/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_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:14:33,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:14:33,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:14:33,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:14:33,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:14:33,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:14:33,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:14:33,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:14:33,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:14:33,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:14:33,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:14:33,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:14:33,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:14:33,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:14:33,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:14:33,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:14:33,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:14:33,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:14:33,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:14:33,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:14:33,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:14:33,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:14:33,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:14:33,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:14:33,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:14:33,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:14:33,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:14:33,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:14:33,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:14:33,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:14:33,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:14:33,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:14:33,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:14:33,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:14:33,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:14:33,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:14:33,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:14:33,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:14:33,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:14:33,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:14:33,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:14:33,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:14:33,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:14:33,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:14:33,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:14:33,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:14:33,213 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:14:33,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:14:33,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:14:33,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:14:33,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:14:33,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:14:33,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:14:33,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:14:33,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:14:33,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:14:33,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:14:33,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:14:33,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:14:33,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:14:33,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:14:33,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:14:33,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:14:33,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:14:33,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:14:33,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:14:33,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:14:33,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:14:33,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:14:33,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:14:33,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:14:33,719 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:14:33,720 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:14:33,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2021-01-06 19:14:33,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8c976b14b/e22dc55bba1a466da664eb058518a647/FLAG26e6ed523 [2021-01-06 19:14:34,503 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:14:34,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2021-01-06 19:14:34,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8c976b14b/e22dc55bba1a466da664eb058518a647/FLAG26e6ed523 [2021-01-06 19:14:34,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8c976b14b/e22dc55bba1a466da664eb058518a647 [2021-01-06 19:14:34,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:14:34,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:14:34,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:14:34,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:14:34,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:14:34,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:14:34" (1/1) ... [2021-01-06 19:14:34,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389f5afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:34, skipping insertion in model container [2021-01-06 19:14:34,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:14:34" (1/1) ... [2021-01-06 19:14:34,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:14:34,927 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] [2021-01-06 19:14:35,169 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_spec5_product34.cil.c[1817,1830] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] 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~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:14:35,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:14:35,302 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] [2021-01-06 19:14:35,320 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_spec5_product34.cil.c[1817,1830] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] 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~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:14:35,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:14:35,439 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:14:35,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35 WrapperNode [2021-01-06 