/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_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:20:54,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:20:54,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:20:54,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:20:54,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:20:54,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:20:54,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:20:54,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:20:54,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:20:54,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:20:54,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:20:54,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:20:54,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:20:54,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:20:54,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:20:54,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:20:54,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:20:54,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:20:54,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:20:54,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:20:54,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:20:54,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:20:54,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:20:54,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:20:54,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:20:54,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:20:54,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:20:54,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:20:54,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:20:54,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:20:54,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:20:54,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:20:54,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:20:54,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:20:54,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:20:54,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:20:54,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:20:54,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:20:54,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:20:54,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:20:54,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:20:54,973 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 09:20:55,023 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:20:55,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:20:55,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:20:55,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:20:55,029 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:20:55,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:20:55,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:20:55,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:20:55,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:20:55,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:20:55,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:20:55,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:20:55,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:20:55,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:20:55,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:20:55,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:20:55,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:20:55,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:20:55,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:20:55,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:20:55,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:20:55,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:20:55,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:20:55,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:20:55,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:20:55,034 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:20:55,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:20:55,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:20:55,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:20:55,508 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:20:55,509 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:20:55,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2020-12-23 09:20:55,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9d5ec8930/402eda15ae9849c38209751aa314c01a/FLAGe3ebc697f [2020-12-23 09:20:56,351 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:20:56,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2020-12-23 09:20:56,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9d5ec8930/402eda15ae9849c38209751aa314c01a/FLAGe3ebc697f [2020-12-23 09:20:56,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9d5ec8930/402eda15ae9849c38209751aa314c01a [2020-12-23 09:20:56,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:20:56,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:20:56,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:56,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:20:56,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:20:56,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:56" (1/1) ... [2020-12-23 09:20:56,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3a942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:56, skipping insertion in model container [2020-12-23 09:20:56,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:56" (1/1) ... [2020-12-23 09:20:56,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:20:56,706 INFO L178 MainTranslator]: Built tables and reachable declarations 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~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2020-12-23 09:20:57,136 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_product44.cil.c[17681,17694] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] [2020-12-23 09:20:57,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:57,173 INFO L203 MainTranslator]: Completed pre-run 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~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2020-12-23 09:20:57,316 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_product44.cil.c[17681,17694] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] [2020-12-23 09:20:57,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:57,362 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:20:57,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57 WrapperNode [2020-12-23 09:20:57,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:57,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:57,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:20:57,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:20:57,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (1/1) ... [2020-12-23 09:20:57,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (1/1) ... [2020-12-23 09:20:57,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:57,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:20:57,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:20:57,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:20:57,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (1/1) ... [2020-12-23 09:20:57,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (1/1) ... [2020-12-23 09:20:57,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (1/1) ... [2020-12-23 