/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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:19:20,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:19:20,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:19:20,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:19:20,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:19:20,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:19:20,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:19:20,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:19:20,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:19:20,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:19:20,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:19:20,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:19:20,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:19:20,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:19:20,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:19:20,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:19:20,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:19:20,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:19:20,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:19:21,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:19:21,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:19:21,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:19:21,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:19:21,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:19:21,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:19:21,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:19:21,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:19:21,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:19:21,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:19:21,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:19:21,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:19:21,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:19:21,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:19:21,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:19:21,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:19:21,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:19:21,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:19:21,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:19:21,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:19:21,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:19:21,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:19:21,046 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 09:19:21,096 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:19:21,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:19:21,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:19:21,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:19:21,101 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:19:21,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:19:21,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:19:21,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:19:21,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:19:21,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:19:21,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:19:21,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:19:21,106 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:19:21,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:19:21,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:19:21,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:19:21,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:19:21,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:19:21,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:19:21,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:19:21,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:19:21,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:19:21,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:19:21,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:19:21,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:19:21,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:19:21,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:19:21,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:19:21,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:19:21,508 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:19:21,509 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:19:21,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2020-12-23 09:19:21,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a5633cb8c/1024cdfe8b104213ae2e86c943349c03/FLAGb9f4195b9 [2020-12-23 09:19:22,348 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:19:22,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2020-12-23 09:19:22,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a5633cb8c/1024cdfe8b104213ae2e86c943349c03/FLAGb9f4195b9 [2020-12-23 09:19:22,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a5633cb8c/1024cdfe8b104213ae2e86c943349c03 [2020-12-23 09:19:22,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:19:22,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:19:22,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:19:22,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:19:22,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:19:22,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:19:22" (1/1) ... [2020-12-23 09:19:22,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f265ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:22, skipping insertion in model container [2020-12-23 09:19:22,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:19:22" (1/1) ... [2020-12-23 09:19:22,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:19:22,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 09:19:22,922 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_product03.cil.c[1281,1294] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] [2020-12-23 09:19:23,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:19:23,107 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 09:19:23,123 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_product03.cil.c[1281,1294] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] [2020-12-23 09:19:23,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:19:23,273 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:19:23,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23 WrapperNode [2020-12-23 09:19:23,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:19:23,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:19:23,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:19:23,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:19:23,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (1/1) ... [2020-12-23 09:19:23,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (1/1) ... [2020-12-23 09:19:23,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:19:23,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:19:23,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:19:23,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:19:23,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (1/1) ... [2020-12-23 09:19:23,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (1/1) ... [2020-12-23 09:19:23,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (1/1) ... [2020-12-23 09:19:23,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (1/1) ... [2020-12-23 09:19:23,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (1/1) ... [2020-12-23 09:19:23,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (1/1) ... [2020-12-23 09:19:23,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (1/1) ... [2020-12-23 