/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_spec5_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:21:04,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:21:04,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:21:04,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:21:04,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:21:04,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:21:04,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:21:04,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:21:04,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:21:04,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:21:04,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:21:04,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:21:04,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:21:04,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:21:04,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:21:04,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:21:04,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:21:04,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:21:04,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:21:05,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:21:05,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:21:05,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:21:05,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:21:05,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:21:05,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:21:05,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:21:05,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:21:05,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:21:05,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:21:05,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:21:05,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:21:05,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:21:05,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:21:05,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:21:05,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:21:05,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:21:05,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:21:05,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:21:05,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:21:05,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:21:05,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:21:05,068 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 09:21:05,098 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:21:05,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:21:05,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:21:05,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:21:05,101 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:21:05,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:21:05,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:21:05,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:21:05,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:21:05,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:21:05,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:21:05,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:21:05,102 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:21:05,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:21:05,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:21:05,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:21:05,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:21:05,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:21:05,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:21:05,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:21:05,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:21:05,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:21:05,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:21:05,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:21:05,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:21:05,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:21:05,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:21:05,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:21:05,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:21:05,537 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:21:05,537 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:21:05,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2020-12-23 09:21:05,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5d39c34c6/c4af5cb1a89c43e088c4f0d6cc3860c1/FLAG4c4dae576 [2020-12-23 09:21:06,328 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:21:06,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2020-12-23 09:21:06,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5d39c34c6/c4af5cb1a89c43e088c4f0d6cc3860c1/FLAG4c4dae576 [2020-12-23 09:21:06,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5d39c34c6/c4af5cb1a89c43e088c4f0d6cc3860c1 [2020-12-23 09:21:06,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:21:06,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:21:06,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:21:06,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:21:06,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:21:06,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ae5606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06, skipping insertion in model container [2020-12-23 09:21:06,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:21:06,436 INFO L178 MainTranslator]: Built tables and reachable declarations 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[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2020-12-23 09:21:06,738 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_spec5_product52.cil.c[12348,12361] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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~4,] 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[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2020-12-23 09:21:06,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:21:06,851 INFO L203 MainTranslator]: Completed pre-run 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[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2020-12-23 09:21:06,913 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_spec5_product52.cil.c[12348,12361] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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~4,] 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[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2020-12-23 09:21:06,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:21:07,053 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:21:07,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07 WrapperNode [2020-12-23 09:21:07,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:21:07,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:21:07,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:21:07,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:21:07,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (1/1) ... [2020-12-23 09:21:07,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (1/1) ... [2020-12-23 