09:20:57,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (1/1) ... [2020-12-23 09:20:57,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (1/1) ... [2020-12-23 09:20:57,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (1/1) ... [2020-12-23 09:20:57,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (1/1) ... [2020-12-23 09:20:57,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:20:57,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:20:57,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:20:57,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:20:57,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (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 09:20:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:20:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:20:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:20:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:20:58,921 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:20:58,921 INFO L299 CfgBuilder]: Removed 134 assume(true) statements. [2020-12-23 09:20:58,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:58 BoogieIcfgContainer [2020-12-23 09:20:58,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:20:58,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:20:58,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:20:58,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:20:58,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:20:56" (1/3) ... [2020-12-23 09:20:58,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b67e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:58, skipping insertion in model container [2020-12-23 09:20:58,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:57" (2/3) ... [2020-12-23 09:20:58,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b67e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:58, skipping insertion in model container [2020-12-23 09:20:58,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:58" (3/3) ... [2020-12-23 09:20:58,933 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-12-23 09:20:58,940 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:20:58,945 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:20:58,964 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:20:58,989 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:20:58,989 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:20:58,990 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:20:58,990 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:20:58,990 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:20:58,990 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:20:58,990 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:20:58,991 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:20:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-12-23 09:20:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 09:20:59,022 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:59,023 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 09:20:59,023 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:59,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:59,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1014623904, now seen corresponding path program 1 times [2020-12-23 09:20:59,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:59,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555713823] [2020-12-23 09:20:59,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:59,395 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 09:20:59,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555713823] [2020-12-23 09:20:59,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:59,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:59,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390076306] [2020-12-23 09:20:59,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:20:59,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:59,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:20:59,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:20:59,419 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2020-12-23 09:20:59,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:59,452 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2020-12-23 09:20:59,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:20:59,454 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-23 09:20:59,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:59,466 INFO L225 Difference]: With dead ends: 189 [2020-12-23 09:20:59,466 INFO L226 Difference]: Without dead ends: 94 [2020-12-23 09:20:59,470 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 09:20:59,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-12-23 09:20:59,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-12-23 09:20:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-23 09:20:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2020-12-23 09:20:59,520 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2020-12-23 09:20:59,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:59,521 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2020-12-23 09:20:59,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:20:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-12-23 09:20:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 09:20:59,523 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:59,523 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 09:20:59,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:20:59,524 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:59,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:59,525 INFO L82 PathProgramCache]: Analyzing trace with hash 2129327965, now seen corresponding path program 1 times [2020-12-23 09:20:59,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:59,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669419083] [2020-12-23 09:20:59,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:59,691 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 09:20:59,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669419083] [2020-12-23 09:20:59,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:59,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:59,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182823889] [2020-12-23 09:20:59,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:59,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:59,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:59,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:59,697 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2020-12-23 09:20:59,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:59,718 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2020-12-23 09:20:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:59,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-23 09:20:59,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:59,720 INFO L225 Difference]: With dead ends: 94 [2020-12-23 09:20:59,721 INFO L226 Difference]: Without dead ends: 43 [2020-12-23 09:20:59,724 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 09:20:59,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-23 09:20:59,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-23 09:20:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-23 09:20:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-12-23 09:20:59,736 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2020-12-23 09:20:59,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:59,737 