09:19:23,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:19:23,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:19:23,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:19:23,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:19:23,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (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 09:19:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:19:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:19:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:19:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:19:24,488 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:19:24,489 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2020-12-23 09:19:24,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:24 BoogieIcfgContainer [2020-12-23 09:19:24,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:19:24,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:19:24,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:19:24,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:19:24,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:19:22" (1/3) ... [2020-12-23 09:19:24,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c98f65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:19:24, skipping insertion in model container [2020-12-23 09:19:24,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:23" (2/3) ... [2020-12-23 09:19:24,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c98f65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:19:24, skipping insertion in model container [2020-12-23 09:19:24,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:24" (3/3) ... [2020-12-23 09:19:24,501 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-12-23 09:19:24,507 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:19:24,512 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:19:24,528 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:19:24,560 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:19:24,561 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:19:24,561 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:19:24,561 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:19:24,561 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:19:24,561 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:19:24,561 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:19:24,561 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:19:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-12-23 09:19:24,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 09:19:24,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:24,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:24,585 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:24,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:24,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2020-12-23 09:19:24,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:24,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198909769] [2020-12-23 09:19:24,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:24,906 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 09:19:24,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198909769] [2020-12-23 09:19:24,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:24,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:19:24,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096431406] [2020-12-23 09:19:24,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:19:24,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:24,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:19:24,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:19:24,939 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2020-12-23 09:19:24,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:24,985 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2020-12-23 09:19:24,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:19:24,986 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-23 09:19:24,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:24,995 INFO L225 Difference]: With dead ends: 112 [2020-12-23 09:19:24,995 INFO L226 Difference]: Without dead ends: 55 [2020-12-23 09:19:24,999 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 09:19:25,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-23 09:19:25,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-23 09:19:25,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-23 09:19:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-12-23 09:19:25,043 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-12-23 09:19:25,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:25,043 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-12-23 09:19:25,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:19:25,044 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-12-23 09:19:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 09:19:25,045 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:25,045 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 09:19:25,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:19:25,046 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:25,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:25,047 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2020-12-23 09:19:25,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:25,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087964177] [2020-12-23 09:19:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:25,231 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 09:19:25,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087964177] [2020-12-23 09:19:25,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:25,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:19:25,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013958596] [2020-12-23 09:19:25,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:19:25,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:25,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:19:25,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:25,242 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-12-23 09:19:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:25,255 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-12-23 09:19:25,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:19:25,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-23 09:19:25,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:25,257 INFO L225 Difference]: With dead ends: 55 [2020-12-23 09:19:25,257 INFO L226 Difference]: Without dead ends: 29 [2020-12-23 09:19:25,258 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 09:19:25,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-23 09:19:25,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-23 09:19:25,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-23 09:19:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-12-23 09:19:25,268 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-12-23 09:19:25,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:25,269 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-12-23 09:19:25,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:19:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-12-23 09:19:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 09:19:25,270 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:25,270 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 09:19:25,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:19:25,271 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:25,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:25,275 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2020-12-23 