19:14:35,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:14:35,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:14:35,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:14:35,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:14:35,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:14:35,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:14:35,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:14:35,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:14:35,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:14:35,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:14:35,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:14:35,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:14:35,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:14:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:14:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:14:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:14:35,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:14:36,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:14:36,654 INFO L299 CfgBuilder]: Removed 112 assume(true) statements. [2021-01-06 19:14:36,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:36 BoogieIcfgContainer [2021-01-06 19:14:36,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:14:36,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:14:36,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:14:36,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:14:36,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:14:34" (1/3) ... [2021-01-06 19:14:36,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f51c993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:14:36, skipping insertion in model container [2021-01-06 19:14:36,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35" (2/3) ... [2021-01-06 19:14:36,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f51c993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:14:36, skipping insertion in model container [2021-01-06 19:14:36,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:36" (3/3) ... [2021-01-06 19:14:36,665 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2021-01-06 19:14:36,672 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:14:36,678 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:14:36,697 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:14:36,726 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:14:36,727 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:14:36,727 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:14:36,727 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:14:36,727 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:14:36,728 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:14:36,728 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:14:36,728 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:14:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2021-01-06 19:14:36,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:14:36,752 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:36,753 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:36,753 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:36,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:36,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1820159384, now seen corresponding path program 1 times [2021-01-06 19:14:36,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:36,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912925504] [2021-01-06 19:14:36,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:37,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912925504] [2021-01-06 19:14:37,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:37,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:37,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211912328] [2021-01-06 19:14:37,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:14:37,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:37,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:14:37,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:14:37,094 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2021-01-06 19:14:37,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:37,125 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2021-01-06 19:14:37,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:14:37,127 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-01-06 19:14:37,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:37,138 INFO L225 Difference]: With dead ends: 167 [2021-01-06 19:14:37,138 INFO L226 Difference]: Without dead ends: 83 [2021-01-06 19:14:37,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:14:37,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-01-06 19:14:37,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-01-06 19:14:37,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2021-01-06 19:14:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2021-01-06 19:14:37,188 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2021-01-06 19:14:37,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:37,188 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2021-01-06 19:14:37,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:14:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2021-01-06 19:14:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-01-06 19:14:37,190 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:37,190 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] [2021-01-06 19:14:37,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:14:37,191 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:37,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:37,192 INFO L82 PathProgramCache]: Analyzing trace with hash -14139831, now seen corresponding path program 1 times [2021-01-06 19:14:37,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:37,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813954858] [2021-01-06 19:14:37,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:37,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813954858] [2021-01-06 19:14:37,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:37,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:14:37,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449546242] [2021-01-06 19:14:37,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:37,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:37,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:37,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:37,343 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2021-01-06 19:14:37,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:37,372 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2021-01-06 19:14:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:37,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-01-06 19:14:37,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:37,376 INFO L225 Difference]: With dead ends: 83 [2021-01-06 19:14:37,377 INFO L226 Difference]: Without dead ends: 38 [2021-01-06 19:14:37,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:37,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-01-06 19:14:37,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-01-06 19:14:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-01-06 19:14:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2021-01-06 19:14:37,389 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2021-01-06 19:14:37,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:37,390 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2021-01-06 19:14:37,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-01-06 19:14:37,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:14:37,394 