/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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:18:48,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:18:48,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:18:48,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:18:48,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:18:48,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:18:48,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:18:48,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:18:48,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:18:48,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:18:48,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:18:48,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:18:48,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:18:48,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:18:48,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:18:48,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:18:48,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:18:48,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:18:48,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:18:48,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:18:48,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:18:48,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:18:48,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:18:48,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:18:48,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:18:48,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:18:48,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:18:48,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:18:48,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:18:48,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:18:48,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:18:48,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:18:48,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:18:48,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:18:48,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:18:48,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:18:48,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:18:48,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:18:48,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:18:48,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:18:48,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:18:48,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:18:48,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:18:48,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:18:48,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:18:48,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:18:48,960 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:18:48,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:18:48,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:18:48,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:18:48,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:18:48,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:18:48,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:18:48,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:18:48,964 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:18:48,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:18:48,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:18:48,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:18:48,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:18:48,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:18:48,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:18:48,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:18:48,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:18:48,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:18:48,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:18:48,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:18:48,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:18:48,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:18:49,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:18:49,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:18:49,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:18:49,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:18:49,461 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:18:49,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2020-12-23 09:18:49,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/71dcbda76/4a537a61d5a74fafb4184ebf3373a3bd/FLAGb3a406daf [2020-12-23 09:18:50,155 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:18:50,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2020-12-23 09:18:50,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/71dcbda76/4a537a61d5a74fafb4184ebf3373a3bd/FLAGb3a406daf [2020-12-23 09:18:50,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/71dcbda76/4a537a61d5a74fafb4184ebf3373a3bd [2020-12-23 09:18:50,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:18:50,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:18:50,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:18:50,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:18:50,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:18:50,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:18:50" (1/1) ... [2020-12-23 09:18:50,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdecb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:50, skipping insertion in model container [2020-12-23 09:18:50,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:18:50" (1/1) ... [2020-12-23 09:18:50,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:18:50,587 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~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~7,] 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[~retValue_acc~9,] [2020-12-23 09:18:50,901 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_product37.cil.c[16882,16895] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2020-12-23 09:18:50,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:18:50,927 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~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~7,] 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[~retValue_acc~9,] [2020-12-23 09:18:51,027 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_product37.cil.c[16882,16895] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2020-12-23 09:18:51,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:18:51,084 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:18:51,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51 WrapperNode [2020-12-23 09:18:51,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:18:51,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:18:51,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:18:51,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:18:51,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (1/1) ... [2020-12-23 09:18:51,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (1/1) ... [2020-12-23 09:18:51,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:18:51,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:18:51,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:18:51,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:18:51,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (1/1) ... [2020-12-23 09:18:51,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (1/1) ... [2020-12-23 09:18:51,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (1/1) ... [2020-12-23 09:18:51,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (1/1) ... [2020-12-23 09:18:51,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (1/1) ... [2020-12-23 09:18:51,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (1/1) ... [2020-12-23 09:18:51,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (1/1) ... [2020-12-23 09:18:51,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:18:51,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:18:51,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:18:51,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:18:51,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:18:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:18:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:18:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:18:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:18:52,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:18:52,442 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2020-12-23 09:18:52,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:18:52 BoogieIcfgContainer [2020-12-23 