09:21:07,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:21:07,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:21:07,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:21:07,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:21:07,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (1/1) ... [2020-12-23 09:21:07,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (1/1) ... [2020-12-23 09:21:07,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (1/1) ... [2020-12-23 09:21:07,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (1/1) ... [2020-12-23 09:21:07,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (1/1) ... [2020-12-23 09:21:07,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (1/1) ... [2020-12-23 09:21:07,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (1/1) ... [2020-12-23 09:21:07,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:21:07,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:21:07,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:21:07,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:21:07,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (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 09:21:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:21:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:21:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:21:07,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:21:08,549 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:21:08,549 INFO L299 CfgBuilder]: Removed 176 assume(true) statements. [2020-12-23 09:21:08,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:21:08 BoogieIcfgContainer [2020-12-23 09:21:08,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:21:08,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:21:08,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:21:08,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:21:08,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:21:06" (1/3) ... [2020-12-23 09:21:08,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188ddb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:21:08, skipping insertion in model container [2020-12-23 09:21:08,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:07" (2/3) ... [2020-12-23 09:21:08,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188ddb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:21:08, skipping insertion in model container [2020-12-23 09:21:08,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:21:08" (3/3) ... [2020-12-23 09:21:08,562 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2020-12-23 09:21:08,569 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:21:08,575 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:21:08,595 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:21:08,625 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:21:08,626 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:21:08,626 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:21:08,626 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:21:08,626 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:21:08,627 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:21:08,627 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:21:08,627 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:21:08,648 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-12-23 09:21:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 09:21:08,656 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:08,657 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 09:21:08,658 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:08,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:08,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1472110058, now seen corresponding path program 1 times [2020-12-23 09:21:08,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:08,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850533550] [2020-12-23 09:21:08,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:08,986 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 09:21:08,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850533550] [2020-12-23 09:21:08,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:08,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:08,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093031985] [2020-12-23 09:21:08,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:21:08,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:09,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:21:09,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:21:09,014 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2020-12-23 09:21:09,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:09,059 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2020-12-23 09:21:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:21:09,060 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-23 09:21:09,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:09,074 INFO L225 Difference]: With dead ends: 249 [2020-12-23 09:21:09,074 INFO L226 Difference]: Without dead ends: 124 [2020-12-23 09:21:09,079 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 09:21:09,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-12-23 09:21:09,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-12-23 09:21:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-23 09:21:09,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2020-12-23 09:21:09,135 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2020-12-23 09:21:09,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:09,136 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2020-12-23 09:21:09,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:21:09,136 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2020-12-23 09:21:09,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 09:21:09,137 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:09,138 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] [2020-12-23 09:21:09,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:21:09,138 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:09,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:09,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1016837685, now seen corresponding path program 1 times [2020-12-23 09:21:09,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:09,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635995206] [2020-12-23 09:21:09,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:09,316 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 09:21:09,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635995206] [2020-12-23 09:21:09,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:09,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:21:09,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494810980] [2020-12-23 09:21:09,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:09,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:09,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:09,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:09,321 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2020-12-23 09:21:09,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:09,335 