/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:19:13,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:19:13,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:19:13,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:19:13,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:19:13,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:19:13,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:19:13,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:19:13,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:19:13,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:19:13,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:19:13,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:19:13,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:19:13,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:19:13,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:19:13,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:19:13,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:19:13,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:19:13,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:19:13,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:19:13,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:19:13,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:19:13,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:19:13,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:19:13,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:19:13,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:19:13,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:19:13,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:19:13,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:19:13,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:19:14,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:19:14,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:19:14,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:19:14,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:19:14,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:19:14,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:19:14,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:19:14,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:19:14,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:19:14,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:19:14,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:19:14,020 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 09:19:14,071 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:19:14,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:19:14,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:19:14,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:19:14,077 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:19:14,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:19:14,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:19:14,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:19:14,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:19:14,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:19:14,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:19:14,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:19:14,081 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:19:14,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:19:14,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:19:14,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:19:14,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:19:14,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:19:14,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:19:14,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:19:14,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:19:14,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:19:14,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:19:14,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:19:14,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:19:14,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:19:14,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:19:14,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:19:14,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:19:14,587 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:19:14,588 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:19:14,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c [2020-12-23 09:19:14,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2eef757e8/08bc0b665b6a46f5a469a5f6830f8a88/FLAGd7b7b7cfb [2020-12-23 09:19:15,281 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:19:15,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c [2020-12-23 09:19:15,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2eef757e8/08bc0b665b6a46f5a469a5f6830f8a88/FLAGd7b7b7cfb [2020-12-23 09:19:15,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2eef757e8/08bc0b665b6a46f5a469a5f6830f8a88 [2020-12-23 09:19:15,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:19:15,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:19:15,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:19:15,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:19:15,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:19:15,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:19:15" (1/1) ... [2020-12-23 09:19:15,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6374b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:15, skipping insertion in model container [2020-12-23 09:19:15,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:19:15" (1/1) ... [2020-12-23 09:19:15,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:19:15,631 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] [2020-12-23 09:19:15,875 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c[8881,8894] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~10,] 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~11,] 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~11,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] 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~13,] [2020-12-23 09:19:16,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:19:16,021 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] [2020-12-23 09:19:16,071 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c[8881,8894] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~10,] 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~11,] 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~11,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] 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~13,] [2020-12-23 09:19:16,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:19:16,170 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:19:16,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16 WrapperNode [2020-12-23 09:19:16,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:19:16,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:19:16,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:19:16,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:19:16,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (1/1) ... [2020-12-23 09:19:16,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (1/1) ... [2020-12-23 09:19:16,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:19:16,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:19:16,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:19:16,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:19:16,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (1/1) ... [2020-12-23 09:19:16,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (1/1) ... [2020-12-23 09:19:16,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (1/1) ... [2020-12-23 09:19:16,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (1/1) ... [2020-12-23 09:19:16,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (1/1) ... [2020-12-23 09:19:16,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (1/1) ... [2020-12-23 09:19:16,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (1/1) ... [2020-12-23 09:19:16,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:19:16,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:19:16,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:19:16,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:19:16,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (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 09:19:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:19:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:19:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:19:16,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:19:17,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:19:17,991 INFO L299 CfgBuilder]: Removed 358 assume(true) statements. [2020-12-23 09:19:17,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:17 BoogieIcfgContainer [2020-12-23 09:19:17,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:19:17,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:19:17,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:19:18,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:19:18,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:19:15" (1/3) ... [2020-12-23 09:19:18,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e50fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:19:18, skipping insertion in model container [2020-12-23 09:19:18,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:16" (2/3) ... [2020-12-23 09:19:18,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e50fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:19:18, skipping insertion in model container [2020-12-23 09:19:18,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:17" (3/3) ... [2020-12-23 09:19:18,008 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product63.cil.c [2020-12-23 09:19:18,015 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:19:18,024 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:19:18,045 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:19:18,085 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:19:18,085 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:19:18,086 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:19:18,086 