/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_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:11:42,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:11:42,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:11:42,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:11:42,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:11:42,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:11:42,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:11:42,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:11:42,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:11:42,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:11:42,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:11:42,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:11:42,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:11:42,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:11:42,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:11:42,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:11:42,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:11:42,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:11:42,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:11:42,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:11:42,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:11:42,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:11:42,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:11:42,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:11:42,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:11:42,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:11:42,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:11:42,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:11:42,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:11:42,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:11:42,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:11:42,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:11:42,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:11:42,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:11:42,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:11:42,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:11:42,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:11:42,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:11:42,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:11:42,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:11:42,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:11:42,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:11:42,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:11:42,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:11:42,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:11:42,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:11:42,948 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:11:42,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:11:42,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:11:42,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:11:42,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:11:42,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:11:42,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:11:42,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:11:42,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:11:42,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:11:42,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:11:42,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:11:42,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:11:42,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:11:42,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:11:42,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:11:42,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:11:42,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:11:42,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:11:42,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:11:42,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:11:42,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:11:43,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:11:43,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:11:43,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:11:43,466 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:11:43,466 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:11:43,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2021-01-06 19:11:43,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/31f99f30d/7b22fa3cab8c473999e5f1a48da98c96/FLAG425c5011e [2021-01-06 19:11:44,304 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:11:44,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2021-01-06 19:11:44,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/31f99f30d/7b22fa3cab8c473999e5f1a48da98c96/FLAG425c5011e [2021-01-06 19:11:44,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/31f99f30d/7b22fa3cab8c473999e5f1a48da98c96 [2021-01-06 19:11:44,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:11:44,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:11:44,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:11:44,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:11:44,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:11:44,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:11:44" (1/1) ... [2021-01-06 19:11:44,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b621dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:44, skipping insertion in model container [2021-01-06 19:11:44,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:11:44" (1/1) ... [2021-01-06 19:11:44,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:11:44,706 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:11:45,028 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_spec2_product49.cil.c[18035,18048] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2021-01-06 19:11:45,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:11:45,048 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:11:45,200 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_spec2_product49.cil.c[18035,18048] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2021-01-06 19:11:45,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:11:45,242 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:11:45,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45 WrapperNode [2021-01-06 19:11:45,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:11:45,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:11:45,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:11:45,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:11:45,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (1/1) ... [2021-01-06 19:11:45,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (1/1) ... [2021-01-06 19:11:45,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:11:45,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:11:45,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:11:45,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:11:45,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (1/1) ... [2021-01-06 19:11:45,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (1/1) ... [2021-01-06 19:11:45,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (1/1) ... [2021-01-06 19:11:45,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (1/1) ... [2021-01-06 19:11:45,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (1/1) ... [2021-01-06 19:11:45,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (1/1) ... [2021-01-06 19:11:45,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (1/1) ... [2021-01-06 19:11:45,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:11:45,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:11:45,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:11:45,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:11:45,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (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 [2021-01-06 19:11:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:11:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:11:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:11:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:11:46,684 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:11:46,685 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-01-06 19:11:46,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:46 BoogieIcfgContainer [2021-01-06 19:11:46,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:11:46,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:11:46,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:11:46,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:11:46,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:11:44" (1/3) ... [2021-01-06 19:11:46,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60314ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:11:46, skipping insertion in model container [2021-01-06 19:11:46,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:45" (2/3) ... [2021-01-06 19:11:46,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60314ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:11:46, skipping insertion in model container [2021-01-06 19:11:46,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:46" (3/3) ... [2021-01-06 19:11:46,701 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2021-01-06 19:11:46,709 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:11:46,715 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:11:46,737 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:11:46,770 