/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:12:41,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:12:41,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:12:41,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:12:41,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:12:41,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:12:41,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:12:41,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:12:41,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:12:41,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:12:41,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:12:41,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:12:41,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:12:41,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:12:41,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:12:41,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:12:41,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:12:41,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:12:41,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:12:41,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:12:41,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:12:41,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:12:41,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:12:41,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:12:41,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:12:41,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:12:41,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:12:41,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:12:41,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:12:41,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:12:41,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:12:41,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:12:41,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:12:41,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:12:41,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:12:41,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:12:41,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:12:41,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:12:41,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:12:41,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:12:41,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:12:41,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:12:41,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:12:41,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:12:41,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:12:41,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:12:41,951 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:12:41,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:12:41,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:12:41,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:12:41,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:12:41,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:12:41,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:12:41,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:12:41,952 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:12:41,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:12:41,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:12:41,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:12:41,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:12:41,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:41,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:12:41,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:12:41,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:12:41,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:12:41,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:12:41,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:12:41,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:12:41,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:12:42,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:12:42,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:12:42,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:12:42,354 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:12:42,355 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:12:42,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c [2021-01-06 19:12:42,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/53f4c62b9/f0c9fe5cf6d64306a314b9777df27ff2/FLAG5a777edd5 [2021-01-06 19:12:43,060 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:12:43,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c [2021-01-06 19:12:43,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/53f4c62b9/f0c9fe5cf6d64306a314b9777df27ff2/FLAG5a777edd5 [2021-01-06 19:12:43,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/53f4c62b9/f0c9fe5cf6d64306a314b9777df27ff2 [2021-01-06 19:12:43,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:12:43,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:12:43,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:43,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:12:43,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:12:43,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:43" (1/1) ... [2021-01-06 19:12:43,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76058918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:43, skipping insertion in model container [2021-01-06 19:12:43,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:43" (1/1) ... [2021-01-06 19:12:43,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:12:43,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 19:12:43,605 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c[1281,1294] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] 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[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:12:43,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:43,800 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 19:12:43,834 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c[1281,1294] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] 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[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:12:43,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:44,043 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:12:44,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44 WrapperNode [2021-01-06 19:12:44,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:44,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:44,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:12:44,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:12:44,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:44,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:12:44,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:12:44,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:12:44,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (1/1) ... [2021-01-06 19:12:44,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:12:44,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:12:44,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:12:44,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:12:44,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:12:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:12:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:12:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:12:45,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:12:45,473 INFO L299 CfgBuilder]: Removed 204 assume(true) statements. [2021-01-06 19:12:45,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:45 BoogieIcfgContainer [2021-01-06 19:12:45,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:12:45,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:12:45,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:12:45,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:12:45,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:12:43" (1/3) ... [2021-01-06 19:12:45,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167efe40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:45, skipping insertion in model container [2021-01-06 19:12:45,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:44" (2/3) ... [2021-01-06 19:12:45,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167efe40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:45, skipping insertion in model container [2021-01-06 19:12:45,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:45" (3/3) ... [2021-01-06 19:12:45,489 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product48.cil.c [2021-01-06 19:12:45,499 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:12:45,504 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:12:45,523 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:12:45,548 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:12:45,548 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:12:45,549 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:12:45,549 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:12:45,549 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:12:45,549 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:12:45,549 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:12:45,549 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:12:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2021-01-06 