09:18:52,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:18:52,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:18:52,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:18:52,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:18:52,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:18:50" (1/3) ... [2020-12-23 09:18:52,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d3a4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:18:52, skipping insertion in model container [2020-12-23 09:18:52,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:51" (2/3) ... [2020-12-23 09:18:52,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d3a4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:18:52, skipping insertion in model container [2020-12-23 09:18:52,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:18:52" (3/3) ... [2020-12-23 09:18:52,455 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2020-12-23 09:18:52,462 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:18:52,468 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:18:52,488 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:18:52,525 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:18:52,525 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:18:52,525 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:18:52,525 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:18:52,526 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:18:52,526 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:18:52,526 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:18:52,526 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:18:52,546 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-12-23 09:18:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 09:18:52,554 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:52,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:52,555 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:52,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:52,562 INFO L82 PathProgramCache]: Analyzing trace with hash -259966017, now seen corresponding path program 1 times [2020-12-23 09:18:52,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:52,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213937619] [2020-12-23 09:18:52,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:52,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213937619] [2020-12-23 09:18:52,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:52,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:18:52,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136668872] [2020-12-23 09:18:52,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:18:52,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:52,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:18:52,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:18:52,871 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2020-12-23 09:18:52,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:52,912 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2020-12-23 09:18:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:18:52,913 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-23 09:18:52,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:52,927 INFO L225 Difference]: With dead ends: 228 [2020-12-23 09:18:52,927 INFO L226 Difference]: Without dead ends: 113 [2020-12-23 09:18:52,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:18:52,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-12-23 09:18:52,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-12-23 09:18:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-12-23 09:18:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-12-23 09:18:52,990 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2020-12-23 09:18:52,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:52,991 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-12-23 09:18:52,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:18:52,991 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-12-23 09:18:52,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 09:18:52,993 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:52,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:52,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:18:52,994 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:52,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:52,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1170996770, now seen corresponding path program 1 times [2020-12-23 09:18:52,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:52,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584390544] [2020-12-23 09:18:52,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:53,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584390544] [2020-12-23 09:18:53,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:53,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:18:53,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241344244] [2020-12-23 09:18:53,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:18:53,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:53,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:18:53,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:18:53,218 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-12-23 09:18:53,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:53,233 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-12-23 09:18:53,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:18:53,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-23 09:18:53,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:53,235 INFO L225 Difference]: With dead ends: 113 [2020-12-23 09:18:53,236 INFO L226 Difference]: Without dead ends: 47 [2020-12-23 09:18:53,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:18:53,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-23 09:18:53,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-23 09:18:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-23 09:18:53,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-12-23 09:18:53,244 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2020-12-23 09:18:53,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:53,244 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-12-23 09:18:53,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:18:53,245 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-12-23 09:18:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 09:18:53,246 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:53,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:53,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:18:53,246 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:53,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2020-12-23 09:18:53,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:53,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907220175] [2020-12-23 09:18:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:53,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907220175] [2020-12-23 09:18:53,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:53,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:18:53,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046043709] [2020-12-23 09:18:53,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:18:53,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:53,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:18:53,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:18:53,374 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2020-12-23 09:18:53,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:53,398 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-12-23 09:18:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:18:53,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-23 09:18:53,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:53,404 INFO L225 Difference]: With dead ends: 88 [2020-12-23 09:18:53,404 INFO L226 Difference]: Without dead ends: 47 [2020-12-23 09:18:53,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:18:53,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-23 09:18:53,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-23 09:18:53,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-23 09:18:53,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-12-23 09:18:53,414 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2020-12-23 09:18:53,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:53,414 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-12-23 09:18:53,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:18:53,415 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-12-23 09:18:53,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:18:53,416 