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-12-23 09:20:59,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-12-23 09:20:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:20:59,741 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:59,742 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 09:20:59,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:20:59,742 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:59,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:59,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1463825694, now seen corresponding path program 1 times [2020-12-23 09:20:59,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:59,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865759255] [2020-12-23 09:20:59,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:59,941 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 09:20:59,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865759255] [2020-12-23 09:20:59,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:59,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:59,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175503538] [2020-12-23 09:20:59,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:59,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:59,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:59,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:59,950 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-12-23 09:21:00,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:00,086 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-12-23 09:21:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:21:00,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-23 09:21:00,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:00,091 INFO L225 Difference]: With dead ends: 105 [2020-12-23 09:21:00,091 INFO L226 Difference]: Without dead ends: 69 [2020-12-23 09:21:00,094 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 09:21:00,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-12-23 09:21:00,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2020-12-23 09:21:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-23 09:21:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-12-23 09:21:00,118 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2020-12-23 09:21:00,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:00,118 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-12-23 09:21:00,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-12-23 09:21:00,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 09:21:00,120 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:00,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:00,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:21:00,121 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:00,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:00,123 INFO L82 PathProgramCache]: Analyzing trace with hash 419511483, now seen corresponding path program 1 times [2020-12-23 09:21:00,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:00,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219165295] [2020-12-23 09:21:00,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:00,205 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 09:21:00,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219165295] [2020-12-23 09:21:00,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:00,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:00,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428719615] [2020-12-23 09:21:00,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:00,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:00,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:00,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:00,209 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 3 states. [2020-12-23 09:21:00,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:00,249 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2020-12-23 09:21:00,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:00,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-23 09:21:00,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:00,251 INFO L225 Difference]: With dead ends: 147 [2020-12-23 09:21:00,251 INFO L226 Difference]: Without dead ends: 89 [2020-12-23 09:21:00,252 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 09:21:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-23 09:21:00,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-12-23 09:21:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-23 09:21:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-12-23 09:21:00,266 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2020-12-23 09:21:00,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:00,266 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-12-23 09:21:00,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:00,267 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-12-23 09:21:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-23 09:21:00,268 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:00,268 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 09:21:00,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:21:00,269 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:00,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:00,269 INFO L82 PathProgramCache]: Analyzing trace with hash -894632213, now seen corresponding path program 1 times [2020-12-23 09:21:00,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:00,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856311559] [2020-12-23 09:21:00,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:00,374 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 09:21:00,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856311559] [2020-12-23 09:21:00,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:00,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:21:00,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403846574] [2020-12-23 09:21:00,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:21:00,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:00,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:21:00,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:00,379 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 5 states. [2020-12-23 09:21:00,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:00,560 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2020-12-23 09:21:00,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:21:00,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-23 09:21:00,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:00,563 INFO L225 Difference]: With dead ends: 288 [2020-12-23 09:21:00,563 INFO L226 Difference]: Without dead ends: 208 [2020-12-23 09:21:00,564 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 09:21:00,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-12-23 09:21:00,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2020-12-23 09:21:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-23 09:21:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2020-12-23 09:21:00,578 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2020-12-23 09:21:00,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:00,579 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2020-12-23 09:21:00,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2020-12-23 09:21:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-23 09:21:00,580 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:00,581 