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2020-12-23 09:21:09,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:09,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-23 09:21:09,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:09,337 INFO L225 Difference]: With dead ends: 124 [2020-12-23 09:21:09,338 INFO L226 Difference]: Without dead ends: 53 [2020-12-23 09:21:09,339 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 09:21:09,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-23 09:21:09,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-23 09:21:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-23 09:21:09,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-12-23 09:21:09,346 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2020-12-23 09:21:09,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:09,347 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-12-23 09:21:09,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-23 09:21:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:21:09,348 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:09,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:09,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:21:09,349 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:09,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:09,350 INFO L82 PathProgramCache]: Analyzing trace with hash 632373730, now seen corresponding path program 1 times [2020-12-23 09:21:09,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:09,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847629110] [2020-12-23 09:21:09,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:09,460 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 09:21:09,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847629110] [2020-12-23 09:21:09,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:09,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:21:09,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817121918] [2020-12-23 09:21:09,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:21:09,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:09,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:21:09,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:09,469 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 5 states. [2020-12-23 09:21:09,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:09,584 INFO L93 Difference]: Finished difference Result 125 states and 183 transitions. [2020-12-23 09:21:09,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:21:09,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-23 09:21:09,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:09,590 INFO L225 Difference]: With dead ends: 125 [2020-12-23 09:21:09,590 INFO L226 Difference]: Without dead ends: 79 [2020-12-23 09:21:09,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:21:09,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-23 09:21:09,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2020-12-23 09:21:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-23 09:21:09,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2020-12-23 09:21:09,615 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2020-12-23 09:21:09,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:09,616 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2020-12-23 09:21:09,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2020-12-23 09:21:09,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 09:21:09,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:09,619 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 09:21:09,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:21:09,619 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:09,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:09,621 INFO L82 PathProgramCache]: Analyzing trace with hash 505882496, now seen corresponding path program 1 times [2020-12-23 09:21:09,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:09,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942944539] [2020-12-23 09:21:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:09,758 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 09:21:09,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942944539] [2020-12-23 09:21:09,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:09,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:09,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595826917] [2020-12-23 09:21:09,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:09,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:09,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:09,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:09,762 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand 3 states. [2020-12-23 09:21:09,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:09,809 INFO L93 Difference]: Finished difference Result 167 states and 245 transitions. [2020-12-23 09:21:09,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:09,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-23 09:21:09,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:09,811 INFO L225 Difference]: With dead ends: 167 [2020-12-23 09:21:09,811 INFO L226 Difference]: Without dead ends: 99 [2020-12-23 09:21:09,812 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 09:21:09,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-12-23 09:21:09,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2020-12-23 09:21:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-12-23 09:21:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2020-12-23 09:21:09,827 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 28 [2020-12-23 09:21:09,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:09,827 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2020-12-23 09:21:09,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:09,828 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2020-12-23 09:21:09,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-23 09:21:09,829 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:09,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:09,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:21:09,829 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:09,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:09,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1201567211, now seen corresponding path program 1 times [2020-12-23 09:21:09,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:09,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866577150] [2020-12-23 09:21:09,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:09,970 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 09:21:09,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866577150] [2020-12-23 09:21:09,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:09,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:21:09,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040412517] [2020-12-23 09:21:09,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:21:09,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:09,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:21:09,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:09,973 