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:19:18,086 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:19:18,086 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:19:18,086 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:19:18,086 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:19:18,111 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states. [2020-12-23 09:19:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 09:19:18,118 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:18,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:18,120 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:18,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:18,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1810150439, now seen corresponding path program 1 times [2020-12-23 09:19:18,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:18,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277653240] [2020-12-23 09:19:18,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:18,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277653240] [2020-12-23 09:19:18,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:18,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:19:18,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142530432] [2020-12-23 09:19:18,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:19:18,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:18,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:19:18,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:19:18,518 INFO L87 Difference]: Start difference. First operand 233 states. Second operand 2 states. [2020-12-23 09:19:18,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:18,577 INFO L93 Difference]: Finished difference Result 460 states and 689 transitions. [2020-12-23 09:19:18,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:19:18,578 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-23 09:19:18,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:18,593 INFO L225 Difference]: With dead ends: 460 [2020-12-23 09:19:18,593 INFO L226 Difference]: Without dead ends: 229 [2020-12-23 09:19:18,598 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 09:19:18,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-12-23 09:19:18,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-12-23 09:19:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-12-23 09:19:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 336 transitions. [2020-12-23 09:19:18,668 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 336 transitions. Word has length 18 [2020-12-23 09:19:18,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:18,668 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 336 transitions. [2020-12-23 09:19:18,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:19:18,669 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 336 transitions. [2020-12-23 09:19:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 09:19:18,670 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:18,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:18,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:19:18,671 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:18,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:18,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1201076285, now seen corresponding path program 1 times [2020-12-23 09:19:18,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:18,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987466090] [2020-12-23 09:19:18,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:18,860 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 09:19:18,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987466090] [2020-12-23 09:19:18,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:18,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:19:18,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413493594] [2020-12-23 09:19:18,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:19:18,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:18,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:19:18,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:18,869 INFO L87 Difference]: Start difference. First operand 229 states and 336 transitions. Second operand 3 states. [2020-12-23 09:19:18,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:18,912 INFO L93 Difference]: Finished difference Result 229 states and 336 transitions. [2020-12-23 09:19:18,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:19:18,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-23 09:19:18,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:18,915 INFO L225 Difference]: With dead ends: 229 [2020-12-23 09:19:18,915 INFO L226 Difference]: Without dead ends: 87 [2020-12-23 09:19:18,919 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 09:19:18,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-12-23 09:19:18,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-12-23 09:19:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-23 09:19:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-12-23 09:19:18,933 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 19 [2020-12-23 09:19:18,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:18,933 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-12-23 09:19:18,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:19:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-12-23 09:19:18,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 09:19:18,935 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:18,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:18,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:19:18,936 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:18,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:18,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1668670364, now seen corresponding path program 1 times [2020-12-23 09:19:18,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:18,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313161487] [2020-12-23 09:19:18,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:19,066 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 09:19:19,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313161487] [2020-12-23 09:19:19,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:19,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:19:19,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842306405] [2020-12-23 09:19:19,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:19:19,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:19,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:19:19,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:19,070 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 3 states. [2020-12-23 09:19:19,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:19,091 INFO L93 Difference]: Finished difference Result 249 states and 369 transitions. [2020-12-23 09:19:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:19:19,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-23 09:19:19,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:19,094 INFO L225 Difference]: With dead ends: 249 [2020-12-23 09:19:19,094 INFO L226 Difference]: Without dead ends: 168 [2020-12-23 09:19:19,095 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 09:19:19,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-12-23 09:19:19,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 164. [2020-12-23 09:19:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-12-23 09:19:19,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 243 transitions. [2020-12-23 09:19:19,114 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 243 transitions. Word has length 24 [2020-12-23 09:19:19,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:19,115 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 243 transitions. [2020-12-23 09:19:19,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:19:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 243 transitions. [2020-12-23 09:19:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 09:19:19,117 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:19,117 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:19,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:19:19,117 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:19,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:19,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1791027038, now seen corresponding path program 1 times [2020-12-23 09:19:19,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:19,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055711863] [2020-12-23 09:19:19,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:19,176 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 09:19:19,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055711863] [2020-12-23 09:19:19,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:19,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:19:19,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807884153] [2020-12-23 09:19:19,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:19:19,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:19,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:19:19,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:19,183 INFO L87 Difference]: Start difference. First operand 164 states and 243 transitions. Second operand 3 states. [2020-12-23 09:19:19,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:19,241 INFO L93 Difference]: Finished difference Result 337 states and 504 transitions. [2020-12-23 09:19:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:19:19,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-23 09:19:19,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:19,244 INFO L225 Difference]: With dead ends: 337 [2020-12-23 09:19:19,244 INFO L226 Difference]: Without dead ends: 179 [2020-12-23 09:19:19,245 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 09:19:19,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-12-23 09:19:19,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2020-12-23 09:19:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-12-23 