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:53,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:53,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:18:53,419 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:53,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:53,420 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2020-12-23 09:18:53,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:53,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976078613] [2020-12-23 09:18:53,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:53,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:53,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976078613] [2020-12-23 09:18:53,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:53,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:18:53,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823471658] [2020-12-23 09:18:53,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:18:53,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:53,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:18:53,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:18:53,491 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-12-23 09:18:53,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:53,548 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2020-12-23 09:18:53,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:18:53,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-23 09:18:53,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:53,551 INFO L225 Difference]: With dead ends: 111 [2020-12-23 09:18:53,551 INFO L226 Difference]: Without dead ends: 70 [2020-12-23 09:18:53,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:18:53,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-12-23 09:18:53,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2020-12-23 09:18:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-12-23 09:18:53,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2020-12-23 09:18:53,574 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2020-12-23 09:18:53,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:53,574 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-12-23 09:18:53,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:18:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-12-23 09:18:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 09:18:53,576 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:53,579 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] [2020-12-23 09:18:53,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:18:53,580 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:53,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:53,580 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2020-12-23 09:18:53,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:53,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809581949] [2020-12-23 09:18:53,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:53,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809581949] [2020-12-23 09:18:53,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:53,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:18:53,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121645598] [2020-12-23 09:18:53,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:18:53,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:53,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:18:53,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:18:53,724 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2020-12-23 09:18:53,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:53,850 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2020-12-23 09:18:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:18:53,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-23 09:18:53,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:53,855 INFO L225 Difference]: With dead ends: 183 [2020-12-23 09:18:53,855 INFO L226 Difference]: Without dead ends: 121 [2020-12-23 09:18:53,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:18:53,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-12-23 09:18:53,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2020-12-23 09:18:53,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-23 09:18:53,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2020-12-23 09:18:53,877 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2020-12-23 09:18:53,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:53,878 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2020-12-23 09:18:53,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:18:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-12-23 09:18:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 09:18:53,880 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:53,880 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] [2020-12-23 09:18:53,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:18:53,880 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:53,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:53,882 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2020-12-23 09:18:53,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:53,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656306791] [2020-12-23 09:18:53,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:53,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656306791] [2020-12-23 09:18:53,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:53,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:18:53,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930546442] [2020-12-23 09:18:53,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:18:53,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:53,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:18:53,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:18:53,987 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2020-12-23 09:18:54,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:54,114 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2020-12-23 09:18:54,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:18:54,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-23 09:18:54,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:54,117 INFO L225 Difference]: With dead ends: 373 [2020-12-23 09:18:54,118 INFO L226 Difference]: Without dead ends: 305 [2020-12-23 09:18:54,119 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 [2020-12-23 09:18:54,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-12-23 09:18:54,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2020-12-23 09:18:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-12-23 09:18:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2020-12-23 09:18:54,136 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2020-12-23 09:18:54,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:54,137 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2020-12-23 09:18:54,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:18:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2020-12-23 09:18:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 09:18:54,138 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:54,139 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] [2020-12-23 09:18:54,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:18:54,139 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:54,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:54,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2020-12-23 09:18:54,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:54,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488158188] [2020-12-23 09:18:54,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:54,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488158188] [2020-12-23 09:18:54,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:54,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:18:54,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259506191] [2020-12-23 09:18:54,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:18:54,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:54,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:18:54,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:18:54,198 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 4 states. [2020-12-23 09:18:54,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:54,285 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2020-12-23 09:18:54,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:18:54,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-23 09:18:54,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:54,287 INFO L225 Difference]: With dead ends: 250 [2020-12-23 09:18:54,288 INFO L226 Difference]: Without dead ends: 182 [2020-12-23 