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand 5 states. [2020-12-23 09:21:10,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:10,110 INFO L93 Difference]: Finished difference Result 314 states and 445 transitions. [2020-12-23 09:21:10,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:21:10,111 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-23 09:21:10,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:10,113 INFO L225 Difference]: With dead ends: 314 [2020-12-23 09:21:10,113 INFO L226 Difference]: Without dead ends: 224 [2020-12-23 09:21:10,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:21:10,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-12-23 09:21:10,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 95. [2020-12-23 09:21:10,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-12-23 09:21:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2020-12-23 09:21:10,132 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 29 [2020-12-23 09:21:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:10,132 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2020-12-23 09:21:10,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2020-12-23 09:21:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:21:10,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:10,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:10,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:21:10,135 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:10,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:10,135 INFO L82 PathProgramCache]: Analyzing trace with hash 113415631, now seen corresponding path program 1 times [2020-12-23 09:21:10,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:10,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374280807] [2020-12-23 09:21:10,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:10,206 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 09:21:10,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374280807] [2020-12-23 09:21:10,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:10,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:21:10,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399830205] [2020-12-23 09:21:10,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:21:10,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:10,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:21:10,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:10,209 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand 5 states. [2020-12-23 09:21:10,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:10,294 INFO L93 Difference]: Finished difference Result 276 states and 380 transitions. [2020-12-23 09:21:10,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:21:10,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 09:21:10,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:10,297 INFO L225 Difference]: With dead ends: 276 [2020-12-23 09:21:10,297 INFO L226 Difference]: Without dead ends: 188 [2020-12-23 09:21:10,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:21:10,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-23 09:21:10,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 101. [2020-12-23 09:21:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-23 09:21:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2020-12-23 09:21:10,316 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 34 [2020-12-23 09:21:10,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:10,316 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2020-12-23 09:21:10,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2020-12-23 09:21:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:21:10,318 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:10,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:10,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:21:10,319 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:10,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:10,319 INFO L82 PathProgramCache]: Analyzing trace with hash 814480209, now seen corresponding path program 1 times [2020-12-23 09:21:10,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:10,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354524311] [2020-12-23 09:21:10,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:10,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:10,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354524311] [2020-12-23 09:21:10,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:10,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:21:10,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393518787] [2020-12-23 09:21:10,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:21:10,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:10,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:21:10,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:21:10,384 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand 4 states. [2020-12-23 09:21:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:10,432 INFO L93 Difference]: Finished difference Result 249 states and 338 transitions. [2020-12-23 09:21:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:21:10,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-23 09:21:10,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:10,434 INFO L225 Difference]: With dead ends: 249 [2020-12-23 09:21:10,435 INFO L226 Difference]: Without dead ends: 155 [2020-12-23 09:21:10,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-12-23 09:21:10,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2020-12-23 09:21:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-12-23 09:21:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions. [2020-12-23 09:21:10,458 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 34 [2020-12-23 09:21:10,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:10,459 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions. [2020-12-23 09:21:10,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:21:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2020-12-23 09:21:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:21:10,462 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:10,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:10,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:21:10,464 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:10,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:10,467 INFO L82 PathProgramCache]: Analyzing trace with hash 227674195, now seen corresponding path program 1 times [2020-12-23 09:21:10,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:10,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379063767] [2020-12-23 09:21:10,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:10,598 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 09:21:10,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379063767] [2020-12-23 09:21:10,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:10,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:10,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549947137] [2020-12-23 