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, 1] [2020-12-23 09:21:00,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:21:00,581 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:00,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:00,582 INFO L82 PathProgramCache]: Analyzing trace with hash -855336384, now seen corresponding path program 1 times [2020-12-23 09:21:00,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:00,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259209596] [2020-12-23 09:21:00,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:00,647 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 09:21:00,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259209596] [2020-12-23 09:21:00,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:00,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:21:00,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005829253] [2020-12-23 09:21:00,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:21:00,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:00,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:21:00,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:00,650 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand 5 states. [2020-12-23 09:21:00,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:00,712 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2020-12-23 09:21:00,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:21:00,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-23 09:21:00,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:00,715 INFO L225 Difference]: With dead ends: 251 [2020-12-23 09:21:00,715 INFO L226 Difference]: Without dead ends: 173 [2020-12-23 09:21:00,716 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 09:21:00,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-12-23 09:21:00,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2020-12-23 09:21:00,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-23 09:21:00,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2020-12-23 09:21:00,729 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2020-12-23 09:21:00,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:00,729 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2020-12-23 09:21:00,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2020-12-23 09:21:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-23 09:21:00,731 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:00,731 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, 1] [2020-12-23 09:21:00,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:21:00,731 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:00,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:00,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1866453634, now seen corresponding path program 1 times [2020-12-23 09:21:00,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:00,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944358343] [2020-12-23 09:21:00,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:00,816 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 09:21:00,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944358343] [2020-12-23 09:21:00,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:00,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:21:00,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911707689] [2020-12-23 09:21:00,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:21:00,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:00,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:21:00,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:21:00,819 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand 4 states. [2020-12-23 09:21:00,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:00,858 INFO L93 Difference]: Finished difference Result 217 states and 295 transitions. [2020-12-23 09:21:00,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:21:00,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-12-23 09:21:00,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:00,860 INFO L225 Difference]: With dead ends: 217 [2020-12-23 09:21:00,860 INFO L226 Difference]: Without dead ends: 136 [2020-12-23 09:21:00,861 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 09:21:00,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-12-23 09:21:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 90. [2020-12-23 09:21:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-12-23 09:21:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2020-12-23 09:21:00,874 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2020-12-23 09:21:00,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:00,875 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2020-12-23 09:21:00,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:21:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-12-23 09:21:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-23 09:21:00,876 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:00,876 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, 1] [2020-12-23 09:21:00,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:21:00,877 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:00,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:00,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1407445308, now seen corresponding path program 1 times [2020-12-23 09:21:00,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:00,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276623430] [2020-12-23 09:21:00,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:00,934 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 09:21:00,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276623430] [2020-12-23 09:21:00,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:00,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:00,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798391610] [2020-12-23 09:21:00,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:00,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:00,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:00,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:00,937 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 3 states. [2020-12-23 09:21:00,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:00,977 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions. [2020-12-23 09:21:00,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:00,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-23 09:21:00,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:00,979 INFO L225 Difference]: With dead ends: 222 [2020-12-23 09:21:00,979 INFO L226 Difference]: Without dead ends: 139 [2020-12-23 09:21:00,980 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 09:21:00,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-12-23 09:21:00,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-12-23 09:21:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-12-23 09:21:00,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2020-12-23 09:21:00,999 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 36 [2020-12-23 09:21:00,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:00,999 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2020-12-23 09:21:00,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2020-12-23 09:21:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:21:01,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:01,001 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, 