09:19:25,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:25,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894005125] [2020-12-23 09:19:25,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:25,484 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 09:19:25,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894005125] [2020-12-23 09:19:25,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:25,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:19:25,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924129629] [2020-12-23 09:19:25,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:19:25,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:25,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:19:25,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:19:25,488 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2020-12-23 09:19:25,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:25,698 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2020-12-23 09:19:25,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:19:25,699 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-23 09:19:25,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:25,702 INFO L225 Difference]: With dead ends: 98 [2020-12-23 09:19:25,702 INFO L226 Difference]: Without dead ends: 75 [2020-12-23 09:19:25,703 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 09:19:25,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-23 09:19:25,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2020-12-23 09:19:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-23 09:19:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-12-23 09:19:25,716 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-12-23 09:19:25,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:25,717 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-12-23 09:19:25,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:19:25,717 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-12-23 09:19:25,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 09:19:25,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:25,719 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 09:19:25,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:19:25,719 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:25,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:25,720 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2020-12-23 09:19:25,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:25,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074553752] [2020-12-23 09:19:25,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:25,927 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 09:19:25,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074553752] [2020-12-23 09:19:25,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:25,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:19:25,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967290614] [2020-12-23 09:19:25,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:19:25,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:25,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:19:25,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:19:25,936 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 8 states. [2020-12-23 09:19:26,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:26,338 INFO L93 Difference]: Finished difference Result 281 states and 435 transitions. [2020-12-23 09:19:26,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 09:19:26,339 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-12-23 09:19:26,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:26,344 INFO L225 Difference]: With dead ends: 281 [2020-12-23 09:19:26,344 INFO L226 Difference]: Without dead ends: 239 [2020-12-23 09:19:26,346 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 09:19:26,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-12-23 09:19:26,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 118. [2020-12-23 09:19:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-23 09:19:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2020-12-23 09:19:26,372 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2020-12-23 09:19:26,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:26,372 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2020-12-23 09:19:26,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:19:26,372 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2020-12-23 09:19:26,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 09:19:26,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:26,374 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 09:19:26,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:19:26,374 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:26,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:26,375 INFO L82 PathProgramCache]: Analyzing trace with hash -473529446, now seen corresponding path program 1 times [2020-12-23 09:19:26,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:26,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087153165] [2020-12-23 09:19:26,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:26,478 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 09:19:26,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087153165] [2020-12-23 09:19:26,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:26,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:19:26,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90655026] [2020-12-23 09:19:26,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:19:26,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:26,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:19:26,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:26,481 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 3 states. [2020-12-23 09:19:26,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:26,512 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2020-12-23 09:19:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:19:26,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-12-23 09:19:26,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:26,516 INFO L225 Difference]: With dead ends: 224 [2020-12-23 09:19:26,516 INFO L226 Difference]: Without dead ends: 112 [2020-12-23 09:19:26,517 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 09:19:26,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-12-23 09:19:26,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-12-23 09:19:26,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-12-23 09:19:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2020-12-23 09:19:26,549 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2020-12-23 09:19:26,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:26,549 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2020-12-23 09:19:26,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:19:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2020-12-23 09:19:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:19:26,552 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:26,552 INFO L422 BasicCegarLoop]: trace histogram [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 09:19:26,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:19:26,553 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:26,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:26,557 INFO L82 PathProgramCache]: Analyzing trace with hash 718124842, now seen corresponding path program 1 times [2020-12-23 09:19:26,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:26,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862999342] [2020-12-23 