09:21:10,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:10,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:10,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:10,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:10,601 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand 3 states. [2020-12-23 09:21:10,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:10,656 INFO L93 Difference]: Finished difference Result 253 states and 341 transitions. [2020-12-23 09:21:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:10,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-23 09:21:10,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:10,658 INFO L225 Difference]: With dead ends: 253 [2020-12-23 09:21:10,658 INFO L226 Difference]: Without dead ends: 155 [2020-12-23 09:21:10,659 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 09:21:10,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-12-23 09:21:10,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-12-23 09:21:10,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-23 09:21:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2020-12-23 09:21:10,687 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 34 [2020-12-23 09:21:10,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:10,687 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2020-12-23 09:21:10,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:10,688 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2020-12-23 09:21:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 09:21:10,697 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:10,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:10,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:21:10,698 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:10,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:10,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1168271981, now seen corresponding path program 1 times [2020-12-23 09:21:10,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:10,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351868213] [2020-12-23 09:21:10,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:10,858 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 09:21:10,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351868213] [2020-12-23 09:21:10,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:10,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:21:10,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510969726] [2020-12-23 09:21:10,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:21:10,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:10,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:21:10,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:21:10,861 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand 7 states. [2020-12-23 09:21:11,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:11,272 INFO L93 Difference]: Finished difference Result 720 states and 976 transitions. [2020-12-23 09:21:11,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 09:21:11,273 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-12-23 09:21:11,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:11,276 INFO L225 Difference]: With dead ends: 720 [2020-12-23 09:21:11,277 INFO L226 Difference]: Without dead ends: 622 [2020-12-23 09:21:11,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:21:11,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2020-12-23 09:21:11,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 257. [2020-12-23 09:21:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-12-23 09:21:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 338 transitions. [2020-12-23 09:21:11,310 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 338 transitions. Word has length 35 [2020-12-23 09:21:11,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:11,311 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 338 transitions. [2020-12-23 09:21:11,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:21:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 338 transitions. [2020-12-23 09:21:11,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 09:21:11,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:11,312 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:11,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:21:11,313 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:11,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:11,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1462781310, now seen corresponding path program 1 times [2020-12-23 09:21:11,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:11,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659354133] [2020-12-23 09:21:11,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:11,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659354133] [2020-12-23 09:21:11,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197858601] [2020-12-23 09:21:11,405 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 09:21:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:11,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 09:21:11,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:21:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:11,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:21:11,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-12-23 09:21:11,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270218298] [2020-12-23 09:21:11,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:21:11,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:11,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:21:11,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:21:11,738 INFO L87 Difference]: Start difference. First operand 257 states and 338 transitions. Second operand 10 states. [2020-12-23 09:21:12,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:12,148 INFO L93 Difference]: Finished difference Result 590 states and 787 transitions. [2020-12-23 09:21:12,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:21:12,149 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-12-23 09:21:12,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:12,150 INFO L225 Difference]: With dead ends: 590 [2020-12-23 09:21:12,150 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:21:12,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-12-23 09:21:12,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:21:12,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:21:12,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:21:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:21:12,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-23 09:21:12,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:12,153 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:21:12,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:21:12,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:21:12,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:21:12,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:21:12,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:21:12,870 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 81 [2020-12-23 09:21:13,011 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2020-12-23 09:21:13,128 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2020-12-23 09:21:13,345 