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:37,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:37,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:14:37,395 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:37,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:37,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1021335289, now seen corresponding path program 1 times [2021-01-06 19:14:37,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:37,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547471964] [2021-01-06 19:14:37,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:37,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547471964] [2021-01-06 19:14:37,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:37,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:14:37,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822978393] [2021-01-06 19:14:37,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:37,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:37,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:37,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:37,565 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2021-01-06 19:14:37,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:37,600 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2021-01-06 19:14:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:37,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 19:14:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:37,606 INFO L225 Difference]: With dead ends: 69 [2021-01-06 19:14:37,606 INFO L226 Difference]: Without dead ends: 38 [2021-01-06 19:14:37,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:37,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-01-06 19:14:37,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-01-06 19:14:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-01-06 19:14:37,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-01-06 19:14:37,623 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2021-01-06 19:14:37,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:37,625 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-01-06 19:14:37,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:37,625 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-01-06 19:14:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-06 19:14:37,627 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:37,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:37,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:14:37,628 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:37,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:37,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1742927995, now seen corresponding path program 1 times [2021-01-06 19:14:37,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:37,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191895969] [2021-01-06 19:14:37,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:37,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191895969] [2021-01-06 19:14:37,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:37,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:37,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221244393] [2021-01-06 19:14:37,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:37,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:37,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:37,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:37,767 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2021-01-06 19:14:37,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:37,826 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2021-01-06 19:14:37,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:37,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-01-06 19:14:37,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:37,828 INFO L225 Difference]: With dead ends: 93 [2021-01-06 19:14:37,828 INFO L226 Difference]: Without dead ends: 62 [2021-01-06 19:14:37,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:37,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-01-06 19:14:37,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-01-06 19:14:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-01-06 19:14:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-01-06 19:14:37,838 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2021-01-06 19:14:37,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:37,838 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-01-06 19:14:37,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-01-06 19:14:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:14:37,840 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:37,840 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] [2021-01-06 19:14:37,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:14:37,841 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:37,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:37,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1221487882, now seen corresponding path program 1 times [2021-01-06 19:14:37,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:37,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215277764] [2021-01-06 19:14:37,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:37,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:37,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215277764] [2021-01-06 19:14:37,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:37,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:37,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602399914] [2021-01-06 19:14:37,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:37,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:37,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:37,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:37,929 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2021-01-06 19:14:38,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:38,007 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2021-01-06 19:14:38,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:14:38,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:14:38,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:38,010 INFO L225 Difference]: With dead ends: 157 [2021-01-06 19:14:38,010 INFO L226 Difference]: Without dead ends: 104 [2021-01-06 19:14:38,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:14:38,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-01-06 19:14:38,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2021-01-06 19:14:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-01-06 19:14:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2021-01-06 19:14:38,020 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2021-01-06 19:14:38,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:38,021 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2021-01-06 19:14:38,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-01-06 19:14:38,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:14:38,022 