1, 1] [2020-12-23 09:21:01,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:21:01,001 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:01,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:01,002 INFO L82 PathProgramCache]: Analyzing trace with hash -67033476, now seen corresponding path program 1 times [2020-12-23 09:21:01,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:01,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25645844] [2020-12-23 09:21:01,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:01,122 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 09:21:01,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25645844] [2020-12-23 09:21:01,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:01,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:21:01,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600013367] [2020-12-23 09:21:01,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:21:01,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:01,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:21:01,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:21:01,132 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand 7 states. [2020-12-23 09:21:01,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:01,485 INFO L93 Difference]: Finished difference Result 628 states and 858 transitions. [2020-12-23 09:21:01,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 09:21:01,486 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-12-23 09:21:01,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:01,489 INFO L225 Difference]: With dead ends: 628 [2020-12-23 09:21:01,490 INFO L226 Difference]: Without dead ends: 545 [2020-12-23 09:21:01,491 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 09:21:01,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-12-23 09:21:01,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 225. [2020-12-23 09:21:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-23 09:21:01,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2020-12-23 09:21:01,525 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 37 [2020-12-23 09:21:01,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:01,525 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2020-12-23 09:21:01,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:21:01,525 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2020-12-23 09:21:01,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:21:01,526 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:01,527 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] [2020-12-23 09:21:01,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:21:01,527 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:01,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:01,528 INFO L82 PathProgramCache]: Analyzing trace with hash 350167364, now seen corresponding path program 1 times [2020-12-23 09:21:01,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:01,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479036507] [2020-12-23 09:21:01,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:01,633 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 09:21:01,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479036507] [2020-12-23 09:21:01,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278490311] [2020-12-23 09:21:01,634 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 09:21:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:01,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 09:21:01,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:21:01,955 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 09:21:01,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:21:01,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-23 09:21:01,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912366503] [2020-12-23 09:21:01,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:21:01,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:01,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:21:01,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:21:01,961 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand 8 states. [2020-12-23 09:21:02,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:02,421 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2020-12-23 09:21:02,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:21:02,422 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-12-23 09:21:02,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:02,423 INFO L225 Difference]: With dead ends: 459 [2020-12-23 09:21:02,423 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:21:02,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:21:02,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:21:02,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:21:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:21:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:21:02,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-12-23 09:21:02,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:02,426 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:21:02,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:21:02,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:21:02,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:21:02,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:21:02,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:21:03,301 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2020-12-23 09:21:03,531 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2020-12-23 09:21:03,703 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-12-23 09:21:03,906 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 15 [2020-12-23 09:21:04,160 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-12-23 09:21:04,315 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2020-12-23 09:21:04,518 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-12-23 09:21:04,670 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-12-23 09:21:04,781 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 24 [2020-12-23 09:21:05,053 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-12-23 09:21:05,179 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2020-12-23 09:21:05,350 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-12-23 09:21:05,546 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-12-23 09:21:05,550 INFO L189 CegarLoopUtils]: For program point L960(lines 960 970) no Hoare annotation was computed. [2020-12-23 09:21:05,550 INFO L189 CegarLoopUtils]: For program point L960-2(lines 960 970) no Hoare annotation was computed. [2020-12-23 09:21:05,550 INFO L189 CegarLoopUtils]: For program point L960-4(lines 960 970) no Hoare annotation was computed. [2020-12-23 09:21:05,551 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2020-12-23 09:21:05,551 INFO L189 CegarLoopUtils]: For program point L597(lines 597 603) no Hoare annotation was computed. [2020-12-23 09:21:05,551 INFO L189 CegarLoopUtils]: For program point L564(lines 564 572) no Hoare annotation was computed. [2020-12-23 09:21:05,551 INFO L189 CegarLoopUtils]: For program point L564-1(lines 564 572) no Hoare annotation was computed. [2020-12-23 09:21:05,551 INFO L189 CegarLoopUtils]: For program point L597-2(lines 597 603) no Hoare annotation was computed. [2020-12-23 09:21:05,551 INFO L189 CegarLoopUtils]: For program point L564-2(lines 564 572) no Hoare annotation was computed. [2020-12-23 09:21:05,551 INFO L189 CegarLoopUtils]: For program point