/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_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:19:34,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:19:34,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:19:34,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:19:34,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:19:34,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:19:34,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:19:34,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:19:34,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:19:34,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:19:34,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:19:34,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:19:34,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:19:34,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:19:34,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:19:34,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:19:34,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:19:34,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:19:34,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:19:34,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:19:34,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:19:34,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:19:34,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:19:34,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:19:34,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:19:34,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:19:34,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:19:34,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:19:34,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:19:34,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:19:34,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:19:34,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:19:34,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:19:34,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:19:34,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:19:34,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:19:34,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:19:34,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:19:34,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:19:34,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:19:34,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:19:34,844 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 09:19:34,872 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:19:34,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:19:34,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:19:34,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:19:34,875 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:19:34,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:19:34,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:19:34,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:19:34,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:19:34,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:19:34,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:19:34,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:19:34,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:19:34,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:19:34,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:19:34,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:19:34,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:19:34,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:19:34,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:19:34,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:19:34,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:19:34,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:19:34,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:19:34,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:19:34,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:19:34,880 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:19:35,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:19:35,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:19:35,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:19:35,322 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:19:35,323 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:19:35,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2020-12-23 09:19:35,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c4e9b4759/6f0d0f470c014c68ae7035975a64da54/FLAG682ae9337 [2020-12-23 09:19:36,254 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:19:36,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2020-12-23 09:19:36,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c4e9b4759/6f0d0f470c014c68ae7035975a64da54/FLAG682ae9337 [2020-12-23 09:19:36,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c4e9b4759/6f0d0f470c014c68ae7035975a64da54 [2020-12-23 09:19:36,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:19:36,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:19:36,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:19:36,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:19:36,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:19:36,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:36,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205cd10e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36, skipping insertion in model container [2020-12-23 09:19:36,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:36,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:19:36,372 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] [2020-12-23 09:19:36,597 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_spec4_product17.cil.c[2999,3012] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2020-12-23 09:19:36,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:19:36,781 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] [2020-12-23 09:19:36,806 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_spec4_product17.cil.c[2999,3012] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2020-12-23 09:19:36,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:19:36,915 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:19:36,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36 WrapperNode [2020-12-23 09:19:36,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:19:36,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:19:36,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:19:36,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:19:36,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:36,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:36,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:19:36,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:19:36,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:19:36,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:19:37,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:37,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:37,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:37,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:37,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:37,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:37,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (1/1) ... [2020-12-23 09:19:37,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:19:37,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:19:37,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:19:37,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:19:37,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (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 