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:38,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:38,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:14:38,023 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:38,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:38,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2140015705, now seen corresponding path program 1 times [2021-01-06 19:14:38,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:38,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909564425] [2021-01-06 19:14:38,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:38,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909564425] [2021-01-06 19:14:38,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:38,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:14:38,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932910528] [2021-01-06 19:14:38,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:38,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:38,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:38,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:38,112 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2021-01-06 19:14:38,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:38,281 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2021-01-06 19:14:38,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:14:38,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:14:38,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:38,285 INFO L225 Difference]: With dead ends: 216 [2021-01-06 19:14:38,285 INFO L226 Difference]: Without dead ends: 160 [2021-01-06 19:14:38,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:14:38,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-01-06 19:14:38,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-01-06 19:14:38,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2021-01-06 19:14:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2021-01-06 19:14:38,316 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2021-01-06 19:14:38,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:38,317 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2021-01-06 19:14:38,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:38,320 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2021-01-06 19:14:38,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:14:38,321 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:38,321 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:38,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:14:38,322 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:38,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:38,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1922552460, now seen corresponding path program 1 times [2021-01-06 19:14:38,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:38,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951333171] [2021-01-06 19:14:38,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:38,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951333171] [2021-01-06 19:14:38,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:38,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:38,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840390521] [2021-01-06 19:14:38,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:38,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:38,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:38,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:38,416 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2021-01-06 19:14:38,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:38,522 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2021-01-06 19:14:38,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:14:38,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:14:38,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:38,524 INFO L225 Difference]: With dead ends: 164 [2021-01-06 19:14:38,524 INFO L226 Difference]: Without dead ends: 109 [2021-01-06 19:14:38,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:14:38,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-01-06 19:14:38,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2021-01-06 19:14:38,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-01-06 19:14:38,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2021-01-06 19:14:38,534 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2021-01-06 19:14:38,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:38,534 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2021-01-06 19:14:38,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:38,535 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2021-01-06 19:14:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:14:38,536 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:38,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:38,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:14:38,536 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:38,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:38,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1335746446, now seen corresponding path program 1 times [2021-01-06 19:14:38,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:38,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581094985] [2021-01-06 19:14:38,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:38,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:38,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581094985] [2021-01-06 19:14:38,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:38,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:38,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940976026] [2021-01-06 19:14:38,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:38,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:38,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:38,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:38,616 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2021-01-06 19:14:38,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:38,671 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2021-01-06 19:14:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:38,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-01-06 19:14:38,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:38,673 INFO L225 Difference]: With dead ends: 148 [2021-01-06 19:14:38,673 INFO L226 Difference]: Without dead ends: 91 [2021-01-06 19:14:38,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:38,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-01-06 19:14:38,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-01-06 19:14:38,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-01-06 19:14:38,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2021-01-06 19:14:38,684 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2021-01-06 19:14:38,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:38,685 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-01-06 19:14:38,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:38,685 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-01-06 19:14:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:14:38,686 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:38,686 