09:18:54,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:18:54,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-12-23 09:18:54,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2020-12-23 09:18:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-23 09:18:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2020-12-23 09:18:54,306 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2020-12-23 09:18:54,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:54,306 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2020-12-23 09:18:54,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:18:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2020-12-23 09:18:54,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 09:18:54,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:54,308 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] [2020-12-23 09:18:54,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:18:54,309 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:54,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:54,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2020-12-23 09:18:54,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:54,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908745765] [2020-12-23 09:18:54,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:54,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908745765] [2020-12-23 09:18:54,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:54,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:18:54,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152421183] [2020-12-23 09:18:54,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:18:54,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:54,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:18:54,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:18:54,381 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand 4 states. [2020-12-23 09:18:54,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:54,435 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2020-12-23 09:18:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:18:54,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-23 09:18:54,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:54,438 INFO L225 Difference]: With dead ends: 422 [2020-12-23 09:18:54,438 INFO L226 Difference]: Without dead ends: 295 [2020-12-23 09:18:54,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:18:54,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-12-23 09:18:54,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2020-12-23 09:18:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-12-23 09:18:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2020-12-23 09:18:54,464 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2020-12-23 09:18:54,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:54,464 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2020-12-23 09:18:54,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:18:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2020-12-23 09:18:54,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 09:18:54,471 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:54,471 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] [2020-12-23 09:18:54,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:18:54,473 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:54,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:54,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2020-12-23 09:18:54,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:54,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022165223] [2020-12-23 09:18:54,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:54,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022165223] [2020-12-23 09:18:54,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:54,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:18:54,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106035176] [2020-12-23 09:18:54,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:18:54,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:54,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:18:54,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:18:54,580 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 6 states. [2020-12-23 09:18:54,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:54,793 INFO L93 Difference]: Finished difference Result 506 states and 698 transitions. [2020-12-23 09:18:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 09:18:54,794 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-12-23 09:18:54,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:54,796 INFO L225 Difference]: With dead ends: 506 [2020-12-23 09:18:54,796 INFO L226 Difference]: Without dead ends: 339 [2020-12-23 09:18:54,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:18:54,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-12-23 09:18:54,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 152. [2020-12-23 09:18:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-12-23 09:18:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2020-12-23 09:18:54,814 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2020-12-23 09:18:54,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:54,819 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2020-12-23 09:18:54,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:18:54,820 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2020-12-23 09:18:54,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 09:18:54,822 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:54,822 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] [2020-12-23 09:18:54,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:18:54,822 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:54,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:54,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2020-12-23 09:18:54,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:54,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699717098] [2020-12-23 09:18:54,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:54,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:54,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699717098] [2020-12-23 09:18:54,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:54,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:18:54,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801163315] [2020-12-23 09:18:54,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:18:54,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:54,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:18:54,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:18:54,874 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand 5 states. [2020-12-23 09:18:54,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:54,928 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2020-12-23 09:18:54,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:18:54,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-23 09:18:54,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:54,931 INFO L225 Difference]: With dead ends: 385 [2020-12-23 09:18:54,931 INFO L226 Difference]: Without dead ends: 239 [2020-12-23 09:18:54,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:18:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-12-23 09:18:54,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2020-12-23 09:18:54,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-23 09:18:54,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2020-12-23 09:18:54,946 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2020-12-23 09:18:54,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:54,947 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2020-12-23 09:18:54,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:18:54,947 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2020-12-23 09:18:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:18:54,948 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:54,948 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:54,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:18:54,948 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:54,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:54,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1653300136, now seen corresponding path program 1 times [2020-12-23 09:18:54,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:54,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209927880] [2020-12-23 09:18:54,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 09:18:55,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209927880] [2020-12-23 09:18:55,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:55,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:18:55,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739528821] [2020-12-23 