19:12:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:12:45,574 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:45,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:45,576 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:45,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:45,582 INFO L82 PathProgramCache]: Analyzing trace with hash -839049995, now seen corresponding path program 1 times [2021-01-06 19:12:45,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:45,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598700434] [2021-01-06 19:12:45,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:45,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598700434] [2021-01-06 19:12:45,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:45,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:45,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050337476] [2021-01-06 19:12:45,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:12:45,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:45,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:12:45,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:45,930 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2021-01-06 19:12:45,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:45,971 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-01-06 19:12:45,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:12:45,972 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:12:45,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:45,984 INFO L225 Difference]: With dead ends: 268 [2021-01-06 19:12:45,984 INFO L226 Difference]: Without dead ends: 133 [2021-01-06 19:12:45,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:46,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-01-06 19:12:46,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-01-06 19:12:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-01-06 19:12:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-01-06 19:12:46,038 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 18 [2021-01-06 19:12:46,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:46,039 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-01-06 19:12:46,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:12:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-01-06 19:12:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:12:46,041 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:46,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:46,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:12:46,041 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:46,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:46,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1750080748, now seen corresponding path program 1 times [2021-01-06 19:12:46,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:46,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366351120] [2021-01-06 19:12:46,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:46,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366351120] [2021-01-06 19:12:46,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:46,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:46,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243474952] [2021-01-06 19:12:46,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:46,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:46,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:46,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:46,140 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2021-01-06 19:12:46,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:46,155 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-01-06 19:12:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:46,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:12:46,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:46,157 INFO L225 Difference]: With dead ends: 133 [2021-01-06 19:12:46,157 INFO L226 Difference]: Without dead ends: 55 [2021-01-06 19:12:46,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:46,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-01-06 19:12:46,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-01-06 19:12:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-01-06 19:12:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-01-06 19:12:46,166 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-01-06 19:12:46,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:46,166 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-01-06 19:12:46,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-01-06 19:12:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:12:46,168 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:46,168 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:46,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:12:46,169 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:46,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:46,169 INFO L82 PathProgramCache]: Analyzing trace with hash -980873092, now seen corresponding path program 1 times [2021-01-06 19:12:46,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:46,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652411980] [2021-01-06 19:12:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:46,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652411980] [2021-01-06 19:12:46,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:46,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:46,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385082232] [2021-01-06 19:12:46,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:46,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:46,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:46,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:46,287 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2021-01-06 19:12:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:46,401 INFO L93 Difference]: Finished difference Result 129 states and 189 transitions. [2021-01-06 19:12:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:12:46,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-01-06 19:12:46,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:46,403 INFO L225 Difference]: With dead ends: 129 [2021-01-06 19:12:46,404 INFO L226 Difference]: Without dead ends: 80 [2021-01-06 19:12:46,404 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 19:12:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-01-06 19:12:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2021-01-06 19:12:46,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-01-06 19:12:46,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 111 transitions. [2021-01-06 19:12:46,423 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 111 transitions. Word has length 24 [2021-01-06 19:12:46,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:46,424 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 111 transitions. [2021-01-06 19:12:46,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2021-01-06 19:12:46,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:12:46,426 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:46,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:46,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:12:46,426 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:46,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:46,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1838136026, now seen corresponding path program 1 times [2021-01-06 19:12:46,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:46,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353584369] [2021-01-06 19:12:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:46,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:46,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353584369] [2021-01-06 19:12:46,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:46,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:46,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451669296] [2021-01-06 19:12:46,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:46,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:46,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:46,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:46,585 INFO L87 Difference]: Start difference. First operand 76 states and 111 transitions. Second operand 3 states. [2021-01-06 19:12:46,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:46,619 INFO L93 Difference]: Finished difference Result 169 states and 249 transitions. [2021-01-06 19:12:46,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:46,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 19:12:46,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:46,623 INFO L225 Difference]: With dead ends: 169 [2021-01-06 19:12:46,623 INFO L226 Difference]: Without dead ends: 99 [2021-01-06 19:12:46,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:46,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-01-06 19:12:46,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2021-01-06 19:12:46,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2021-01-06 19:12:46,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2021-01-06 19:12:46,647 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 26 [2021-01-06 19:12:46,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:46,648 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2021-01-06 