09:19:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:19:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:19:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:19:37,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:19:38,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:19:38,194 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2020-12-23 09:19:38,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:38 BoogieIcfgContainer [2020-12-23 09:19:38,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:19:38,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:19:38,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:19:38,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:19:38,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:19:36" (1/3) ... [2020-12-23 09:19:38,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9cd090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:19:38, skipping insertion in model container [2020-12-23 09:19:38,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:36" (2/3) ... [2020-12-23 09:19:38,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9cd090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:19:38, skipping insertion in model container [2020-12-23 09:19:38,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:38" (3/3) ... [2020-12-23 09:19:38,205 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2020-12-23 09:19:38,212 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:19:38,217 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:19:38,237 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:19:38,267 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:19:38,267 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:19:38,267 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:19:38,267 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:19:38,267 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:19:38,268 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:19:38,268 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:19:38,268 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:19:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-12-23 09:19:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 09:19:38,293 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:38,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:38,295 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:38,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:38,301 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2020-12-23 09:19:38,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:38,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588943663] [2020-12-23 09:19:38,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:38,700 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 09:19:38,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588943663] [2020-12-23 09:19:38,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:38,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:19:38,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268912492] [2020-12-23 09:19:38,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:19:38,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:38,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:19:38,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:19:38,741 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-12-23 09:19:38,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:38,791 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-12-23 09:19:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:19:38,793 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-23 09:19:38,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:38,827 INFO L225 Difference]: With dead ends: 144 [2020-12-23 09:19:38,827 INFO L226 Difference]: Without dead ends: 71 [2020-12-23 09:19:38,831 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 09:19:38,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-23 09:19:38,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-23 09:19:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-23 09:19:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-12-23 09:19:38,895 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-12-23 09:19:38,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:38,896 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-12-23 09:19:38,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:19:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-12-23 09:19:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 09:19:38,898 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:38,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:38,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:19:38,900 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:38,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:38,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2020-12-23 09:19:38,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:38,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436455198] [2020-12-23 09:19:38,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:39,074 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 09:19:39,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436455198] [2020-12-23 09:19:39,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:39,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:19:39,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849767391] [2020-12-23 09:19:39,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:19:39,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:39,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:19:39,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:39,079 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-12-23 09:19:39,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:39,090 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-12-23 09:19:39,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:19:39,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-23 09:19:39,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:39,092 INFO L225 Difference]: With dead ends: 71 [2020-12-23 09:19:39,092 INFO L226 Difference]: Without dead ends: 33 [2020-12-23 09:19:39,094 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 09:19:39,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-23 09:19:39,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-23 09:19:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-23 09:19:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-12-23 09:19:39,099 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-12-23 09:19:39,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:39,100 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-12-23 09:19:39,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:19:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-12-23 09:19:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 09:19:39,101 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:39,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:39,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:19:39,101 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:39,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:39,102 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-12-23 09:19:39,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:39,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488952284] [2020-12-23 09:19:39,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:39,209 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 