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 92 [2020-12-23 09:21:13,761 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2020-12-23 09:21:13,974 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 16 [2020-12-23 09:21:14,133 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2020-12-23 09:21:14,368 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2020-12-23 09:21:14,617 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 32 [2020-12-23 09:21:14,892 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-12-23 09:21:15,080 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2020-12-23 09:21:15,308 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 27 [2020-12-23 09:21:15,748 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 29 [2020-12-23 09:21:16,070 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-12-23 09:21:16,085 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-12-23 09:21:16,085 INFO L189 CegarLoopUtils]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-12-23 09:21:16,085 INFO L189 CegarLoopUtils]: For program point L597(lines 597 601) no Hoare annotation was computed. [2020-12-23 09:21:16,086 INFO L185 CegarLoopUtils]: At program point L531(lines 526 533) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:16,086 INFO L189 CegarLoopUtils]: For program point L797(lines 797 814) no Hoare annotation was computed. [2020-12-23 09:21:16,086 INFO L189 CegarLoopUtils]: For program point L797-1(lines 797 814) no Hoare annotation was computed. [2020-12-23 09:21:16,086 INFO L189 CegarLoopUtils]: For program point L797-2(lines 797 814) no Hoare annotation was computed. [2020-12-23 09:21:16,086 INFO L189 CegarLoopUtils]: For program point L797-3(lines 797 814) no Hoare annotation was computed. [2020-12-23 09:21:16,086 INFO L189 CegarLoopUtils]: For program point L797-4(lines 797 814) no Hoare annotation was computed. [2020-12-23 09:21:16,086 INFO L189 CegarLoopUtils]: For program point L797-5(lines 797 814) no Hoare annotation was computed. [2020-12-23 09:21:16,086 INFO L189 CegarLoopUtils]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-12-23 09:21:16,087 INFO L192 CegarLoopUtils]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2020-12-23 09:21:16,087 INFO L185 CegarLoopUtils]: At program point L765(lines 761 783) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:21:16,087 INFO L189 CegarLoopUtils]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-12-23 09:21:16,088 INFO L185 CegarLoopUtils]: At program point L765-1(lines 761 783) the Hoare annotation is: false [2020-12-23 09:21:16,088 INFO L185 CegarLoopUtils]: At program point L732-1(lines 1 1011) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-12-23 09:21:16,088 INFO L185 CegarLoopUtils]: At program point L765-2(lines 761 783) the Hoare annotation is: false [2020-12-23 09:21:16,088 INFO L185 CegarLoopUtils]: At program point L931(lines 916 934) the Hoare annotation is: false [2020-12-23 09:21:16,088 INFO L185 CegarLoopUtils]: At program point L931-1(lines 916 934) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:16,089 INFO L185 CegarLoopUtils]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2020-12-23 09:21:16,089 INFO L185 CegarLoopUtils]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2020-12-23 09:21:16,089 INFO L185 CegarLoopUtils]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2020-12-23 09:21:16,089 INFO L185 CegarLoopUtils]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2020-12-23 09:21:16,089 INFO L185 CegarLoopUtils]: At program point L667(lines 658 671) the Hoare annotation is: false [2020-12-23 09:21:16,089 INFO L185 CegarLoopUtils]: At program point L667-1(lines 658 671) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:16,090 INFO L185 CegarLoopUtils]: At program point L667-2(lines 658 671) the Hoare annotation is: false [2020-12-23 09:21:16,090 INFO L185 CegarLoopUtils]: At program point L667-3(lines 658 671) the Hoare annotation is: false [2020-12-23 09:21:16,090 INFO L185 CegarLoopUtils]: At program point L667-4(lines 658 671) the Hoare annotation is: false [2020-12-23 09:21:16,090 INFO L185 CegarLoopUtils]: At program point L667-5(lines 658 671) the Hoare annotation is: false [2020-12-23 09:21:16,090 INFO L189 CegarLoopUtils]: For program point L801(lines 801 809) no Hoare annotation was computed. [2020-12-23 09:21:16,090 INFO L189 CegarLoopUtils]: For program point L801-1(lines 801 809) no Hoare annotation was computed. [2020-12-23 09:21:16,090 INFO L189 CegarLoopUtils]: For program point L801-2(lines 801 809) no Hoare annotation was computed. [2020-12-23 09:21:16,091 INFO L189 CegarLoopUtils]: For program point L801-3(lines 801 809) no Hoare annotation was computed. [2020-12-23 09:21:16,091 INFO L189 CegarLoopUtils]: For program point L801-4(lines 801 809) no Hoare annotation was computed. [2020-12-23 09:21:16,091 INFO L189 CegarLoopUtils]: For program point L801-5(lines 801 809) no Hoare annotation was computed. [2020-12-23 09:21:16,091 INFO L185 CegarLoopUtils]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:16,091 INFO L185 CegarLoopUtils]: At program point L1000(lines 1 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-23 09:21:16,091 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-12-23 09:21:16,091 INFO L189 CegarLoopUtils]: For program point L704(lines 704 710) no Hoare annotation was computed. [2020-12-23 09:21:16,092 INFO L185 CegarLoopUtils]: At program point L704-1(lines 704 710) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-23 09:21:16,092 INFO L185 CegarLoopUtils]: At program point L772(lines 772 778) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-23 09:21:16,092 INFO L185 CegarLoopUtils]: At program point L772-1(lines 772 778) the Hoare annotation is: false [2020-12-23 09:21:16,092 INFO L185 CegarLoopUtils]: At program point L772-2(lines 772 778) the Hoare annotation is: false [2020-12-23 09:21:16,092 INFO L185 CegarLoopUtils]: At program point L541(lines 765 771) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3))) [2020-12-23 09:21:16,092 INFO L185 CegarLoopUtils]: At program point L541-1(lines 765 771) the Hoare annotation is: false [2020-12-23 09:21:16,093 INFO L185 CegarLoopUtils]: At program point L541-2(lines 765 771) the Hoare annotation is: false [2020-12-23 09:21:16,093 INFO L192 CegarLoopUtils]: At program point L509(lines 490 512) the Hoare annotation is: true [2020-12-23 09:21:16,093 INFO L189 CegarLoopUtils]: For program point L609(lines 609 613) no Hoare annotation was computed. [2020-12-23 09:21:16,093 INFO L185 CegarLoopUtils]: At program point L677(lines 672 680) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:16,093 INFO L185 CegarLoopUtils]: At program point L677-1(lines 672 680) the Hoare annotation is: false [2020-12-23 09:21:16,093 INFO L185 CegarLoopUtils]: At program point L677-2(lines 672 680) the Hoare annotation is: false [2020-12-23 09:21:16,093 INFO L185 CegarLoopUtils]: At program point L1008(lines 1003 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:16,094 INFO L185 CegarLoopUtils]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse6 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-12-23 09:21:16,094 INFO L185 CegarLoopUtils]: At program point L876-1(lines 871 879) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3))) [2020-12-23 