09:18:55,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:18:55,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:55,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:18:55,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:18:55,006 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand 5 states. [2020-12-23 09:18:55,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:55,051 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2020-12-23 09:18:55,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:18:55,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 09:18:55,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:55,053 INFO L225 Difference]: With dead ends: 281 [2020-12-23 09:18:55,053 INFO L226 Difference]: Without dead ends: 173 [2020-12-23 09:18:55,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:18:55,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-12-23 09:18:55,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2020-12-23 09:18:55,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-23 09:18:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2020-12-23 09:18:55,067 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2020-12-23 09:18:55,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:55,068 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2020-12-23 09:18:55,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:18:55,068 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2020-12-23 09:18:55,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:18:55,069 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:55,069 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:55,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:18:55,069 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:55,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:55,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2020-12-23 09:18:55,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:55,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997640039] [2020-12-23 09:18:55,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:18:55,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997640039] [2020-12-23 09:18:55,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:55,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:18:55,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105085049] [2020-12-23 09:18:55,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:18:55,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:55,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:18:55,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:18:55,144 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand 5 states. [2020-12-23 09:18:55,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:55,262 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2020-12-23 09:18:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 09:18:55,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-23 09:18:55,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:55,265 INFO L225 Difference]: With dead ends: 633 [2020-12-23 09:18:55,266 INFO L226 Difference]: Without dead ends: 515 [2020-12-23 09:18:55,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:18:55,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-12-23 09:18:55,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2020-12-23 09:18:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-12-23 09:18:55,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2020-12-23 09:18:55,298 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2020-12-23 09:18:55,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:55,298 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2020-12-23 09:18:55,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:18:55,299 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2020-12-23 09:18:55,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 09:18:55,299 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:55,300 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:55,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:18:55,300 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:55,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:55,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2020-12-23 09:18:55,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:55,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326698700] [2020-12-23 09:18:55,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:18:55,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326698700] [2020-12-23 09:18:55,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217545050] [2020-12-23 09:18:55,377 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 [2020-12-23 09:18:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:55,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 09:18:55,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:18:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:18:55,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:18:55,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-12-23 09:18:55,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229362355] [2020-12-23 09:18:55,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:18:55,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:55,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:18:55,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:18:55,679 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand 10 states. [2020-12-23 09:18:56,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:56,018 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2020-12-23 09:18:56,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 09:18:56,019 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-12-23 09:18:56,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:56,021 INFO L225 Difference]: With dead ends: 580 [2020-12-23 09:18:56,021 INFO L226 Difference]: Without dead ends: 346 [2020-12-23 09:18:56,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-12-23 09:18:56,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-12-23 09:18:56,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2020-12-23 09:18:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-23 09:18:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2020-12-23 09:18:56,053 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2020-12-23 09:18:56,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:56,053 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2020-12-23 09:18:56,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:18:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2020-12-23 09:18:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 09:18:56,054 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:56,054 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:56,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 09:18:56,268 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:56,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:56,269 INFO L82 PathProgramCache]: Analyzing trace with hash 889469905, now seen corresponding path program 1 times [2020-12-23 09:18:56,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:56,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092948925] [2020-12-23 09:18:56,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-23 09:18:56,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092948925] [2020-12-23 09:18:56,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789505799] [2020-12-23 09:18:56,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:18:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:56,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-23 09:18:56,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:18:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-23 09:18:56,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:18:56,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-12-23 09:18:56,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140375186] [2020-12-23 09:18:56,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:18:56,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:56,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:18:56,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:18:56,597 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand 7 states. [2020-12-23 09:18:56,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:56,871 INFO L93 Difference]: Finished difference Result 774 states and 972 transitions. [2020-12-23 09:18:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 09:18:56,872 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-12-23 09:18:56,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:56,873 