19:12:46,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2021-01-06 19:12:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-06 19:12:46,652 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:46,652 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 19:12:46,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:12:46,653 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:46,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:46,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1544213679, now seen corresponding path program 1 times [2021-01-06 19:12:46,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:46,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053925362] [2021-01-06 19:12:46,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:46,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053925362] [2021-01-06 19:12:46,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:46,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:46,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817044036] [2021-01-06 19:12:46,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:46,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:46,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:46,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:46,774 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand 5 states. [2021-01-06 19:12:46,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:46,906 INFO L93 Difference]: Finished difference Result 507 states and 739 transitions. [2021-01-06 19:12:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:46,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-01-06 19:12:46,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:46,911 INFO L225 Difference]: With dead ends: 507 [2021-01-06 19:12:46,911 INFO L226 Difference]: Without dead ends: 416 [2021-01-06 19:12:46,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:12:46,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-01-06 19:12:46,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 165. [2021-01-06 19:12:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2021-01-06 19:12:46,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 230 transitions. [2021-01-06 19:12:46,942 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 230 transitions. Word has length 27 [2021-01-06 19:12:46,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:46,942 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 230 transitions. [2021-01-06 19:12:46,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 230 transitions. [2021-01-06 19:12:46,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-01-06 19:12:46,944 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:46,944 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] [2021-01-06 19:12:46,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:12:46,945 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:46,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:46,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1050489875, now seen corresponding path program 1 times [2021-01-06 19:12:46,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:46,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781002496] [2021-01-06 19:12:46,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:12:47,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:12:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:12:47,103 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:12:47,160 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 19:12:47,160 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 19:12:47,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:12:47,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:12:47 BoogieIcfgContainer [2021-01-06 19:12:47,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:12:47,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:12:47,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:12:47,292 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:12:47,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:45" (3/4) ... [2021-01-06 19:12:47,295 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 19:12:47,429 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product48.cil.c-witness.graphml [2021-01-06 19:12:47,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:12:47,433 INFO L168 Benchmark]: Toolchain (without parser) took 4137.29 ms. Allocated memory was 161.5 MB in the beginning and 194.0 MB in the end (delta: 32.5 MB). Free memory was 140.8 MB in the beginning and 87.6 MB in the end (delta: 53.2 MB). Peak memory consumption was 85.4 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,433 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 161.5 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:12:47,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.81 ms. Allocated memory is still 161.5 MB. Free memory was 140.4 MB in the beginning and 135.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.68 ms. Allocated memory is still 161.5 MB. Free memory was 135.6 MB in the beginning and 131.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,435 INFO L168 Benchmark]: Boogie Preprocessor took 57.05 ms. Allocated memory is still 161.5 MB. Free memory was 131.4 MB in the beginning and 128.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,435 INFO L168 Benchmark]: RCFGBuilder took 1285.20 ms. Allocated memory was 161.5 MB in the beginning and 194.0 MB in the end (delta: 32.5 MB). Free memory was 128.6 MB in the beginning and 141.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,436 INFO L168 Benchmark]: TraceAbstraction took 1812.82 ms. Allocated memory is still 194.0 MB. Free memory was 140.7 MB in the beginning and 99.7 MB in the end (delta: 41.1 MB). Peak memory consumption was 40.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,436 INFO L168 Benchmark]: Witness Printer took 138.48 ms. Allocated memory is still 194.0 MB. Free memory was 99.7 MB in the beginning and 87.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,438 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 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 747.81 ms. Allocated memory is still 161.5 MB. Free memory was 140.4 MB in the beginning and 135.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 85.68 ms. Allocated memory is still 161.5 MB. Free memory was 135.6 MB in the beginning and 131.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.05 ms. Allocated memory is still 161.5 MB. Free memory was 131.4 MB in the beginning and 128.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1285.20 ms. Allocated memory was 161.5 MB in the beginning and 194.0 MB in the end (delta: 32.5 MB). Free memory was 128.6 MB in the beginning and 141.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1812.82 ms. Allocated memory is still 194.0 MB. Free memory was 140.7 MB in the beginning and 99.7 MB in the end (delta: 41.1 MB). Peak memory consumption was 40.5 MB. Max. memory is 8.0 GB. * Witness Printer took 138.48 ms. Allocated memory is still 194.0 MB. Free memory was 99.7 MB in the beginning and 87.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L131] int waterLevel = 1; [L132] int methaneLevelCritical = 0; [L231] int pumpRunning = 0; [L232] int systemActive = 1; [L449] int cleanupTimeShifts = 4; [L784] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L523] int retValue_acc ; [L524] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L530] tmp = valid_product() [L532] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L547] int splverifierCounter ; [L548] int tmp ; [L549] int tmp___0 ; [L550] int tmp___1 ; [L551] int tmp___2 ; [L554] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L556] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L558] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L564] tmp = __VERIFIER_nondet_int() [L566] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L149] COND TRUE waterLevel < 2 [L150] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L574] tmp___0 = __VERIFIER_nondet_int() [L576] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L584] tmp___2 = __VERIFIER_nondet_int() [L586] COND FALSE !(\read(tmp___2)) [L592] tmp___1 = __VERIFIER_nondet_int() [L594] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L429] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L436] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L238] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L245] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L93] int tmp ; [L94] int tmp___0 ; [L95] int tmp___1 ; [L170] int retValue_acc ; [L173] retValue_acc = methaneLevelCritical [L174] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L99] tmp = isMethaneLevelCritical() [L101] COND FALSE !(\read(tmp)) [L202] int retValue_acc ; [L205] retValue_acc = waterLevel [L206] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L105] tmp___0 = getWaterLevel() [L107] COND TRUE tmp___0 == 2 [L362] int retValue_acc ; [L365] retValue_acc = pumpRunning [L366] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L109] tmp___1 = isPumpRunning() [L111] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L46] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 557 SDtfs, 732 SDslu, 397 SDs, 0 SdLazy, 65 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=5, 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, 5 MinimizatonAttempts, 257 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 4791 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...