09:19:19,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 255 transitions. [2020-12-23 09:19:19,279 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 255 transitions. Word has length 27 [2020-12-23 09:19:19,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:19,279 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 255 transitions. [2020-12-23 09:19:19,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:19:19,279 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 255 transitions. [2020-12-23 09:19:19,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 09:19:19,283 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:19,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:19,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:19:19,284 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:19,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:19,285 INFO L82 PathProgramCache]: Analyzing trace with hash 234819321, now seen corresponding path program 1 times [2020-12-23 09:19:19,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:19,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945692961] [2020-12-23 09:19:19,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:19,425 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 09:19:19,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945692961] [2020-12-23 09:19:19,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:19,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:19:19,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573832324] [2020-12-23 09:19:19,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:19:19,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:19,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:19:19,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:19:19,429 INFO L87 Difference]: Start difference. First operand 177 states and 255 transitions. Second operand 5 states. [2020-12-23 09:19:19,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:19,616 INFO L93 Difference]: Finished difference Result 899 states and 1311 transitions. [2020-12-23 09:19:19,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:19:19,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-12-23 09:19:19,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:19,622 INFO L225 Difference]: With dead ends: 899 [2020-12-23 09:19:19,622 INFO L226 Difference]: Without dead ends: 728 [2020-12-23 09:19:19,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:19:19,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-12-23 09:19:19,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 276. [2020-12-23 09:19:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-12-23 09:19:19,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 388 transitions. [2020-12-23 09:19:19,681 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 388 transitions. Word has length 27 [2020-12-23 09:19:19,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:19,682 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 388 transitions. [2020-12-23 09:19:19,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:19:19,682 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 388 transitions. [2020-12-23 09:19:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 09:19:19,685 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:19,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:19,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:19:19,685 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:19,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:19,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1465444421, now seen corresponding path program 1 times [2020-12-23 09:19:19,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:19,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613830918] [2020-12-23 09:19:19,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 09:19:19,799 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 09:19:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 09:19:19,872 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 09:19:19,936 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 09:19:19,937 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 09:19:19,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:19:20,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:19:20 BoogieIcfgContainer [2020-12-23 09:19:20,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:19:20,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:19:20,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:19:20,044 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:19:20,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:17" (3/4) ... [2020-12-23 09:19:20,050 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 09:19:20,161 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product63.cil.c-witness.graphml [2020-12-23 09:19:20,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:19:20,165 INFO L168 Benchmark]: Toolchain (without parser) took 4595.21 ms. Allocated memory was 164.6 MB in the beginning and 206.6 MB in the end (delta: 41.9 MB). Free memory was 138.3 MB in the beginning and 130.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:20,165 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 164.6 MB. Free memory is still 136.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:19:20,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.91 ms. Allocated memory is still 164.6 MB. Free memory was 138.1 MB in the beginning and 115.4 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:20,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.74 ms. Allocated memory is still 164.6 MB. Free memory was 115.4 MB in the beginning and 144.9 MB in the end (delta: -29.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:20,167 INFO L168 Benchmark]: Boogie Preprocessor took 155.57 ms. Allocated memory is still 164.6 MB. Free memory was 144.9 MB in the beginning and 140.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:20,173 INFO L168 Benchmark]: RCFGBuilder took 1488.62 ms. Allocated memory was 164.6 MB in the beginning and 206.6 MB in the end (delta: 41.9 MB). Free memory was 140.7 MB in the beginning and 179.5 MB in the end (delta: -38.8 MB). Peak memory consumption was 92.8 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:20,173 INFO L168 Benchmark]: TraceAbstraction took 2046.73 ms. Allocated memory is still 206.6 MB. Free memory was 179.0 MB in the beginning and 142.3 MB in the end (delta: 36.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:20,173 INFO L168 Benchmark]: Witness Printer took 117.97 ms. Allocated memory is still 206.6 MB. Free memory was 142.3 MB in the beginning and 130.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:20,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 164.6 MB. Free memory is still 136.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 598.91 ms. Allocated memory is still 164.6 MB. Free memory was 138.1 MB in the beginning and 115.4 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 173.74 ms. Allocated memory is still 164.6 MB. Free memory was 115.4 MB in the beginning and 144.9 MB in the end (delta: -29.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 155.57 ms. Allocated memory is still 164.6 MB. Free memory was 144.9 MB in the beginning and 140.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1488.62 ms. Allocated memory was 164.6 MB in the beginning and 206.6 MB in the end (delta: 41.9 MB). Free memory was 140.7 MB in the beginning and 179.5 MB in the end (delta: -38.8 MB). Peak memory consumption was 92.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2046.73 ms. Allocated memory is still 206.6 MB. Free memory was 179.0 MB in the beginning and 142.3 MB in the end (delta: 36.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 8.0 GB. * Witness Printer took 117.97 ms. Allocated memory is still 206.6 MB. Free memory was 142.3 MB in the beginning and 130.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 621]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L514] int waterLevel = 1; [L515] int methaneLevelCritical = 0; [L829] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L172] int retValue_acc ; [L175] retValue_acc = 1 [L176] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L447] int splverifierCounter ; [L448] int tmp ; [L449] int tmp___0 ; [L450] int tmp___1 ; [L451] int tmp___2 ; [L454] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L456] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L458] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L464] tmp = __VERIFIER_nondet_int() [L466] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] COND TRUE waterLevel < 2 [L533] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L474] tmp___0 = __VERIFIER_nondet_int() [L476] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L484] tmp___2 = __VERIFIER_nondet_int() [L486] COND FALSE !(\read(tmp___2)) [L490] tmp___1 = __VERIFIER_nondet_int() [L492] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L434] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L441] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L198] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L205] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L627] int tmp ; [L628] int tmp___0 ; [L629] int tmp___1 ; [L553] int retValue_acc ; [L556] retValue_acc = methaneLevelCritical [L557] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L633] tmp = isMethaneLevelCritical() [L635] COND FALSE !(\read(tmp)) [L585] int retValue_acc ; [L588] retValue_acc = waterLevel [L589] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L639] tmp___0 = getWaterLevel() [L641] COND TRUE tmp___0 == 2 [L348] int retValue_acc ; [L351] retValue_acc = pumpRunning [L352] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L643] tmp___1 = isPumpRunning() [L645] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L621] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 233 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 869 SDtfs, 682 SDslu, 599 SDs, 0 SdLazy, 73 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=276occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 458 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 5388 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...