09:19:39,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488952284] [2020-12-23 09:19:39,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:39,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:19:39,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240710725] [2020-12-23 09:19:39,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:19:39,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:39,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:19:39,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:19:39,212 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-12-23 09:19:39,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:39,454 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-12-23 09:19:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:19:39,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-23 09:19:39,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:39,456 INFO L225 Difference]: With dead ends: 60 [2020-12-23 09:19:39,456 INFO L226 Difference]: Without dead ends: 33 [2020-12-23 09:19:39,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:19:39,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-23 09:19:39,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-23 09:19:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-23 09:19:39,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-12-23 09:19:39,462 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-12-23 09:19:39,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:39,463 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-12-23 09:19:39,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:19:39,463 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-12-23 09:19:39,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 09:19:39,464 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:39,464 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] [2020-12-23 09:19:39,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:19:39,465 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:39,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:39,465 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-12-23 09:19:39,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:39,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722723596] [2020-12-23 09:19:39,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:39,633 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 09:19:39,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722723596] [2020-12-23 09:19:39,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:39,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:19:39,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511226700] [2020-12-23 09:19:39,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:19:39,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:39,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:19:39,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:19:39,636 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2020-12-23 09:19:40,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:40,055 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2020-12-23 09:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 09:19:40,055 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-23 09:19:40,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:40,068 INFO L225 Difference]: With dead ends: 196 [2020-12-23 09:19:40,068 INFO L226 Difference]: Without dead ends: 169 [2020-12-23 09:19:40,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-12-23 09:19:40,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-12-23 09:19:40,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-12-23 09:19:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-12-23 09:19:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2020-12-23 09:19:40,108 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2020-12-23 09:19:40,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:40,109 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2020-12-23 09:19:40,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:19:40,111 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2020-12-23 09:19:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 09:19:40,112 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:40,113 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 09:19:40,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:19:40,116 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:40,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:40,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2020-12-23 09:19:40,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:40,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311940194] [2020-12-23 09:19:40,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:40,179 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 09:19:40,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311940194] [2020-12-23 09:19:40,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:40,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:19:40,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965870681] [2020-12-23 09:19:40,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:19:40,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:40,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:19:40,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:40,181 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2020-12-23 09:19:40,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:40,212 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2020-12-23 09:19:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:19:40,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-23 09:19:40,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:40,213 INFO L225 Difference]: With dead ends: 132 [2020-12-23 09:19:40,213 INFO L226 Difference]: Without dead ends: 60 [2020-12-23 09:19:40,216 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 09:19:40,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-12-23 09:19:40,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-12-23 09:19:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-23 09:19:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-12-23 09:19:40,237 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2020-12-23 09:19:40,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:40,237 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-12-23 09:19:40,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:19:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-12-23 09:19:40,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-23 09:19:40,240 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:40,241 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:40,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:19:40,243 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:40,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:40,243 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2020-12-23 09:19:40,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:40,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359607921] [2020-12-23 09:19:40,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:40,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359607921] [2020-12-23 09:19:40,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302050962] [2020-12-23 09:19:40,342 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 09:19:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:40,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:19:40,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:19:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:40,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:19:40,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-12-23 