L597-4(lines 597 603) no Hoare annotation was computed. [2020-12-23 09:21:05,551 INFO L189 CegarLoopUtils]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-12-23 09:21:05,552 INFO L189 CegarLoopUtils]: For program point L680-2(lines 680 684) no Hoare annotation was computed. [2020-12-23 09:21:05,552 INFO L189 CegarLoopUtils]: For program point L680-3(lines 680 684) no Hoare annotation was computed. [2020-12-23 09:21:05,552 INFO L189 CegarLoopUtils]: For program point L680-5(lines 680 684) no Hoare annotation was computed. [2020-12-23 09:21:05,552 INFO L189 CegarLoopUtils]: For program point L680-6(lines 680 684) no Hoare annotation was computed. [2020-12-23 09:21:05,552 INFO L189 CegarLoopUtils]: For program point L961(lines 961 967) no Hoare annotation was computed. [2020-12-23 09:21:05,552 INFO L189 CegarLoopUtils]: For program point L680-8(lines 680 684) no Hoare annotation was computed. [2020-12-23 09:21:05,552 INFO L189 CegarLoopUtils]: For program point L961-2(lines 961 967) no Hoare annotation was computed. [2020-12-23 09:21:05,552 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:21:05,552 INFO L189 CegarLoopUtils]: For program point L961-4(lines 961 967) no Hoare annotation was computed. [2020-12-23 09:21:05,553 INFO L189 CegarLoopUtils]: For program point L763(lines 763 769) no Hoare annotation was computed. [2020-12-23 09:21:05,553 INFO L185 CegarLoopUtils]: At program point L763-1(lines 1 976) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:05,553 INFO L185 CegarLoopUtils]: At program point L631(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse5 .cse6))) [2020-12-23 09:21:05,554 INFO L185 CegarLoopUtils]: At program point L631-1(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-12-23 09:21:05,554 INFO L185 CegarLoopUtils]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2020-12-23 09:21:05,554 INFO L185 CegarLoopUtils]: At program point L631-3(lines 626 634) the Hoare annotation is: false [2020-12-23 09:21:05,554 INFO L185 CegarLoopUtils]: At program point L631-4(lines 626 634) the Hoare annotation is: false [2020-12-23 09:21:05,554 INFO L185 CegarLoopUtils]: At program point L631-5(lines 626 634) the Hoare annotation is: false [2020-12-23 09:21:05,554 INFO L185 CegarLoopUtils]: At program point L945(lines 528 534) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-12-23 09:21:05,555 INFO L185 CegarLoopUtils]: At program point L945-1(lines 528 534) the Hoare annotation is: false [2020-12-23 09:21:05,555 INFO L185 CegarLoopUtils]: At program point L945-2(lines 528 534) the Hoare annotation is: false [2020-12-23 09:21:05,555 INFO L185 CegarLoopUtils]: At program point L137(lines 128 141) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.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 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:05,555 INFO L185 CegarLoopUtils]: At program point L137-1(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:05,555 INFO L185 CegarLoopUtils]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:05,555 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-12-23 09:21:05,555 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-12-23 09:21:05,556 INFO L185 CegarLoopUtils]: At program point L881(lines 877 883) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:05,556 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-12-23 09:21:05,556 INFO L185 CegarLoopUtils]: At program point L535(lines 535 541) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:05,556 INFO L185 CegarLoopUtils]: At program point L535-1(lines 535 541) the Hoare annotation is: false [2020-12-23 09:21:05,556 INFO L185 CegarLoopUtils]: At program point L535-2(lines 535 541) the Hoare annotation is: false [2020-12-23 09:21:05,557 INFO L192 CegarLoopUtils]: At program point L915(lines 896 918) the Hoare annotation is: true [2020-12-23 09:21:05,557 INFO L185 CegarLoopUtils]: At program point L833-2(lines 833 847) the Hoare annotation is: false [2020-12-23 09:21:05,557 INFO L185 CegarLoopUtils]: At program point L817(lines 812 820) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:05,557 INFO L189 CegarLoopUtils]: For program point L834(line 834) no Hoare annotation was computed. [2020-12-23 09:21:05,557 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:21:05,557 INFO L189 CegarLoopUtils]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-12-23 09:21:05,557 INFO L185 CegarLoopUtils]: At program point L735-1(lines 735 741) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:05,558 INFO L185 CegarLoopUtils]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse6 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:05,558 INFO L185 CegarLoopUtils]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-12-23 09:21:05,558 INFO L185 CegarLoopUtils]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-12-23 09:21:05,558 INFO L185 CegarLoopUtils]: At program point L686(lines 671 689) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:05,558 INFO L185 CegarLoopUtils]: At program point L686-1(lines 671 689) the Hoare annotation is: false [2020-12-23 09:21:05,558 INFO L185 CegarLoopUtils]: At program point L686-2(lines 671 689) the Hoare annotation is: false [2020-12-23 09:21:05,559 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:05,559 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:05,559 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:05,559 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2020-12-23 09:21:05,559 INFO L185 CegarLoopUtils]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:05,560 INFO L185 CegarLoopUtils]: At program point L622(lines 615 625) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:05,560 INFO L185 CegarLoopUtils]: At program point L622-1(lines 615 625) the Hoare annotation is: false [2020-12-23 09:21:05,560 INFO L185 CegarLoopUtils]: At program point L622-2(lines 615 625) the Hoare annotation is: false [2020-12-23 09:21:05,560 INFO L189 CegarLoopUtils]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-12-23 09:21:05,560 INFO L189 CegarLoopUtils]: For program point L837-1(lines 837 841) no Hoare annotation was computed. [2020-12-23 09:21:05,560 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:21:05,560 INFO L189 CegarLoopUtils]: For program point L755(lines 755 770) no Hoare annotation was computed. [2020-12-23 09:21:05,560 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-12-23 09:21:05,561 INFO L189 CegarLoopUtils]: For program point L906(lines 906 913) no Hoare annotation was computed. [2020-12-23 09:21:05,561 INFO L192 CegarLoopUtils]: At program point L906-1(lines 906 913) the Hoare annotation is: true [2020-12-23 09:21:05,561 INFO L189 CegarLoopUtils]: For program point L956(lines 956 973) no Hoare annotation was computed. [2020-12-23 09:21:05,561 INFO L185 CegarLoopUtils]: At program point L956-1(lines 1 976) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:05,561 INFO L189 CegarLoopUtils]: For program point L956-2(lines 956 973) no Hoare annotation was computed. [2020-12-23 09:21:05,561 INFO L185 CegarLoopUtils]: At program point L956-3(lines 1 976) the Hoare annotation is: false [2020-12-23 09:21:05,561 INFO L189 CegarLoopUtils]: For program point L956-4(lines 956 973) no Hoare annotation was computed. [2020-12-23 09:21:05,562 INFO L185 CegarLoopUtils]: At program point L956-5(lines 1 976) the Hoare annotation is: false [2020-12-23 09:21:05,562 INFO L189 CegarLoopUtils]: For program point L560(lines 560 577) no Hoare annotation was computed. [2020-12-23 09:21:05,562 INFO L189 CegarLoopUtils]: For program point L560-1(lines 