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] [2021-01-06 19:14:38,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:14:38,687 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:38,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:38,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1064588722, now seen corresponding path program 1 times [2021-01-06 19:14:38,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:38,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027382290] [2021-01-06 19:14:38,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:38,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027382290] [2021-01-06 19:14:38,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:38,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:14:38,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141960870] [2021-01-06 19:14:38,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:14:38,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:38,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:14:38,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:14:38,809 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 7 states. [2021-01-06 19:14:39,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:39,270 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2021-01-06 19:14:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 19:14:39,271 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2021-01-06 19:14:39,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:39,274 INFO L225 Difference]: With dead ends: 420 [2021-01-06 19:14:39,274 INFO L226 Difference]: Without dead ends: 363 [2021-01-06 19:14:39,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-01-06 19:14:39,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-01-06 19:14:39,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2021-01-06 19:14:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-01-06 19:14:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2021-01-06 19:14:39,306 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2021-01-06 19:14:39,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:39,306 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2021-01-06 19:14:39,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:14:39,306 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2021-01-06 19:14:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:14:39,307 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:39,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:39,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:14:39,308 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:39,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:39,309 INFO L82 PathProgramCache]: Analyzing trace with hash 160053225, now seen corresponding path program 1 times [2021-01-06 19:14:39,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:39,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341011199] [2021-01-06 19:14:39,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:39,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341011199] [2021-01-06 19:14:39,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254093942] [2021-01-06 19:14:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:14:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:39,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-06 19:14:39,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:14:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:39,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:14:39,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-01-06 19:14:39,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982927255] [2021-01-06 19:14:39,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:14:39,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:39,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:14:39,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:14:39,809 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand 9 states. [2021-01-06 19:14:40,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:40,113 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2021-01-06 19:14:40,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:14:40,114 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2021-01-06 19:14:40,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:40,115 INFO L225 Difference]: With dead ends: 282 [2021-01-06 19:14:40,115 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:14:40,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-01-06 19:14:40,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:14:40,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:14:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:14:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:14:40,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-01-06 19:14:40,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:40,117 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:14:40,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:14:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:14:40,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:14:40,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 19:14:40,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:14:40,778 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2021-01-06 19:14:40,880 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2021-01-06 19:14:41,011 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2021-01-06 19:14:41,133 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2021-01-06 19:14:41,438 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-01-06 19:14:41,544 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-01-06 19:14:41,668 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2021-01-06 19:14:41,910 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2021-01-06 19:14:41,932 INFO L189 CegarLoopUtils]: For program point L927(lines 927 934) no Hoare annotation was computed. [2021-01-06 19:14:41,932 INFO L192 CegarLoopUtils]: At program point L927-1(lines 927 934) the Hoare annotation is: true [2021-01-06 19:14:41,933 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-01-06 19:14:41,933 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:14:41,933 INFO L189 CegarLoopUtils]: For program point L599(lines 599 612) no Hoare annotation was computed. [2021-01-06 19:14:41,934 INFO L185 CegarLoopUtils]: At program point L649(lines 649 655) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse5 .cse1 .cse6 .cse3) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2021-01-06 19:14:41,934 INFO L185 CegarLoopUtils]: At program point L649-1(lines 649 655) the Hoare annotation is: false [2021-01-06 19:14:41,935 INFO L185 CegarLoopUtils]: At program point L649-2(lines 649 655) the Hoare annotation is: false [2021-01-06 19:14:41,935 INFO L185 CegarLoopUtils]: At program point L550(lines 541 554) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2021-01-06 19:14:41,935 INFO L185 CegarLoopUtils]: At program point L550-1(lines 541 554) the Hoare annotation is: false [2021-01-06 19:14:41,935 INFO L185 CegarLoopUtils]: At program point L550-2(lines 541 554) the