09:19:40,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163769025] [2020-12-23 09:19:40,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:19:40,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:40,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:19:40,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:19:40,647 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 4 states. [2020-12-23 09:19:40,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:40,724 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-12-23 09:19:40,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:19:40,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-12-23 09:19:40,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:40,726 INFO L225 Difference]: With dead ends: 77 [2020-12-23 09:19:40,726 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:19:40,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 09:19:40,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:19:40,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:19:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:19:40,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:19:40,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-12-23 09:19:40,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:40,728 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:19:40,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:19:40,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:19:40,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:19:40,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 09:19:40,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:19:41,590 INFO L189 CegarLoopUtils]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-12-23 09:19:41,591 INFO L185 CegarLoopUtils]: At program point L382(lines 377 385) the Hoare annotation is: false [2020-12-23 09:19:41,591 INFO L189 CegarLoopUtils]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2020-12-23 09:19:41,591 INFO L185 CegarLoopUtils]: At program point L382-1(lines 377 385) the Hoare annotation is: false [2020-12-23 09:19:41,591 INFO L185 CegarLoopUtils]: At program point L382-2(lines 377 385) the Hoare annotation is: false [2020-12-23 09:19:41,592 INFO L189 CegarLoopUtils]: For program point L448-6(lines 448 452) no Hoare annotation was computed. [2020-12-23 09:19:41,592 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2020-12-23 09:19:41,601 INFO L189 CegarLoopUtils]: For program point L333(lines 333 341) no Hoare annotation was computed. [2020-12-23 09:19:41,602 INFO L189 CegarLoopUtils]: For program point L333-1(lines 333 341) no Hoare annotation was computed. [2020-12-23 09:19:41,602 INFO L189 CegarLoopUtils]: For program point L333-2(lines 333 341) no Hoare annotation was computed. [2020-12-23 09:19:41,602 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:19:41,602 INFO L189 CegarLoopUtils]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-12-23 09:19:41,602 INFO L185 CegarLoopUtils]: At program point L53-1(lines 1 895) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse2 .cse3) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))))) [2020-12-23 09:19:41,603 INFO L189 CegarLoopUtils]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2020-12-23 09:19:41,603 INFO L185 CegarLoopUtils]: At program point L53-3(lines 1 895) the Hoare annotation is: false [2020-12-23 09:19:41,603 INFO L189 CegarLoopUtils]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2020-12-23 09:19:41,603 INFO L185 CegarLoopUtils]: At program point L53-5(lines 1 895) the Hoare annotation is: false [2020-12-23 09:19:41,603 INFO L189 CegarLoopUtils]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-12-23 09:19:41,603 INFO L189 CegarLoopUtils]: For program point L87-1(lines 297 303) no Hoare annotation was computed. [2020-12-23 09:19:41,603 INFO L192 CegarLoopUtils]: At program point L170(lines 151 173) the Hoare annotation is: true [2020-12-23 09:19:41,604 INFO L185 CegarLoopUtils]: At program point L517(lines 512 520) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-12-23 09:19:41,604 INFO L185 CegarLoopUtils]: At program point L517-1(lines 512 520) the Hoare annotation is: false [2020-12-23 09:19:41,604 INFO L185 CegarLoopUtils]: At program point L517-2(lines 512 520) the Hoare annotation is: false [2020-12-23 09:19:41,604 INFO L185 CegarLoopUtils]: At program point L304(lines 304 310) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-12-23 09:19:41,604 INFO L185 CegarLoopUtils]: At program point L304-1(lines 304 310) the Hoare annotation is: false [2020-12-23 09:19:41,605 INFO L185 CegarLoopUtils]: At program point L304-2(lines 304 310) the Hoare annotation is: false [2020-12-23 09:19:41,605 INFO L189 CegarLoopUtils]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-12-23 09:19:41,605 INFO L189 CegarLoopUtils]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2020-12-23 09:19:41,605 INFO L185 CegarLoopUtils]: At program point L437(lines 422 440) the Hoare annotation is: false [2020-12-23 09:19:41,605 INFO L189 CegarLoopUtils]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2020-12-23 09:19:41,605 INFO L185 CegarLoopUtils]: At program point L437-1(lines 422 440) the Hoare annotation is: false [2020-12-23 09:19:41,605 INFO L185 CegarLoopUtils]: At program point L437-2(lines 422 440) the Hoare annotation is: false [2020-12-23 09:19:41,606 INFO L189 CegarLoopUtils]: For program point L239(lines 239 245) no Hoare annotation was computed. [2020-12-23 09:19:41,606 INFO L185 CegarLoopUtils]: At program point L206(lines 1 895) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:41,606 INFO L185 CegarLoopUtils]: At program point L239-1(lines 239 245) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-12-23 09:19:41,606 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:19:41,606 INFO L189 CegarLoopUtils]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-12-23 09:19:41,607 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2020-12-23 09:19:41,607 INFO L185 CegarLoopUtils]: At program point L275(lines 228 276) the Hoare annotation is: false [2020-12-23 09:19:41,607 INFO L189 CegarLoopUtils]: For program point L259(lines 259 270) no Hoare annotation was computed. [2020-12-23 09:19:41,607 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:19:41,607 INFO L189 CegarLoopUtils]: For program point L161(lines 161 168) no Hoare annotation was computed. [2020-12-23 09:19:41,607 INFO L192 CegarLoopUtils]: At program point L161-1(lines 161 168) the Hoare annotation is: true [2020-12-23 09:19:41,607 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-23 09:19:41,607 INFO L189 CegarLoopUtils]: For program point L179-1(line 179) no Hoare annotation was computed. [2020-12-23 09:19:41,608 INFO L189 CegarLoopUtils]: For program point L179-2(line 179) no Hoare annotation was computed. [2020-12-23 09:19:41,608 INFO L185 CegarLoopUtils]: At program point L526(lines 521 529) the Hoare annotation is: false [2020-12-23 09:19:41,608 INFO L185 CegarLoopUtils]: At program point L526-1(lines 521 529) the Hoare annotation is: false [2020-12-23 09:19:41,608 INFO L189 CegarLoopUtils]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-12-23 09:19:41,608 INFO L185 CegarLoopUtils]: At program point L526-2(lines 521 529) the Hoare annotation is: false [2020-12-23 09:19:41,608 INFO L189 CegarLoopUtils]: For program point L329(lines 329 346) no Hoare annotation was computed. [2020-12-23 09:19:41,608 INFO L189 CegarLoopUtils]: For program point L329-1(lines 329 346) no Hoare annotation was computed. [2020-12-23 