INFO L225 Difference]: With dead ends: 774 [2020-12-23 09:18:56,873 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:18:56,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:18:56,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:18:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:18:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:18:56,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:18:56,875 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2020-12-23 09:18:56,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:56,876 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:18:56,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:18:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:18:56,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:18:57,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 09:18:57,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:18:57,326 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 121 [2020-12-23 09:18:57,448 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2020-12-23 09:18:57,558 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2020-12-23 09:18:58,010 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 169 [2020-12-23 09:18:58,241 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 121 [2020-12-23 09:18:58,828 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 144 [2020-12-23 09:18:59,744 WARN L197 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 51 [2020-12-23 09:19:00,348 WARN L197 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-12-23 09:19:00,702 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-12-23 09:19:01,005 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-12-23 09:19:02,145 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 162 DAG size of output: 41 [2020-12-23 09:19:02,970 WARN L197 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2020-12-23 09:19:03,134 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2020-12-23 09:19:03,331 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2020-12-23 09:19:03,957 WARN L197 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 50 [2020-12-23 09:19:04,324 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2020-12-23 09:19:05,260 WARN L197 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2020-12-23 09:19:05,265 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2020-12-23 09:19:05,266 INFO L189 CegarLoopUtils]: For program point L862(line 862) no Hoare annotation was computed. [2020-12-23 09:19:05,266 INFO L189 CegarLoopUtils]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-12-23 09:19:05,266 INFO L189 CegarLoopUtils]: For program point L862-2(line 862) no Hoare annotation was computed. [2020-12-23 09:19:05,267 INFO L185 CegarLoopUtils]: At program point L534(lines 534 540) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse10 (not .cse7)) (.cse11 (<= 2 ~waterLevel~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 .cse3 .cse7 .cse6) (and .cse1 .cse8 .cse9 .cse10 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse12) (and .cse0 .cse3 .cse13 .cse7 .cse6) (and .cse8 .cse9 .cse10 .cse13 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse12) (and .cse0 .cse2 .cse3 .cse13 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6)))) [2020-12-23 09:19:05,267 INFO L185 CegarLoopUtils]: At program point L534-1(lines 534 540) the Hoare annotation is: false [2020-12-23 09:19:05,267 INFO L185 CegarLoopUtils]: At program point L534-2(lines 534 540) the Hoare annotation is: false [2020-12-23 09:19:05,267 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:05,267 INFO L185 CegarLoopUtils]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:05,267 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-23 09:19:05,268 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2020-12-23 09:19:05,268 INFO L189 CegarLoopUtils]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-12-23 09:19:05,268 INFO L189 CegarLoopUtils]: For program point L770-3(lines 770 774) no Hoare annotation was computed. [2020-12-23 09:19:05,268 INFO L185 CegarLoopUtils]: At program point L638(lines 633 641) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0) (= 1 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2)) [2020-12-23 09:19:05,268 INFO L185 CegarLoopUtils]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2020-12-23 09:19:05,268 INFO L189 CegarLoopUtils]: For program point L770-6(lines 770 774) no Hoare annotation was computed. [2020-12-23 09:19:05,269 INFO L185 CegarLoopUtils]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2020-12-23 09:19:05,269 INFO L189 CegarLoopUtils]: For program point L738(lines 738 749) no Hoare annotation was computed. [2020-12-23 09:19:05,269 INFO L185 CegarLoopUtils]: At program point L839(lines 834 842) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse2 .cse3 .cse6 .cse8 (<= 2 ~waterLevel~0) .cse7 .cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1 (not .cse10) .cse4 (<= ~waterLevel~0 2)) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse8 .cse10 .cse9))) [2020-12-23 09:19:05,269 INFO L185 CegarLoopUtils]: At program point L839-1(lines 834 842) the Hoare annotation is: false [2020-12-23 09:19:05,269 INFO L185 CegarLoopUtils]: At program point L839-2(lines 834 842) the Hoare annotation is: false [2020-12-23 09:19:05,269 INFO L185 CegarLoopUtils]: At program point L807(lines 802 810) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6))) [2020-12-23 09:19:05,270 INFO L185 CegarLoopUtils]: At program point L807-1(lines 802 810) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 0))) (let ((.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse13 (<= ~waterLevel~0 2)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (not .cse14)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse1 .cse3 .cse2 .cse5 .cse6 .cse8 .cse12 .cse13) (and .cse10 .cse11 .cse1 .cse3 .cse4 .cse2 .cse5 .cse6 .cse7 .cse8 .cse13) (and .cse0 .cse9 .cse3 .cse14 .cse8 .cse12) (and .cse0 .cse3 .cse4 .cse7 .cse14 .cse8) (and .cse0 .cse9 .cse1 .cse2 .cse3 .cse5 .cse6 .cse8 .cse12)))) [2020-12-23 09:19:05,270 INFO L185 CegarLoopUtils]: At program point L807-2(lines 802 810) the Hoare annotation is: false [2020-12-23 09:19:05,270 INFO L185 CegarLoopUtils]: At program point L807-3(lines 802 810) the Hoare annotation is: false [2020-12-23 09:19:05,270 INFO L185 CegarLoopUtils]: At program point L807-4(lines 802 810) the Hoare annotation is: false [2020-12-23 09:19:05,270 INFO L185 CegarLoopUtils]: At program point L807-5(lines 802 810) the Hoare annotation is: false [2020-12-23 09:19:05,270 INFO L189 CegarLoopUtils]: For program point L709(lines 708 753) no Hoare annotation was computed. [2020-12-23 09:19:05,271 INFO L189 CegarLoopUtils]: For program point L710(lines 710 714) no Hoare annotation was computed. [2020-12-23 09:19:05,271 INFO L189 CegarLoopUtils]: For program point L876(lines 876 896) no Hoare annotation was computed. [2020-12-23 09:19:05,271 INFO L189 CegarLoopUtils]: For program point L876-2(lines 876 896) no Hoare annotation was computed. [2020-12-23 09:19:05,271 INFO L189 CegarLoopUtils]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-12-23 09:19:05,271 INFO L189 CegarLoopUtils]: For program point L876-4(lines 876 896) no Hoare annotation was computed. [2020-12-23 09:19:05,271 INFO L189 CegarLoopUtils]: For program point L744-2(lines 527 533) no Hoare annotation was computed. [2020-12-23 09:19:05,271 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:19:05,271 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-23 09:19:05,271 INFO L189 CegarLoopUtils]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-12-23 09:19:05,272 INFO L189 CegarLoopUtils]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2020-12-23 09:19:05,272 INFO L189 CegarLoopUtils]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2020-12-23 09:19:05,272 INFO L189 CegarLoopUtils]: For program point L847-3(lines 847 853) no Hoare annotation was computed. [2020-12-23 09:19:05,272 INFO L189 CegarLoopUtils]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2020-12-23 09:19:05,272 INFO L189 CegarLoopUtils]: For program point L847-5(lines 847 853) no Hoare annotation was computed. [2020-12-23 09:19:05,272 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-23 09:19:05,272 INFO L189 CegarLoopUtils]: For program point L782(lines 782 786) no Hoare annotation was computed. [2020-12-23 09:19:05,272 INFO L189 CegarLoopUtils]: For program point L882(lines 882 895) no Hoare annotation was computed. [2020-12-23 09:19:05,273 INFO L185 CegarLoopUtils]: At program point L882-1(lines 1 934) the Hoare annotation is: (let ((.cse15 (= ~pumpRunning~0 0))) (let ((.cse12 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse13 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse17 