Hoare annotation is: false [2021-01-06 19:14:41,935 INFO L189 CegarLoopUtils]: For program point L468(lines 468 472) no Hoare annotation was computed. [2021-01-06 19:14:41,935 INFO L189 CegarLoopUtils]: For program point L468-3(lines 468 472) no Hoare annotation was computed. [2021-01-06 19:14:41,935 INFO L185 CegarLoopUtils]: At program point L782(lines 767 785) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2021-01-06 19:14:41,936 INFO L189 CegarLoopUtils]: For program point L468-6(lines 468 472) no Hoare annotation was computed. [2021-01-06 19:14:41,936 INFO L185 CegarLoopUtils]: At program point L782-1(lines 767 785) the Hoare annotation is: false [2021-01-06 19:14:41,936 INFO L185 CegarLoopUtils]: At program point L782-2(lines 767 785) the Hoare annotation is: false [2021-01-06 19:14:41,936 INFO L185 CegarLoopUtils]: At program point L617(lines 568 618) the Hoare annotation is: false [2021-01-06 19:14:41,936 INFO L185 CegarLoopUtils]: At program point L801(lines 796 803) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:41,936 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:14:41,936 INFO L189 CegarLoopUtils]: For program point L570(lines 569 616) no Hoare annotation was computed. [2021-01-06 19:14:41,937 INFO L185 CegarLoopUtils]: At program point L537(lines 532 540) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse5 .cse6) (and .cse8 .cse2 .cse1 .cse3 .cse4 .cse6 .cse7) (and .cse8 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse6 .cse7))) [2021-01-06 19:14:41,937 INFO L185 CegarLoopUtils]: At program point L537-1(lines 532 540) the Hoare annotation is: false [2021-01-06 19:14:41,937 INFO L185 CegarLoopUtils]: At program point L537-2(lines 532 540) the Hoare annotation is: false [2021-01-06 19:14:41,938 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:41,938 INFO L189 CegarLoopUtils]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-01-06 19:14:41,938 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-01-06 19:14:41,939 INFO L189 CegarLoopUtils]: For program point L589(lines 589 595) no Hoare annotation was computed. [2021-01-06 19:14:41,939 INFO L185 CegarLoopUtils]: At program point L589-1(lines 589 595) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2021-01-06 19:14:41,939 INFO L192 CegarLoopUtils]: At program point L936(lines 917 939) the Hoare annotation is: true [2021-01-06 19:14:41,939 INFO L185 CegarLoopUtils]: At program point L903(lines 899 905) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:41,939 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:14:41,939 INFO L189 CegarLoopUtils]: For program point L607(lines 607 611) no Hoare annotation was computed. [2021-01-06 19:14:41,940 INFO L185 CegarLoopUtils]: At program point L607-2(lines 607 611) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2021-01-06 19:14:41,940 INFO L189 CegarLoopUtils]: For program point L822(lines 822 839) no Hoare annotation was computed. [2021-01-06 19:14:41,940 INFO L185 CegarLoopUtils]: At program point L822-1(lines 1 939) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6 2)) (.cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6)) (.cse5 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8) (and (= ~waterLevel~0 1) .cse2 .cse5 .cse6) (and .cse9 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse6 .cse7))) [2021-01-06 19:14:41,940 INFO L185 CegarLoopUtils]: At program point L855-2(lines 855 869) the Hoare annotation is: false [2021-01-06 19:14:41,940 INFO L189 CegarLoopUtils]: For program point L822-2(lines 822 839) no Hoare annotation was computed. [2021-01-06 19:14:41,940 INFO L185 CegarLoopUtils]: At program point L822-3(lines 1 939) the Hoare annotation is: false [2021-01-06 19:14:41,940 INFO L189 CegarLoopUtils]: For program point L822-4(lines 822 839) no Hoare annotation was computed. [2021-01-06 19:14:41,941 INFO L185 CegarLoopUtils]: At program point L822-5(lines 1 939) the Hoare annotation is: false [2021-01-06 19:14:41,941 INFO L189 CegarLoopUtils]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-01-06 19:14:41,941 INFO L189 CegarLoopUtils]: For program point L674(lines 674 691) no Hoare annotation was computed. [2021-01-06 19:14:41,941 INFO L189 CegarLoopUtils]: For program point L674-1(lines 674 691) no Hoare annotation was computed. [2021-01-06 19:14:41,941 INFO L189 CegarLoopUtils]: For program point L674-2(lines 674 691) no Hoare annotation was computed. [2021-01-06 19:14:41,941 INFO L189 CegarLoopUtils]: For program point L856(line 856) no Hoare annotation was computed. [2021-01-06 19:14:41,941 INFO L185 CegarLoopUtils]: At program point L642(lines 638 660) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse2 .cse3))) [2021-01-06 19:14:41,942 INFO L185 CegarLoopUtils]: At program point L642-1(lines 638 660) the Hoare annotation is: false [2021-01-06 19:14:41,942 INFO L185 CegarLoopUtils]: At program point L642-2(lines 638 660) the Hoare annotation is: false [2021-01-06 19:14:41,942 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:14:41,942 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-01-06 19:14:41,943 INFO L189 CegarLoopUtils]: For program point L776(lines 776 780) no Hoare annotation was computed. [2021-01-06 19:14:41,943 INFO L189 CegarLoopUtils]: For program point L776-2(lines 776 780) no Hoare annotation was computed. [2021-01-06 19:14:41,943 INFO L189 CegarLoopUtils]: For program point L776-3(lines 776 780) no Hoare annotation was computed. [2021-01-06 19:14:41,943 INFO L189 CegarLoopUtils]: For program point L776-5(lines 776 780) no Hoare annotation was computed. [2021-01-06 19:14:41,943 INFO L189 CegarLoopUtils]: For program point L776-6(lines 776 780) no Hoare annotation was computed. [2021-01-06 19:14:41,943 INFO L189 CegarLoopUtils]: For program point L545(lines 545 551) no Hoare annotation was computed. [2021-01-06 19:14:41,943 INFO L189 CegarLoopUtils]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2021-01-06 19:14:41,944 INFO L189 CegarLoopUtils]: For program point L776-8(lines 776 780) no Hoare annotation was computed. [2021-01-06 19:14:41,944 INFO L189 CegarLoopUtils]: For program point L545-2(lines 545 551) no Hoare annotation was computed. [2021-01-06 19:14:41,944 INFO L189 CegarLoopUtils]: For program point L859(lines 859 863) no Hoare annotation was computed. [2021-01-06 19:14:41,944 INFO L189 CegarLoopUtils]: For program point L826(lines 826 836) no Hoare annotation was computed. [2021-01-06 19:14:41,946 INFO L189 CegarLoopUtils]: For program point L859-1(lines 859 863) no Hoare annotation was computed. [2021-01-06 19:14:41,946 INFO L189 CegarLoopUtils]: For program point L826-2(lines 826 836) no Hoare annotation was computed. [2021-01-06 19:14:41,946 INFO L185 CegarLoopUtils]: At program point L727(lines 722 730) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~waterLevel~0 1) .cse2 .cse6 .cse7 .cse4) (and .cse2 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse4 .cse5))) [2021-01-06 19:14:41,947 INFO L185 CegarLoopUtils]: At program point L727-1(lines 722 730) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (<= ~waterLevel~0 2)))) [2021-01-06 19:14:41,947 INFO L189 CegarLoopUtils]: For program point L826-4(lines 826 836) no Hoare annotation was computed. [2021-01-06 