09:19:41,608 INFO L189 CegarLoopUtils]: For program point L329-2(lines 329 346) no Hoare annotation was computed. [2020-12-23 09:19:41,609 INFO L189 CegarLoopUtils]: For program point L230(lines 229 274) no Hoare annotation was computed. [2020-12-23 09:19:41,609 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:19:41,609 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2020-12-23 09:19:41,609 INFO L185 CegarLoopUtils]: At program point L214(lines 209 217) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:41,609 INFO L185 CegarLoopUtils]: At program point L297(lines 296 315) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-12-23 09:19:41,610 INFO L189 CegarLoopUtils]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-12-23 09:19:41,610 INFO L189 CegarLoopUtils]: For program point L231(lines 231 235) no Hoare annotation was computed. [2020-12-23 09:19:41,610 INFO L185 CegarLoopUtils]: At program point L297-2(lines 296 315) the Hoare annotation is: false [2020-12-23 09:19:41,610 INFO L185 CegarLoopUtils]: At program point L297-3(lines 296 315) the Hoare annotation is: false [2020-12-23 09:19:41,610 INFO L185 CegarLoopUtils]: At program point L83-2(lines 83 97) the Hoare annotation is: false [2020-12-23 09:19:41,610 INFO L189 CegarLoopUtils]: For program point L265(lines 265 269) no Hoare annotation was computed. [2020-12-23 09:19:41,610 INFO L189 CegarLoopUtils]: For program point L265-2(lines 297 303) no Hoare annotation was computed. [2020-12-23 09:19:41,610 INFO L189 CegarLoopUtils]: For program point L249(lines 249 255) no Hoare annotation was computed. [2020-12-23 09:19:41,611 INFO L185 CegarLoopUtils]: At program point L249-1(lines 249 255) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-12-23 09:19:41,611 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2020-12-23 09:19:41,611 INFO L189 CegarLoopUtils]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-12-23 09:19:41,611 INFO L189 CegarLoopUtils]: For program point L431-2(lines 431 435) no Hoare annotation was computed. [2020-12-23 09:19:41,611 INFO L189 CegarLoopUtils]: For program point L431-3(lines 431 435) no Hoare annotation was computed. [2020-12-23 09:19:41,611 INFO L189 CegarLoopUtils]: For program point L431-5(lines 431 435) no Hoare annotation was computed. [2020-12-23 09:19:41,612 INFO L189 CegarLoopUtils]: For program point L431-6(lines 431 435) no Hoare annotation was computed. [2020-12-23 09:19:41,612 INFO L189 CegarLoopUtils]: For program point L431-8(lines 431 435) no Hoare annotation was computed. [2020-12-23 09:19:41,612 INFO L185 CegarLoopUtils]: At program point L134(lines 130 136) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:41,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:19:41 BoogieIcfgContainer [2020-12-23 09:19:41,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:19:41,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:19:41,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:19:41,635 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:19:41,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:38" (3/4) ... [2020-12-23 09:19:41,639 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:19:41,658 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:19:41,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:19:41,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:19:41,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:19:41,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:19:41,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:19:41,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:19:41,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2020-12-23 09:19:41,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0 [2020-12-23 09:19:41,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) [2020-12-23 09:19:41,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:19:41,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:19:41,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:19:41,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:19:41,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:19:41,747 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product17.cil.c-witness.graphml [2020-12-23 09:19:41,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:19:41,749 INFO L168 Benchmark]: Toolchain (without parser) took 5453.03 ms. Allocated memory was 160.4 MB in the beginning and 209.7 MB in the end (delta: 49.3 MB). Free memory was 135.6 MB in the beginning and 179.1 MB in the end (delta: -43.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:41,749 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 160.4 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:19:41,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.51 ms. Allocated memory is still 160.4 MB. Free memory was 135.4 MB in the beginning and 114.7 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:41,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.03 ms. Allocated memory is still 160.4 MB. Free memory was 114.6 MB in the beginning and 111.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:41,751 INFO L168 Benchmark]: Boogie Preprocessor took 118.49 ms. Allocated memory is still 160.4 MB. Free memory was 111.7 MB in the beginning and 142.0 MB in the end (delta: -30.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:41,751 INFO L168 Benchmark]: RCFGBuilder took 1082.22 ms. Allocated memory is still 160.4 MB. Free memory was 142.0 MB in the beginning and 91.1 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:41,752 INFO L168 Benchmark]: TraceAbstraction took 3436.40 ms. Allocated memory was 160.4 MB in the beginning and 209.7 MB in the end (delta: 49.3 MB). Free memory was 90.6 MB in the beginning and 185.4 MB in the end (delta: -94.8 MB). Peak memory consumption was 71.4 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:41,752 INFO L168 Benchmark]: Witness Printer took 112.55 ms. Allocated memory is still 209.7 MB. Free memory was 185.4 MB in the beginning and 179.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:41,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 160.4 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 619.51 ms. Allocated memory is still 160.4 MB. Free memory was 135.4 MB in the beginning and 114.7 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 76.03 ms. Allocated memory is still 160.4 MB. Free memory was 114.6 MB in the beginning and 111.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.49 ms. Allocated memory is still 160.4 MB. Free memory was 111.7 MB in the beginning and 142.0 MB in the end (delta: -30.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1082.22 ms. Allocated memory is still 160.4 MB. Free memory was 142.0 MB in the beginning and 91.1 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3436.40 ms. Allocated memory was 160.4 MB in the beginning and 209.7 MB in the end (delta: 49.3 MB). Free memory was 90.6 MB in the beginning and 185.4 MB in the end (delta: -94.8 MB). Peak memory consumption was 71.4 MB. Max. memory is 8.0 GB. * Witness Printer took 112.55 ms. Allocated memory is still 209.7 MB. Free memory was 185.4 MB in the beginning and 179.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 179]: 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: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 329 SDtfs, 516 SDslu, 367 SDs, 0 SdLazy, 104 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 44 NumberOfFragments, 310 HoareAnnotationTreeSize, 30 FomulaSimplifications, 352 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 11358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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...