 861) the Hoare annotation is: false [2020-12-23 09:17:31,302 INFO L185 CegarLoopUtils]: At program point L858-4(lines 851 861) the Hoare annotation is: false [2020-12-23 09:17:31,302 INFO L185 CegarLoopUtils]: At program point L858-5(lines 851 861) the Hoare annotation is: false [2020-12-23 09:17:31,302 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-23 09:17:31,302 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-23 09:17:31,303 INFO L185 CegarLoopUtils]: At program point L991(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-23 09:17:31,303 INFO L189 CegarLoopUtils]: For program point L265(lines 265 278) no Hoare annotation was computed. [2020-12-23 09:17:31,303 INFO L185 CegarLoopUtils]: At program point L265-1(lines 1 1002) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (not .cse8)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse8 .cse3 .cse4 .cse5) (and .cse9 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse9 .cse7 (<= 2 ~waterLevel~0) .cse8 .cse4)))) [2020-12-23 09:17:31,303 INFO L189 CegarLoopUtils]: For program point L265-2(lines 265 278) no Hoare annotation was computed. [2020-12-23 09:17:31,303 INFO L185 CegarLoopUtils]: At program point L265-3(lines 1 1002) the Hoare annotation is: false [2020-12-23 09:17:31,303 INFO L189 CegarLoopUtils]: For program point L265-4(lines 265 278) no Hoare annotation was computed. [2020-12-23 09:17:31,303 INFO L185 CegarLoopUtils]: At program point L265-5(lines 1 1002) the Hoare annotation is: false [2020-12-23 09:17:31,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:17:31 BoogieIcfgContainer [2020-12-23 09:17:31,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:17:31,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:17:31,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:17:31,352 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:17:31,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:17:10" (3/4) ... [2020-12-23 09:17:31,356 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:17:31,387 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:17:31,388 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:17:31,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:17:31,391 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:17:31,392 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:17:31,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:17:31,394 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:17:31,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2020-12-23 09:17:31,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2020-12-23 09:17:31,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:17:31,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:17:31,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-23 09:17:31,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:17:31,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:17:31,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:17:31,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:17:31,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) [2020-12-23 09:17:31,551 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product60.cil.c-witness.graphml [2020-12-23 09:17:31,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:17:31,552 INFO L168 Benchmark]: Toolchain (without parser) took 22794.43 ms. Allocated memory was 151.0 MB in the beginning and 406.8 MB in the end (delta: 255.9 MB). Free memory was 125.7 MB in the beginning and 196.1 MB in the end (delta: -70.4 MB). Peak memory consumption was 185.9 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:31,552 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 202.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:17:31,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.81 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 102.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:31,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.21 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 132.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:31,553 INFO L168 Benchmark]: Boogie Preprocessor took 93.87 ms. Allocated memory is still 151.0 MB. Free memory was 132.8 MB in the beginning and 129.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:31,554 INFO L168 Benchmark]: RCFGBuilder took 1267.26 ms. Allocated memory is still 151.0 MB. Free memory was 129.7 MB in the beginning and 62.6 MB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:31,554 INFO L168 Benchmark]: TraceAbstraction took 20459.68 ms. Allocated memory was 151.0 MB in the beginning and 406.8 MB in the end (delta: 255.9 MB). Free memory was 62.0 MB in the beginning and 208.2 MB in the end (delta: -146.2 MB). Peak memory consumption was 181.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:31,554 INFO L168 Benchmark]: Witness Printer took 198.92 ms. Allocated memory is still 406.8 MB. Free memory was 208.2 MB in the beginning and 196.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:31,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 202.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 605.81 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 102.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 153.21 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 132.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.87 ms. Allocated memory is still 151.0 MB. Free memory was 132.8 MB in the beginning and 129.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1267.26 ms. Allocated memory is still 151.0 MB. Free memory was 129.7 MB in the beginning and 62.6 MB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20459.68 ms. Allocated memory was 151.0 MB in the beginning and 406.8 MB in the end (delta: 255.9 MB). Free memory was 62.0 MB in the beginning and 208.2 MB in the end (delta: -146.2 MB). Peak memory consumption was 181.7 MB. Max. memory is 8.0 GB. * Witness Printer took 198.92 ms. Allocated memory is still 406.8 MB. Free memory was 208.2 MB in the beginning and 196.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1638 SDtfs, 2103 SDslu, 3360 SDs, 0 SdLazy, 433 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 2758 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 331 NumberOfFragments, 1099 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3061454 FormulaSimplificationTreeSizeReduction, 4.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 646911 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 25893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 42/42 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...