09:19:26,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:26,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862999342] [2020-12-23 09:19:26,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046576738] [2020-12-23 09:19:26,703 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 09:19:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:26,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:19:26,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:19:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:26,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:19:26,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-12-23 09:19:26,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333755111] [2020-12-23 09:19:26,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:19:26,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:26,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:19:26,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:19:26,959 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 4 states. [2020-12-23 09:19:27,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:27,058 INFO L93 Difference]: Finished difference Result 146 states and 197 transitions. [2020-12-23 09:19:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:19:27,059 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-23 09:19:27,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:27,060 INFO L225 Difference]: With dead ends: 146 [2020-12-23 09:19:27,060 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:19:27,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 09:19:27,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:19:27,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:19:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:19:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:19:27,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-12-23 09:19:27,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:27,062 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:19:27,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:19:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:19:27,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:19:27,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 09:19:27,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:19:27,991 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-23 09:19:27,991 INFO L189 CegarLoopUtils]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-12-23 09:19:27,991 INFO L189 CegarLoopUtils]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-12-23 09:19:27,992 INFO L189 CegarLoopUtils]: For program point L779-1(lines 542 548) no Hoare annotation was computed. [2020-12-23 09:19:27,992 INFO L185 CegarLoopUtils]: At program point L746-1(lines 1 858) the Hoare annotation is: (let ((.cse4 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0)))) (or (and (= ~waterLevel~0 1) .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3) (and .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse5) (and .cse4 .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse5))) [2020-12-23 09:19:27,992 INFO L189 CegarLoopUtils]: For program point L746-2(lines 746 759) no Hoare annotation was computed. [2020-12-23 09:19:27,992 INFO L185 CegarLoopUtils]: At program point L746-3(lines 1 858) the Hoare annotation is: false [2020-12-23 09:19:27,993 INFO L189 CegarLoopUtils]: For program point L746-4(lines 746 759) no Hoare annotation was computed. [2020-12-23 09:19:27,993 INFO L185 CegarLoopUtils]: At program point L746-5(lines 1 858) the Hoare annotation is: false [2020-12-23 09:19:27,993 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:19:27,993 INFO L189 CegarLoopUtils]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-12-23 09:19:27,993 INFO L189 CegarLoopUtils]: For program point L664-3(lines 664 668) no Hoare annotation was computed. [2020-12-23 09:19:27,993 INFO L189 CegarLoopUtils]: For program point L664-6(lines 664 668) no Hoare annotation was computed. [2020-12-23 09:19:27,993 INFO L189 CegarLoopUtils]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-12-23 09:19:27,994 INFO L192 CegarLoopUtils]: At program point L846-1(lines 846 853) the Hoare annotation is: true [2020-12-23 09:19:27,994 INFO L185 CegarLoopUtils]: At program point L549(lines 549 555) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (<= 1 ~waterLevel~0) .cse1))) [2020-12-23 09:19:27,994 INFO L185 CegarLoopUtils]: At program point L549-1(lines 549 555) the Hoare annotation is: false [2020-12-23 09:19:27,994 INFO L185 CegarLoopUtils]: At program point L549-2(lines 549 555) the Hoare annotation is: false [2020-12-23 09:19:27,994 INFO L185 CegarLoopUtils]: At program point L450(lines 445 453) 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 09:19:27,995 INFO L189 CegarLoopUtils]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-12-23 09:19:27,995 INFO L185 CegarLoopUtils]: At program point L518(lines 469 519) the Hoare annotation is: false [2020-12-23 09:19:27,995 INFO L185 CegarLoopUtils]: At program point L733(lines 728 736) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2020-12-23 09:19:27,995 INFO L185 CegarLoopUtils]: At program point L733-1(lines 728 736) the Hoare annotation is: false [2020-12-23 09:19:27,995 INFO L185 CegarLoopUtils]: At program point L733-2(lines 728 736) the Hoare annotation is: false [2020-12-23 09:19:27,995 INFO L185 CegarLoopUtils]: At program point L601(lines 596 604) the Hoare annotation is: false [2020-12-23 09:19:27,996 INFO L185 CegarLoopUtils]: At program point L601-1(lines 596 604) the Hoare annotation is: false [2020-12-23 09:19:27,996 INFO L185 CegarLoopUtils]: At program point L601-2(lines 596 604) the Hoare annotation is: false [2020-12-23 09:19:27,996 INFO L189 CegarLoopUtils]: For program point L750(lines 750 756) no Hoare annotation was computed. [2020-12-23 09:19:27,996 INFO L189 CegarLoopUtils]: For program point L750-2(lines 750 756) no Hoare annotation was computed. [2020-12-23 09:19:27,996 INFO L189 CegarLoopUtils]: For program point L750-4(lines 750 756) no Hoare annotation was computed. [2020-12-23 09:19:27,996 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:19:27,996 INFO L189 CegarLoopUtils]: For program point L471(lines 470 517) no Hoare annotation was computed. [2020-12-23 09:19:27,996 INFO L189 CegarLoopUtils]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-12-23 09:19:27,997 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-23 09:19:27,997 INFO L189 CegarLoopUtils]: For program point L506(lines 506 512) no Hoare annotation was computed. [2020-12-23 09:19:27,997 INFO L185 CegarLoopUtils]: At program point L506-1(lines 542 548) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (<= 1 ~waterLevel~0) .cse1))) [2020-12-23 09:19:27,997 INFO L189 CegarLoopUtils]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-12-23 09:19:27,997 INFO L189 CegarLoopUtils]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-12-23 09:19:27,998 INFO L185 CegarLoopUtils]: At program point L490-1(lines 490 496) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse0 .cse1 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0))) (and .cse2 (not (= 0 ~systemActive~0)) .cse3 .cse0 .cse1 .cse4))) [2020-12-23 09:19:27,998 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:19:27,998 INFO L185 CegarLoopUtils]: At program point L442(lines 1 858) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:27,998 INFO L192 CegarLoopUtils]: At program point L855(lines 836 858) the Hoare annotation is: true [2020-12-23 09:19:27,998 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-23 09:19:27,998 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-23 09:19:27,998 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-23 09:19:27,999 INFO L185 