09:21:16,094 INFO L185 CegarLoopUtils]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2020-12-23 09:21:16,094 INFO L185 CegarLoopUtils]: At program point L876-3(lines 871 879) the Hoare annotation is: false [2020-12-23 09:21:16,094 INFO L185 CegarLoopUtils]: At program point L744(lines 693 745) the Hoare annotation is: false [2020-12-23 09:21:16,094 INFO L185 CegarLoopUtils]: At program point L876-4(lines 871 879) the Hoare annotation is: false [2020-12-23 09:21:16,095 INFO L185 CegarLoopUtils]: At program point L876-5(lines 871 879) the Hoare annotation is: false [2020-12-23 09:21:16,095 INFO L189 CegarLoopUtils]: For program point L944(lines 944 948) no Hoare annotation was computed. [2020-12-23 09:21:16,095 INFO L189 CegarLoopUtils]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2020-12-23 09:21:16,095 INFO L189 CegarLoopUtils]: For program point L944-3(lines 944 948) no Hoare annotation was computed. [2020-12-23 09:21:16,095 INFO L189 CegarLoopUtils]: For program point L944-5(lines 944 948) no Hoare annotation was computed. [2020-12-23 09:21:16,095 INFO L189 CegarLoopUtils]: For program point L944-6(lines 944 948) no Hoare annotation was computed. [2020-12-23 09:21:16,095 INFO L189 CegarLoopUtils]: For program point L944-8(lines 944 948) no Hoare annotation was computed. [2020-12-23 09:21:16,095 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:21:16,096 INFO L189 CegarLoopUtils]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-12-23 09:21:16,096 INFO L185 CegarLoopUtils]: At program point L714-1(lines 714 720) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-23 09:21:16,096 INFO L189 CegarLoopUtils]: For program point L518(line 518) no Hoare annotation was computed. [2020-12-23 09:21:16,096 INFO L189 CegarLoopUtils]: For program point L518-1(line 518) no Hoare annotation was computed. [2020-12-23 09:21:16,096 INFO L189 CegarLoopUtils]: For program point L518-2(line 518) no Hoare annotation was computed. [2020-12-23 09:21:16,096 INFO L189 CegarLoopUtils]: For program point L585(lines 585 589) no Hoare annotation was computed. [2020-12-23 09:21:16,096 INFO L189 CegarLoopUtils]: For program point L552(lines 552 569) no Hoare annotation was computed. [2020-12-23 09:21:16,097 INFO L185 CegarLoopUtils]: At program point L552-1(lines 1 1011) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4 2) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse6 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:21:16,097 INFO L189 CegarLoopUtils]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2020-12-23 09:21:16,097 INFO L189 CegarLoopUtils]: For program point L552-2(lines 552 569) no Hoare annotation was computed. [2020-12-23 09:21:16,097 INFO L185 CegarLoopUtils]: At program point L552-3(lines 1 1011) the Hoare annotation is: false [2020-12-23 09:21:16,097 INFO L189 CegarLoopUtils]: For program point L552-4(lines 552 569) no Hoare annotation was computed. [2020-12-23 09:21:16,097 INFO L189 CegarLoopUtils]: For program point L585-6(lines 585 589) no Hoare annotation was computed. [2020-12-23 09:21:16,097 INFO L185 CegarLoopUtils]: At program point L552-5(lines 1 1011) the Hoare annotation is: false [2020-12-23 09:21:16,098 INFO L185 CegarLoopUtils]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2020-12-23 09:21:16,098 INFO L189 CegarLoopUtils]: For program point L421(line 421) no Hoare annotation was computed. [2020-12-23 09:21:16,098 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:21:16,098 INFO L185 CegarLoopUtils]: At program point L950(lines 935 953) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:16,098 INFO L185 CegarLoopUtils]: At program point L950-1(lines 935 953) the Hoare annotation is: false [2020-12-23 09:21:16,098 INFO L185 CegarLoopUtils]: At program point L950-2(lines 935 953) the Hoare annotation is: false [2020-12-23 09:21:16,098 INFO L185 CegarLoopUtils]: At program point L654(lines 649 657) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse6 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:21:16,099 INFO L185 CegarLoopUtils]: At program point L654-1(lines 649 657) the Hoare annotation is: false [2020-12-23 09:21:16,099 INFO L185 CegarLoopUtils]: At program point L654-2(lines 649 657) the Hoare annotation is: false [2020-12-23 09:21:16,099 INFO L189 CegarLoopUtils]: For program point L556(lines 556 566) no Hoare annotation was computed. [2020-12-23 09:21:16,099 INFO L189 CegarLoopUtils]: For program point L556-2(lines 556 566) no Hoare annotation was computed. [2020-12-23 09:21:16,099 INFO L189 CegarLoopUtils]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-12-23 09:21:16,099 INFO L189 CegarLoopUtils]: For program point L556-4(lines 556 566) no Hoare annotation was computed. [2020-12-23 09:21:16,099 INFO L189 CegarLoopUtils]: For program point L424-1(lines 424 428) no Hoare annotation was computed. [2020-12-23 09:21:16,099 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:21:16,099 INFO L189 CegarLoopUtils]: For program point L557(lines 557 563) no Hoare annotation was computed. [2020-12-23 09:21:16,100 INFO L189 CegarLoopUtils]: For program point L557-2(lines 557 563) no Hoare annotation was computed. [2020-12-23 09:21:16,100 INFO L189 CegarLoopUtils]: For program point L557-4(lines 557 563) no Hoare annotation was computed. [2020-12-23 09:21:16,100 INFO L189 CegarLoopUtils]: For program point L823(lines 823 840) no Hoare annotation was computed. [2020-12-23 09:21:16,100 INFO L189 CegarLoopUtils]: For program point L823-1(lines 823 840) no Hoare annotation was computed. [2020-12-23 09:21:16,100 INFO L189 CegarLoopUtils]: For program point L823-2(lines 823 840) no Hoare annotation was computed. [2020-12-23 09:21:16,100 INFO L189 CegarLoopUtils]: For program point L724(lines 724 739) no Hoare annotation was computed. [2020-12-23 09:21:16,100 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:21:16,100 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-12-23 09:21:16,101 INFO L189 CegarLoopUtils]: For program point L958(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:21:16,101 INFO L185 CegarLoopUtils]: At program point L958-1(lines 958 964) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:16,101 INFO L189 CegarLoopUtils]: For program point L925(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,101 INFO L189 CegarLoopUtils]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,101 INFO L189 CegarLoopUtils]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,101 INFO L189 CegarLoopUtils]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,101 INFO L189 CegarLoopUtils]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,102 INFO L189 CegarLoopUtils]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,102 INFO L189 CegarLoopUtils]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,102 INFO L189 CegarLoopUtils]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,102 INFO L189 CegarLoopUtils]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,102 INFO L189 CegarLoopUtils]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,102 INFO L189 CegarLoopUtils]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,102 INFO L189 CegarLoopUtils]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2020-12-23 09:21:16,102 INFO L189 CegarLoopUtils]: For program point L827(lines 827 835) no Hoare annotation was computed. [2020-12-23 09:21:16,102 INFO L189 CegarLoopUtils]: For program point L827-1(lines 827 835) no Hoare annotation was computed. [2020-12-23 09:21:16,103 INFO L189 CegarLoopUtils]: For program point L827-2(lines 827 835) no Hoare annotation was computed. [2020-12-23 09:21:16,103 INFO L189 CegarLoopUtils]: For program point L695(lines 694 743) no Hoare annotation was computed. [2020-12-23 09:21:16,103 INFO L189 CegarLoopUtils]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-12-23 09:21:16,103 INFO L189 CegarLoopUtils]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2020-12-23 09:21:16,103 INFO L189 CegarLoopUtils]: For program point L662-2(lines 662 668) no Hoare annotation was computed. [2020-12-23 09:21:16,103 INFO L189 CegarLoopUtils]: For program point L662-3(lines 662 668) no Hoare annotation was computed. [2020-12-23 09:21:16,103 INFO L189 CegarLoopUtils]: For program point L662-4(lines 662 668) no Hoare annotation was computed. [2020-12-23 09:21:16,103 INFO L189 CegarLoopUtils]: For program point L662-5(lines 662 668) no Hoare annotation was computed. [2020-12-23 09:21:16,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:21:16 BoogieIcfgContainer [2020-12-23 09:21:16,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:21:16,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:21:16,140 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:21:16,140 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:21:16,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:21:08" (3/4) ... [2020-12-23 09:21:16,144 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:21:16,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:21:16,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:21:16,170 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:21:16,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:21:16,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:21:16,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:16,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:16,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-23 09:21:16,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-23 09:21:16,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-23 09:21:16,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((((((tmp == 1 && 1 <= pumpRunning) && 1 < tmp) && tmp <= 2) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:16,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= \result) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && 1 <= pumpRunning) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:16,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:16,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:16,324 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product52.cil.c-witness.graphml [2020-12-23 09:21:16,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:21:16,327 INFO L168 Benchmark]: Toolchain (without parser) took 9952.11 ms. Allocated memory was 172.0 MB in the beginning and 276.8 MB in the end (delta: 104.9 MB). Free memory was 153.6 MB in the beginning and 181.3 MB in the end (delta: -27.7 MB). Peak memory consumption was 76.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:16,328 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 172.0 MB. Free memory is still 144.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:21:16,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.40 ms. Allocated memory is still 172.0 MB. Free memory was 153.3 MB in the beginning and 149.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:16,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.13 ms. Allocated memory is still 172.0 MB. Free memory was 149.8 MB in the beginning and 146.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:16,329 INFO L168 Benchmark]: Boogie Preprocessor took 53.67 ms. Allocated memory is still 172.0 MB. Free memory was 146.2 MB in the beginning and 143.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:16,330 INFO L168 Benchmark]: RCFGBuilder took 1279.04 ms. Allocated memory was 172.0 MB in the beginning and 206.6 MB in the end (delta: 34.6 MB). Free memory was 143.2 MB in the beginning and 160.9 MB in the end (delta: -17.7 MB). Peak memory consumption was 42.9 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:16,330 INFO L168 Benchmark]: TraceAbstraction took 7585.45 ms. Allocated memory was 206.6 MB in the beginning and 276.8 MB in the end (delta: 70.3 MB). Free memory was 160.4 MB in the beginning and 192.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 137.9 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:16,332 INFO L168 Benchmark]: Witness Printer took 184.62 ms. Allocated memory is still 276.8 MB. Free memory was 192.3 MB in the beginning and 181.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:16,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 172.0 MB. Free memory is still 144.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 682.40 ms. Allocated memory is still 172.0 MB. Free memory was 153.3 MB in the beginning and 149.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 156.13 ms. Allocated memory is still 172.0 MB. Free memory was 149.8 MB in the beginning and 146.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 53.67 ms. Allocated memory is still 172.0 MB. Free memory was 146.2 MB in the beginning and 143.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1279.04 ms. Allocated memory was 172.0 MB in the beginning and 206.6 MB in the end (delta: 34.6 MB). Free memory was 143.2 MB in the beginning and 160.9 MB in the end (delta: -17.7 MB). Peak memory consumption was 42.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7585.45 ms. Allocated memory was 206.6 MB in the beginning and 276.8 MB in the end (delta: 70.3 MB). Free memory was 160.4 MB in the beginning and 192.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 137.9 MB. Max. memory is 8.0 GB. * Witness Printer took 184.62 ms. Allocated memory is still 276.8 MB. Free memory was 192.3 MB in the beginning and 181.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 518]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 518]: 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: 649]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && 1 <= pumpRunning) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((tmp == 1 && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((((((tmp == 1 && 1 <= pumpRunning) && 1 < tmp) && tmp <= 2) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((tmp == 1 && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= \result) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1003]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1108 SDtfs, 1648 SDslu, 1513 SDs, 0 SdLazy, 280 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=9, 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, 10 MinimizatonAttempts, 637 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 203 NumberOfFragments, 1015 HoareAnnotationTreeSize, 51 FomulaSimplifications, 79438 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 19361 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 30093 SizeOfPredicates, 3 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...