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:11:46,770 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:11:46,770 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:11:46,770 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:11:46,771 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:11:46,771 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:11:46,771 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:11:46,771 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:11:46,792 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2021-01-06 19:11:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:11:46,800 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:46,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:46,801 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:46,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:46,808 INFO L82 PathProgramCache]: Analyzing trace with hash 682439968, now seen corresponding path program 1 times [2021-01-06 19:11:46,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:46,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57342594] [2021-01-06 19:11:46,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:47,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57342594] [2021-01-06 19:11:47,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:47,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:47,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104745631] [2021-01-06 19:11:47,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:11:47,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:47,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:11:47,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:11:47,278 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2021-01-06 19:11:47,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:47,317 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2021-01-06 19:11:47,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:11:47,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:11:47,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:47,331 INFO L225 Difference]: With dead ends: 235 [2021-01-06 19:11:47,331 INFO L226 Difference]: Without dead ends: 117 [2021-01-06 19:11:47,335 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 [2021-01-06 19:11:47,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-01-06 19:11:47,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-01-06 19:11:47,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2021-01-06 19:11:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2021-01-06 19:11:47,395 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2021-01-06 19:11:47,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:47,396 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2021-01-06 19:11:47,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:11:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-01-06 19:11:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:11:47,397 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:47,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:47,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:11:47,398 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:47,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:47,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1011956893, now seen corresponding path program 1 times [2021-01-06 19:11:47,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:47,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412834018] [2021-01-06 19:11:47,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:47,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412834018] [2021-01-06 19:11:47,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:47,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:11:47,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933887169] [2021-01-06 19:11:47,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:47,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:47,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:47,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:47,590 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2021-01-06 19:11:47,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:47,623 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2021-01-06 19:11:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:47,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:11:47,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:47,628 INFO L225 Difference]: With dead ends: 117 [2021-01-06 19:11:47,629 INFO L226 Difference]: Without dead ends: 49 [2021-01-06 19:11:47,632 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 [2021-01-06 19:11:47,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-01-06 19:11:47,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-01-06 19:11:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-01-06 19:11:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-01-06 19:11:47,650 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-01-06 19:11:47,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:47,652 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-01-06 19:11:47,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-01-06 19:11:47,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:11:47,655 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:47,655 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] [2021-01-06 19:11:47,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:11:47,656 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:47,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:47,657 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2021-01-06 19:11:47,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:47,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037985702] [2021-01-06 19:11:47,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:47,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037985702] [2021-01-06 19:11:47,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:47,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:47,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592526437] [2021-01-06 19:11:47,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:47,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:47,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:47,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:47,814 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2021-01-06 19:11:47,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:47,836 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2021-01-06 19:11:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:47,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:11:47,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:47,841 INFO L225 Difference]: With dead ends: 91 [2021-01-06 19:11:47,841 INFO L226 Difference]: Without dead ends: 49 [2021-01-06 19:11:47,842 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 [2021-01-06 19:11:47,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-01-06 19:11:47,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-01-06 19:11:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-01-06 19:11:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-01-06 19:11:47,863 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-01-06 19:11:47,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:47,864 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-01-06 19:11:47,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-01-06 19:11:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:11:47,867 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:47,867 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] [2021-01-06 19:11:47,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:11:47,868 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:47,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:47,869 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2021-01-06 19:11:47,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:47,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107405404] [2021-01-06 19:11:47,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:47,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107405404] [2021-01-06 19:11:47,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:47,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:47,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992142521] [2021-01-06 19:11:47,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:47,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:47,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:47,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:47,983 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2021-01-06 19:11:48,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:48,047 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-01-06 19:11:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:48,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 19:11:48,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:48,051 INFO L225 Difference]: With dead ends: 113 [2021-01-06 19:11:48,051 INFO L226 Difference]: Without dead ends: 71 [2021-01-06 19:11:48,055 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 [2021-01-06 19:11:48,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-01-06 19:11:48,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2021-01-06 19:11:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-01-06 19:11:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2021-01-06 19:11:48,074 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2021-01-06 