19:14:41,947 INFO L185 CegarLoopUtils]: At program point L727-2(lines 722 730) the Hoare annotation is: false [2021-01-06 19:14:41,947 INFO L185 CegarLoopUtils]: At program point L727-3(lines 722 730) the Hoare annotation is: false [2021-01-06 19:14:41,947 INFO L185 CegarLoopUtils]: At program point L727-4(lines 722 730) the Hoare annotation is: false [2021-01-06 19:14:41,947 INFO L185 CegarLoopUtils]: At program point L727-5(lines 722 730) the Hoare annotation is: false [2021-01-06 19:14:41,947 INFO L189 CegarLoopUtils]: For program point L678(lines 678 686) no Hoare annotation was computed. [2021-01-06 19:14:41,947 INFO L189 CegarLoopUtils]: For program point L678-1(lines 678 686) no Hoare annotation was computed. [2021-01-06 19:14:41,948 INFO L189 CegarLoopUtils]: For program point L678-2(lines 678 686) no Hoare annotation was computed. [2021-01-06 19:14:41,948 INFO L185 CegarLoopUtils]: At program point L67(lines 1 939) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:41,948 INFO L189 CegarLoopUtils]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-01-06 19:14:41,948 INFO L185 CegarLoopUtils]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2021-01-06 19:14:41,949 INFO L189 CegarLoopUtils]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-01-06 19:14:41,949 INFO L189 CegarLoopUtils]: For program point L827(lines 827 833) no Hoare annotation was computed. [2021-01-06 19:14:41,949 INFO L189 CegarLoopUtils]: For program point L827-2(lines 827 833) no Hoare annotation was computed. [2021-01-06 19:14:41,949 INFO L189 CegarLoopUtils]: For program point L827-4(lines 827 833) no Hoare annotation was computed. [2021-01-06 19:14:41,949 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-01-06 19:14:41,950 INFO L189 CegarLoopUtils]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-01-06 19:14:41,951 INFO L189 CegarLoopUtils]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-01-06 19:14:41,951 INFO L185 CegarLoopUtils]: At program point L811(lines 642 648) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse3 .cse4))) [2021-01-06 19:14:41,951 INFO L185 CegarLoopUtils]: At program point L811-1(lines 642 648) the Hoare annotation is: false [2021-01-06 19:14:41,951 INFO L185 CegarLoopUtils]: At program point L811-2(lines 642 648) the Hoare annotation is: false [2021-01-06 19:14:41,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:14:41 BoogieIcfgContainer [2021-01-06 19:14:41,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:14:41,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:14:41,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:14:41,982 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:14:41,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:36" (3/4) ... [2021-01-06 19:14:41,986 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:14:42,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:14:42,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:14:42,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:14:42,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:14:42,005 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:14:42,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:42,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:42,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || ((((((((1 <= pumpRunning && tmp <= 2) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:42,104 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product34.cil.c-witness.graphml [2021-01-06 19:14:42,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:14:42,105 INFO L168 Benchmark]: Toolchain (without parser) took 7275.78 ms. Allocated memory was 161.5 MB in the beginning and 222.3 MB in the end (delta: 60.8 MB). Free memory was 135.4 MB in the beginning and 171.9 MB in the end (delta: -36.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:42,106 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 161.5 MB. Free memory is still 132.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:14:42,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.77 ms. Allocated memory is still 161.5 MB. Free memory was 135.2 MB in the beginning and 113.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:42,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.30 ms. Allocated memory is still 161.5 MB. Free memory was 113.9 MB in the beginning and 110.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:42,107 INFO L168 Benchmark]: Boogie Preprocessor took 40.39 ms. Allocated memory is still 161.5 MB. Free memory was 110.7 MB in the beginning and 108.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:42,107 INFO L168 Benchmark]: RCFGBuilder took 1043.22 ms. Allocated memory is still 161.5 MB. Free memory was 108.4 MB in the beginning and 89.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:42,108 INFO L168 Benchmark]: TraceAbstraction took 5323.73 ms. Allocated memory was 161.5 MB in the beginning and 222.3 MB in the end (delta: 60.8 MB). Free memory was 89.1 MB in the beginning and 179.2 MB in the end (delta: -90.2 MB). Peak memory consumption was 78.7 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:42,108 INFO L168 Benchmark]: Witness Printer took 122.62 ms. Allocated memory is still 222.3 MB. Free memory was 179.2 MB in the beginning and 171.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:42,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 161.5 MB. Free memory is still 132.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 605.77 ms. Allocated memory is still 161.5 MB. Free memory was 135.2 MB in the beginning and 113.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 130.30 ms. Allocated memory is still 161.5 MB. Free memory was 113.9 MB in the beginning and 110.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.39 ms. Allocated memory is still 161.5 MB. Free memory was 110.7 MB in the beginning and 108.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1043.22 ms. Allocated memory is still 161.5 MB. Free memory was 108.4 MB in the beginning and 89.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5323.73 ms. Allocated memory was 161.5 MB in the beginning and 222.3 MB in the end (delta: 60.8 MB). Free memory was 89.1 MB in the beginning and 179.2 MB in the end (delta: -90.2 MB). Peak memory consumption was 78.7 MB. Max. memory is 8.0 GB. * Witness Printer took 122.62 ms. Allocated memory is still 222.3 MB. Free memory was 179.2 MB in the beginning and 171.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: 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: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || ((((((((1 <= pumpRunning && tmp <= 2) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 779 SDtfs, 1015 SDslu, 1172 SDs, 0 SdLazy, 194 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 394 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 96 NumberOfFragments, 791 HoareAnnotationTreeSize, 38 FomulaSimplifications, 22228 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 38 FomulaSimplificationsInter, 1220 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 26395 SizeOfPredicates, 3 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 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...