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse16 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse2 (not .cse15)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse18 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse3 .cse11 .cse12 .cse13 .cse14 .cse15 .cse9) (and .cse0 .cse10 .cse2 .cse3 .cse11 .cse12 .cse4 .cse5 .cse13 .cse14 .cse7 .cse9) (and .cse16 .cse3 .cse4 .cse5 (<= 2 ~waterLevel~0) .cse7 .cse14 .cse9 .cse17 .cse10 .cse2 .cse11 .cse18) (and (= ~waterLevel~0 1) .cse11 .cse3 .cse15 .cse9) (and .cse1 .cse17 .cse16 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse8 .cse18) (and .cse0 .cse1 .cse3 .cse6 .cse15 .cse9 .cse8)))) [2020-12-23 09:19:05,273 INFO L189 CegarLoopUtils]: For program point L882-2(lines 882 895) no Hoare annotation was computed. [2020-12-23 09:19:05,273 INFO L185 CegarLoopUtils]: At program point L882-3(lines 1 934) the Hoare annotation is: false [2020-12-23 09:19:05,273 INFO L189 CegarLoopUtils]: For program point L882-4(lines 882 895) no Hoare annotation was computed. [2020-12-23 09:19:05,273 INFO L185 CegarLoopUtils]: At program point L882-5(lines 1 934) the Hoare annotation is: false [2020-12-23 09:19:05,273 INFO L189 CegarLoopUtils]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-12-23 09:19:05,273 INFO L189 CegarLoopUtils]: For program point L585-1(lines 585 602) no Hoare annotation was computed. [2020-12-23 09:19:05,273 INFO L189 CegarLoopUtils]: For program point L585-2(lines 585 602) no Hoare annotation was computed. [2020-12-23 09:19:05,274 INFO L189 CegarLoopUtils]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-12-23 09:19:05,274 INFO L185 CegarLoopUtils]: At program point L718-1(lines 718 724) the Hoare annotation is: (let ((.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse5 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse11 (= ~waterLevel~0 1)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse10 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse15 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse16 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse17 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse4 .cse2 .cse9 .cse7 .cse8 .cse10) (and .cse11 .cse2 .cse4 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse12 .cse4 .cse13 .cse14 .cse5 .cse6 .cse8) (and .cse1 .cse4 .cse2 .cse12 .cse13 .cse6 .cse10 (or (and .cse11 .cse14 .cse8) (and .cse9 .cse14 .cse8))) (and .cse15 .cse12 .cse4 .cse13 .cse16 .cse14 .cse8 .cse17 .cse10) (and .cse15 .cse4 .cse16 .cse9 .cse7 .cse8 .cse17 .cse10) (and .cse0 .cse15 .cse4 .cse16 .cse7 .cse8 .cse17))) [2020-12-23 09:19:05,274 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:19:05,274 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-23 09:19:05,274 INFO L189 CegarLoopUtils]: For program point L58-1(lines 527 533) no Hoare annotation was computed. [2020-12-23 09:19:05,274 INFO L185 CegarLoopUtils]: At program point L852(lines 843 856) the Hoare annotation is: false [2020-12-23 09:19:05,275 INFO L185 CegarLoopUtils]: At program point L852-1(lines 843 856) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse0 (not .cse6)) (.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse2 .cse6 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2020-12-23 09:19:05,275 INFO L185 CegarLoopUtils]: At program point L852-2(lines 843 856) the Hoare annotation is: false [2020-12-23 09:19:05,275 INFO L185 CegarLoopUtils]: At program point L852-3(lines 843 856) the Hoare annotation is: false [2020-12-23 09:19:05,275 INFO L185 CegarLoopUtils]: At program point L852-4(lines 843 856) the Hoare annotation is: false [2020-12-23 09:19:05,275 INFO L189 CegarLoopUtils]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,275 INFO L185 CegarLoopUtils]: At program point L852-5(lines 843 856) the Hoare annotation is: false [2020-12-23 09:19:05,275 INFO L189 CegarLoopUtils]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,275 INFO L189 CegarLoopUtils]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,276 INFO L189 CegarLoopUtils]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,276 INFO L189 CegarLoopUtils]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,276 INFO L189 CegarLoopUtils]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,276 INFO L189 CegarLoopUtils]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,276 INFO L189 CegarLoopUtils]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,276 INFO L189 CegarLoopUtils]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,276 INFO L189 CegarLoopUtils]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,276 INFO L189 CegarLoopUtils]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,276 INFO L189 CegarLoopUtils]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2020-12-23 09:19:05,277 INFO L189 CegarLoopUtils]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-12-23 09:19:05,277 INFO L189 CegarLoopUtils]: For program point L886-2(lines 886 892) no Hoare annotation was computed. [2020-12-23 09:19:05,277 INFO L185 CegarLoopUtils]: At program point L754(lines 707 755) the Hoare annotation is: false [2020-12-23 09:19:05,277 INFO L189 CegarLoopUtils]: For program point L886-4(lines 886 892) no Hoare annotation was computed. [2020-12-23 09:19:05,277 INFO L189 CegarLoopUtils]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-12-23 09:19:05,277 INFO L189 CegarLoopUtils]: For program point L589-1(lines 589 597) no Hoare annotation was computed. [2020-12-23 09:19:05,277 INFO L189 CegarLoopUtils]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2020-12-23 09:19:05,277 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:19:05,278 INFO L189 CegarLoopUtils]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-12-23 09:19:05,278 INFO L189 CegarLoopUtils]: For program point L559-1(lines 559 576) no Hoare annotation was computed. [2020-12-23 09:19:05,278 INFO L189 CegarLoopUtils]: For program point L559-2(lines 559 576) no Hoare annotation was computed. [2020-12-23 09:19:05,278 INFO L189 CegarLoopUtils]: For program point L559-3(lines 559 576) no Hoare annotation was computed. [2020-12-23 09:19:05,278 INFO L189 CegarLoopUtils]: For program point L559-4(lines 559 576) no Hoare annotation was computed. [2020-12-23 09:19:05,278 INFO L189 CegarLoopUtils]: For program point L559-5(lines 559 576) no Hoare annotation was computed. [2020-12-23 09:19:05,278 INFO L185 CegarLoopUtils]: At program point L923(lines 1 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:05,279 INFO L185 CegarLoopUtils]: At program point L527(lines 526 545) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse10 (<= ~waterLevel~0 2)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse8 .cse9 .cse6 .cse10) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse7 .cse9 .cse6) (and .cse1 .cse3 .cse8 .cse9 .cse6 .cse10) (and .cse1 .cse0 .cse3 .cse9 .cse6))) [2020-12-23 09:19:05,279 INFO L189 CegarLoopUtils]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2020-12-23 09:19:05,279 INFO L185 CegarLoopUtils]: At program point L527-2(lines 526 545) the Hoare annotation is: false [2020-12-23 09:19:05,279 INFO L185 CegarLoopUtils]: At program point L527-3(lines 526 545) the Hoare annotation is: false [2020-12-23 09:19:05,279 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:19:05,279 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2020-12-23 09:19:05,279 INFO L185 CegarLoopUtils]: At program point L693(lines 678 696) the Hoare annotation is: false [2020-12-23 09:19:05,280 INFO L185 CegarLoopUtils]: At program point L693-1(lines 678 696) the Hoare annotation is: (let ((.