560 577) no Hoare annotation was computed. [2020-12-23 09:21:05,562 INFO L189 CegarLoopUtils]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2020-12-23 09:21:05,562 INFO L185 CegarLoopUtils]: At program point L775(lines 724 776) the Hoare annotation is: false [2020-12-23 09:21:05,562 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:21:05,562 INFO L189 CegarLoopUtils]: For program point L924(line 924) no Hoare annotation was computed. [2020-12-23 09:21:05,562 INFO L189 CegarLoopUtils]: For program point L924-1(line 924) no Hoare annotation was computed. [2020-12-23 09:21:05,563 INFO L189 CegarLoopUtils]: For program point L924-2(line 924) no Hoare annotation was computed. [2020-12-23 09:21:05,563 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2020-12-23 09:21:05,563 INFO L189 CegarLoopUtils]: For program point L726(lines 725 774) no Hoare annotation was computed. [2020-12-23 09:21:05,563 INFO L185 CegarLoopUtils]: At program point L528(lines 524 546) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:21:05,563 INFO L185 CegarLoopUtils]: At program point L528-1(lines 524 546) the Hoare annotation is: false [2020-12-23 09:21:05,563 INFO L185 CegarLoopUtils]: At program point L528-2(lines 524 546) the Hoare annotation is: false [2020-12-23 09:21:05,564 INFO L185 CegarLoopUtils]: At program point L809(lines 1 976) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-23 09:21:05,564 INFO L189 CegarLoopUtils]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:05,564 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:05,564 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:05,564 INFO L189 CegarLoopUtils]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-12-23 09:21:05,564 INFO L189 CegarLoopUtils]: For program point L694(lines 694 700) no Hoare annotation was computed. [2020-12-23 09:21:05,564 INFO L185 CegarLoopUtils]: At program point L694-1(lines 694 700) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:05,565 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-23 09:21:05,565 INFO L189 CegarLoopUtils]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-12-23 09:21:05,565 INFO L185 CegarLoopUtils]: At program point L745-1(lines 745 751) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:05,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:21:05 BoogieIcfgContainer [2020-12-23 09:21:05,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:21:05,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:21:05,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:21:05,599 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:21:05,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:58" (3/4) ... [2020-12-23 09:21:05,603 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:21:05,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:21:05,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:21:05,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:21:05,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:21:05,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:21:05,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:05,627 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:05,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-23 09:21:05,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 [2020-12-23 09:21:05,657 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 [2020-12-23 09:21:05,657 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,657 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:05,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:05,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:05,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:05,739 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product44.cil.c-witness.graphml [2020-12-23 09:21:05,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:21:05,741 INFO L168 Benchmark]: Toolchain (without parser) took 9133.84 ms. Allocated memory was 155.2 MB in the beginning and 240.1 MB in the end (delta: 84.9 MB). Free memory was 128.1 MB in the beginning and 157.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 56.8 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:05,741 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 155.2 MB. Free memory was 127.3 MB in the beginning and 127.2 MB in the end (delta: 90.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:21:05,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.53 ms. Allocated memory is still 155.2 MB. Free memory was 128.0 MB in the beginning and 106.1 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:05,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.42 ms. Allocated memory is still 155.2 MB. Free memory was 106.1 MB in the beginning and 102.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:05,742 INFO L168 Benchmark]: Boogie Preprocessor took 109.92 ms. Allocated memory is still 155.2 MB. Free memory was 102.7 MB in the beginning and 135.7 MB in the end (delta: -32.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:05,743 INFO L168 Benchmark]: RCFGBuilder took 1359.43 ms. Allocated memory is still 155.2 MB. Free memory was 135.7 MB in the beginning and 77.5 MB in the end (delta: 58.2 MB). Peak memory consumption was 58.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:05,743 INFO L168 Benchmark]: TraceAbstraction took 6672.12 ms. Allocated memory was 155.2 MB in the beginning and 240.1 MB in the end (delta: 84.9 MB). Free memory was 76.9 MB in the beginning and 166.5 MB in the end (delta: -89.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:05,743 INFO L168 Benchmark]: Witness Printer took 141.15 ms. Allocated memory is still 240.1 MB. Free memory was 166.0 MB in the beginning and 157.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:05,746 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 155.2 MB. Free memory was 127.3 MB in the beginning and 127.2 MB in the end (delta: 90.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 751.53 ms. Allocated memory is still 155.2 MB. Free memory was 128.0 MB in the beginning and 106.1 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 88.42 ms. Allocated memory is still 155.2 MB. Free memory was 106.1 MB in the beginning and 102.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 109.92 ms. Allocated memory is still 155.2 MB. Free memory was 102.7 MB in the beginning and 135.7 MB in the end (delta: -32.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1359.43 ms. Allocated memory is still 155.2 MB. Free memory was 135.7 MB in the beginning and 77.5 MB in the end (delta: 58.2 MB). Peak memory consumption was 58.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6672.12 ms. Allocated memory was 155.2 MB in the beginning and 240.1 MB in the end (delta: 84.9 MB). Free memory was 76.9 MB in the beginning and 166.5 MB in the end (delta: -89.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 8.0 GB. * Witness Printer took 141.15 ms. Allocated memory is still 240.1 MB. Free memory was 166.0 MB in the beginning and 157.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 894 SDtfs, 1196 SDslu, 1355 SDs, 0 SdLazy, 214 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred 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, 580 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 1003 HoareAnnotationTreeSize, 45 FomulaSimplifications, 54454 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 8304 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 26793 SizeOfPredicates, 3 NumberOfNonLiveVariables, 439 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...