19:11:48,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:48,074 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-01-06 19:11:48,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-01-06 19:11:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:11:48,076 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:48,076 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] [2021-01-06 19:11:48,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:11:48,076 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:48,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:48,079 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2021-01-06 19:11:48,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:48,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468984659] [2021-01-06 19:11:48,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:48,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:48,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468984659] [2021-01-06 19:11:48,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:48,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:11:48,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734404184] [2021-01-06 19:11:48,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:48,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:48,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:48,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:48,181 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2021-01-06 19:11:48,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:48,295 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2021-01-06 19:11:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:11:48,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-01-06 19:11:48,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:48,299 INFO L225 Difference]: With dead ends: 182 [2021-01-06 19:11:48,299 INFO L226 Difference]: Without dead ends: 120 [2021-01-06 19:11:48,300 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 [2021-01-06 19:11:48,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-01-06 19:11:48,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2021-01-06 19:11:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-01-06 19:11:48,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-01-06 19:11:48,319 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2021-01-06 19:11:48,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:48,319 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-01-06 19:11:48,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-01-06 19:11:48,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:11:48,322 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:48,323 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] [2021-01-06 19:11:48,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:11:48,325 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:48,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:48,326 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2021-01-06 19:11:48,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:48,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072092532] [2021-01-06 19:11:48,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:48,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072092532] [2021-01-06 19:11:48,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:48,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:11:48,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089335524] [2021-01-06 19:11:48,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:48,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:48,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:48,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:48,421 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2021-01-06 19:11:48,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:48,541 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2021-01-06 19:11:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:11:48,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-01-06 19:11:48,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:48,545 INFO L225 Difference]: With dead ends: 387 [2021-01-06 19:11:48,545 INFO L226 Difference]: Without dead ends: 319 [2021-01-06 19:11:48,547 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 [2021-01-06 19:11:48,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-01-06 19:11:48,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2021-01-06 19:11:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2021-01-06 19:11:48,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2021-01-06 19:11:48,583 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2021-01-06 19:11:48,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:48,586 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2021-01-06 19:11:48,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:48,586 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2021-01-06 19:11:48,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:11:48,591 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:48,591 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] [2021-01-06 19:11:48,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:11:48,592 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:48,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:48,595 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2021-01-06 19:11:48,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:48,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902737850] [2021-01-06 19:11:48,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:48,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902737850] [2021-01-06 19:11:48,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:48,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:11:48,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974196743] [2021-01-06 19:11:48,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:48,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:48,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:48,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:48,694 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2021-01-06 19:11:48,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:48,843 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2021-01-06 19:11:48,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:11:48,843 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:11:48,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:48,846 INFO L225 Difference]: With dead ends: 506 [2021-01-06 19:11:48,847 INFO L226 Difference]: Without dead ends: 378 [2021-01-06 19:11:48,849 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 [2021-01-06 19:11:48,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-01-06 19:11:48,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2021-01-06 19:11:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2021-01-06 19:11:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2021-01-06 19:11:48,870 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2021-01-06 19:11:48,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:48,871 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2021-01-06 19:11:48,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:48,871 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2021-01-06 19:11:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:11:48,873 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:48,874 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] [2021-01-06 19:11:48,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:11:48,874 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:48,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:48,875 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2021-01-06 19:11:48,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:48,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049010528] [2021-01-06 19:11:48,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:48,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049010528] [2021-01-06 19:11:48,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:48,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:11:48,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278622250] [2021-01-06 19:11:48,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:48,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:48,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:48,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:48,969 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2021-01-06 19:11:49,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:49,049 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2021-01-06 19:11:49,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:11:49,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:11:49,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:49,051 INFO L225 Difference]: With dead ends: 357 [2021-01-06 19:11:49,051 INFO L226 Difference]: Without dead ends: 230 [2021-01-06 19:11:49,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:11:49,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-01-06 19:11:49,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2021-01-06 19:11:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-01-06 19:11:49,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2021-01-06 19:11:49,067 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2021-01-06 19:11:49,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:49,067 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2021-01-06 