CegarLoopUtils]: At program point L542(lines 541 560) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (<= 1 ~waterLevel~0) .cse1))) [2020-12-23 09:19:27,999 INFO L189 CegarLoopUtils]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2020-12-23 09:19:27,999 INFO L185 CegarLoopUtils]: At program point L542-2(lines 541 560) the Hoare annotation is: false [2020-12-23 09:19:27,999 INFO L185 CegarLoopUtils]: At program point L542-3(lines 541 560) the Hoare annotation is: false [2020-12-23 09:19:27,999 INFO L185 CegarLoopUtils]: At program point L823(lines 819 825) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:28,000 INFO L185 CegarLoopUtils]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2020-12-23 09:19:28,000 INFO L189 CegarLoopUtils]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-12-23 09:19:28,000 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:19:28,000 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-23 09:19:28,000 INFO L189 CegarLoopUtils]: For program point L776(line 776) no Hoare annotation was computed. [2020-12-23 09:19:28,000 INFO L189 CegarLoopUtils]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-12-23 09:19:28,001 INFO L185 CegarLoopUtils]: At program point L645-1(lines 645 651) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (<= 1 ~waterLevel~0) .cse1))) [2020-12-23 09:19:28,001 INFO L189 CegarLoopUtils]: For program point L480(lines 480 486) no Hoare annotation was computed. [2020-12-23 09:19:28,001 INFO L185 CegarLoopUtils]: At program point L480-1(lines 480 486) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse0 .cse1 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0))) (and .cse2 (not (= 0 ~systemActive~0)) .cse3 .cse0 .cse1 .cse4))) [2020-12-23 09:19:28,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:19:28 BoogieIcfgContainer [2020-12-23 09:19:28,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:19:28,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:19:28,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:19:28,026 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:19:28,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:24" (3/4) ... [2020-12-23 09:19:28,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:19:28,047 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:19:28,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:19:28,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:19:28,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:19:28,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:19:28,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:19:28,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:19:28,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2020-12-23 09:19:28,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == systemActive) && tmp == systemActive) && tmp == waterLevel) && pumpRunning == 0 [2020-12-23 09:19:28,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && \result == waterLevel) && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0))) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0)) [2020-12-23 09:19:28,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((((\result == waterLevel && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:19:28,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((((\result == waterLevel && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:19:28,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-23 09:19:28,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-23 09:19:28,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-23 09:19:28,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-23 09:19:28,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:19:28,139 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product03.cil.c-witness.graphml [2020-12-23 09:19:28,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:19:28,141 INFO L168 Benchmark]: Toolchain (without parser) took 5486.81 ms. Allocated memory was 169.9 MB in the beginning and 204.5 MB in the end (delta: 34.6 MB). Free memory was 144.3 MB in the beginning and 81.8 MB in the end (delta: 62.5 MB). Peak memory consumption was 97.8 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:28,141 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 169.9 MB. Free memory is still 141.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:19:28,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.72 ms. Allocated memory is still 169.9 MB. Free memory was 144.1 MB in the beginning and 124.1 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:28,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.89 ms. Allocated memory is still 169.9 MB. Free memory was 123.9 MB in the beginning and 121.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:28,144 INFO L168 Benchmark]: Boogie Preprocessor took 65.97 ms. Allocated memory is still 169.9 MB. Free memory was 121.4 MB in the beginning and 119.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:28,144 INFO L168 Benchmark]: RCFGBuilder took 1066.87 ms. Allocated memory is still 169.9 MB. Free memory was 119.5 MB in the beginning and 109.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:28,145 INFO L168 Benchmark]: TraceAbstraction took 3532.68 ms. Allocated memory was 169.9 MB in the beginning and 204.5 MB in the end (delta: 34.6 MB). Free memory was 109.3 MB in the beginning and 87.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:28,145 INFO L168 Benchmark]: Witness Printer took 113.46 ms. Allocated memory is still 204.5 MB. Free memory was 87.1 MB in the beginning and 81.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:28,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 169.9 MB. Free memory is still 141.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 614.72 ms. Allocated memory is still 169.9 MB. Free memory was 144.1 MB in the beginning and 124.1 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 79.89 ms. Allocated memory is still 169.9 MB. Free memory was 123.9 MB in the beginning and 121.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 65.97 ms. Allocated memory is still 169.9 MB. Free memory was 121.4 MB in the beginning and 119.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1066.87 ms. Allocated memory is still 169.9 MB. Free memory was 119.5 MB in the beginning and 109.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3532.68 ms. Allocated memory was 169.9 MB in the beginning and 204.5 MB in the end (delta: 34.6 MB). Free memory was 109.3 MB in the beginning and 87.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 8.0 GB. * Witness Printer took 113.46 ms. Allocated memory is still 204.5 MB. Free memory was 87.1 MB in the beginning and 81.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 645]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((((\result == waterLevel && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((((\result == waterLevel && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && \result == waterLevel) && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0))) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0)) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == systemActive) && tmp == systemActive) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 292 SDtfs, 484 SDslu, 508 SDs, 0 SdLazy, 105 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred 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, 148 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 58 NumberOfFragments, 370 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1373 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 10486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 23/28 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...