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse0 (not .cse10)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (not .cse14)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse13 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse15 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse3 .cse11 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15) (and .cse9 .cse10 .cse11 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15)))) [2020-12-23 09:19:05,280 INFO L185 CegarLoopUtils]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2020-12-23 09:19:05,280 INFO L185 CegarLoopUtils]: At program point L693-3(lines 678 696) the Hoare annotation is: false [2020-12-23 09:19:05,280 INFO L185 CegarLoopUtils]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2020-12-23 09:19:05,280 INFO L185 CegarLoopUtils]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2020-12-23 09:19:05,280 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-23 09:19:05,280 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-23 09:19:05,280 INFO L189 CegarLoopUtils]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-12-23 09:19:05,281 INFO L189 CegarLoopUtils]: For program point L728(lines 728 734) no Hoare annotation was computed. [2020-12-23 09:19:05,281 INFO L185 CegarLoopUtils]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse7 .cse8 .cse9 .cse5 .cse6) (and .cse10 .cse2 .cse7 .cse9 .cse5) (and .cse2 .cse7 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse8 .cse9 .cse5 .cse6) (and .cse0 .cse10 .cse2 .cse9 .cse5))) [2020-12-23 09:19:05,281 INFO L185 CegarLoopUtils]: At program point L629(lines 622 632) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6))) [2020-12-23 09:19:05,281 INFO L185 CegarLoopUtils]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2020-12-23 09:19:05,281 INFO L189 CegarLoopUtils]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-12-23 09:19:05,281 INFO L185 CegarLoopUtils]: At program point L629-2(lines 622 632) the Hoare annotation is: false [2020-12-23 09:19:05,281 INFO L189 CegarLoopUtils]: For program point L563-1(lines 563 571) no Hoare annotation was computed. [2020-12-23 09:19:05,282 INFO L189 CegarLoopUtils]: For program point L563-2(lines 563 571) no Hoare annotation was computed. [2020-12-23 09:19:05,282 INFO L189 CegarLoopUtils]: For program point L563-3(lines 563 571) no Hoare annotation was computed. [2020-12-23 09:19:05,282 INFO L189 CegarLoopUtils]: For program point L563-4(lines 563 571) no Hoare annotation was computed. [2020-12-23 09:19:05,282 INFO L189 CegarLoopUtils]: For program point L563-5(lines 563 571) no Hoare annotation was computed. [2020-12-23 09:19:05,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:19:05 BoogieIcfgContainer [2020-12-23 09:19:05,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:19:05,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:19:05,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:19:05,372 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:19:05,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:18:52" (3/4) ... [2020-12-23 09:19:05,378 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:19:05,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:19:05,411 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:19:05,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:19:05,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:19:05,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:19:05,416 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:19:05,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:19:05,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((waterLevel <= 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && \result == 1) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 1 && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) [2020-12-23 09:19:05,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0)) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && waterLevel <= 2) && (((waterLevel == 1 && tmp == 0) && splverifierCounter == 0) || ((2 <= waterLevel && tmp == 0) && splverifierCounter == 0)))) || ((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) [2020-12-23 09:19:05,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:19:05,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:19:05,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2020-12-23 09:19:05,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) [2020-12-23 09:19:05,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2020-12-23 09:19:05,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2020-12-23 09:19:05,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:19:05,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((((tmp == 1 && tmp___0 == 1) && 1 == systemActive) && \result == 1) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:19:05,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((\result == 0 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && \result == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-23 09:19:05,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 == systemActive && tmp___0 == 1) && !(\result == 0)) && \result == 1) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && 1 == tmp) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 [2020-12-23 09:19:05,552 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product37.cil.c-witness.graphml [2020-12-23 09:19:05,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:19:05,553 INFO L168 Benchmark]: Toolchain (without parser) took 15070.18 ms. Allocated memory was 164.6 MB in the beginning and 361.8 MB in the end (delta: 197.1 MB). Free memory was 138.3 MB in the beginning and 229.8 MB in the end (delta: -91.5 MB). Peak memory consumption was 106.4 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:05,553 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 164.6 MB. Free memory is still 137.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:19:05,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.95 ms. Allocated memory is still 164.6 MB. Free memory was 138.2 MB in the beginning and 116.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:05,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.76 ms. Allocated memory is still 164.6 MB. Free memory was 116.9 MB in the beginning and 113.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:05,554 INFO L168 Benchmark]: Boogie Preprocessor took 57.35 ms. Allocated memory is still 164.6 MB. Free memory was 113.3 MB in the beginning and 110.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:05,555 INFO L168 Benchmark]: RCFGBuilder took 1193.61 ms. Allocated memory is still 164.6 MB. Free memory was 110.5 MB in the beginning and 83.5 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:05,555 INFO L168 Benchmark]: TraceAbstraction took 12924.52 ms. Allocated memory was 164.6 MB in the beginning and 361.8 MB in the end (delta: 197.1 MB). Free memory was 83.0 MB in the beginning and 240.3 MB in the end (delta: -157.2 MB). Peak memory consumption was 119.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:05,556 INFO L168 Benchmark]: Witness Printer took 180.92 ms. Allocated memory is still 361.8 MB. Free memory was 240.3 MB in the beginning and 229.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:05,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 164.6 MB. Free memory is still 137.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 598.95 ms. Allocated memory is still 164.6 MB. Free memory was 138.2 MB in the beginning and 116.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 104.76 ms. Allocated memory is still 164.6 MB. Free memory was 116.9 MB in the beginning and 113.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.35 ms. Allocated memory is still 164.6 MB. Free memory was 113.3 MB in the beginning and 110.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1193.61 ms. Allocated memory is still 164.6 MB. Free memory was 110.5 MB in the beginning and 83.5 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12924.52 ms. Allocated memory was 164.6 MB in the beginning and 361.8 MB in the end (delta: 197.1 MB). Free memory was 83.0 MB in the beginning and 240.3 MB in the end (delta: -157.2 MB). Peak memory consumption was 119.1 MB. Max. memory is 8.0 GB. * Witness Printer took 180.92 ms. Allocated memory is still 361.8 MB. Free memory was 240.3 MB in the beginning and 229.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: 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: 718]: Loop Invariant Derived loop invariant: ((((((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0)) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && waterLevel <= 2) && (((waterLevel == 1 && tmp == 0) && splverifierCounter == 0) || ((2 <= waterLevel && tmp == 0) && splverifierCounter == 0)))) || ((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((\result == 0 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && \result == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((((((((1 == systemActive && tmp___0 == 1) && !(\result == 0)) && \result == 1) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && 1 == tmp) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((((tmp == 1 && tmp___0 == 1) && 1 == systemActive) && \result == 1) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((waterLevel <= 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && \result == 1) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 1 && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1372 SDtfs, 1934 SDslu, 2475 SDs, 0 SdLazy, 407 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 1088 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 246 NumberOfFragments, 1520 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2610356 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 45 FomulaSimplificationsInter, 215572 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 54255 SizeOfPredicates, 6 NumberOfNonLiveVariables, 867 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 62/88 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...