19:11:49,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2021-01-06 19:11:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:11:49,068 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:49,068 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] [2021-01-06 19:11:49,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:11:49,068 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:49,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:49,069 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2021-01-06 19:11:49,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:49,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106777520] [2021-01-06 19:11:49,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:49,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106777520] [2021-01-06 19:11:49,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:49,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:49,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411535267] [2021-01-06 19:11:49,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:49,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:49,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:49,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:49,120 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2021-01-06 19:11:49,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:49,154 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2021-01-06 19:11:49,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:49,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-01-06 19:11:49,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:49,157 INFO L225 Difference]: With dead ends: 327 [2021-01-06 19:11:49,157 INFO L226 Difference]: Without dead ends: 192 [2021-01-06 19:11:49,158 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 [2021-01-06 19:11:49,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-01-06 19:11:49,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2021-01-06 19:11:49,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2021-01-06 19:11:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2021-01-06 19:11:49,178 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2021-01-06 19:11:49,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:49,178 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-01-06 19:11:49,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2021-01-06 19:11:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:11:49,179 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:49,179 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] [2021-01-06 19:11:49,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:11:49,180 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:49,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:49,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2021-01-06 19:11:49,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:49,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105683351] [2021-01-06 19:11:49,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:49,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105683351] [2021-01-06 19:11:49,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:49,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:11:49,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917982836] [2021-01-06 19:11:49,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:49,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:49,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:49,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:49,247 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2021-01-06 19:11:49,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:49,293 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2021-01-06 19:11:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:49,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-01-06 19:11:49,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:49,296 INFO L225 Difference]: With dead ends: 295 [2021-01-06 19:11:49,296 INFO L226 Difference]: Without dead ends: 293 [2021-01-06 19:11:49,297 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 [2021-01-06 19:11:49,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-01-06 19:11:49,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2021-01-06 19:11:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2021-01-06 19:11:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2021-01-06 19:11:49,320 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2021-01-06 19:11:49,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:49,320 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2021-01-06 19:11:49,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:49,320 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2021-01-06 19:11:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:11:49,321 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:49,322 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:49,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:11:49,322 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:49,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:49,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1385466613, now seen corresponding path program 1 times [2021-01-06 19:11:49,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:49,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841515937] [2021-01-06 19:11:49,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:49,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841515937] [2021-01-06 19:11:49,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979522627] [2021-01-06 19:11:49,390 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 [2021-01-06 19:11:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:49,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 19:11:49,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:11:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:49,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:11:49,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-01-06 19:11:49,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332943881] [2021-01-06 19:11:49,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:49,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:49,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:49,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:49,613 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2021-01-06 19:11:49,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:49,686 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2021-01-06 19:11:49,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:49,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 19:11:49,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:49,689 INFO L225 Difference]: With dead ends: 374 [2021-01-06 19:11:49,689 INFO L226 Difference]: Without dead ends: 197 [2021-01-06 19:11:49,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:49,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-01-06 19:11:49,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-01-06 19:11:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2021-01-06 19:11:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2021-01-06 19:11:49,709 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2021-01-06 19:11:49,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:49,709 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2021-01-06 19:11:49,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2021-01-06 19:11:49,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:11:49,711 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:49,711 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:49,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 19:11:49,925 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:49,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:49,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1874884889, now seen corresponding path program 1 times [2021-01-06 19:11:49,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:49,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100126782] [2021-01-06 19:11:49,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-06 19:11:50,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100126782] [2021-01-06 19:11:50,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039899611] [2021-01-06 19:11:50,037 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:11:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:50,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-06 19:11:50,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:11:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:11:50,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:11:50,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-01-06 19:11:50,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547312] [2021-01-06 19:11:50,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:50,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:50,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:50,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:11:50,344 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2021-01-06 19:11:50,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:50,429 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2021-01-06 19:11:50,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:11:50,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-01-06 19:11:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:50,432 INFO L225 Difference]: With dead ends: 494 [2021-01-06 19:11:50,432 INFO L226 Difference]: Without dead ends: 354 [2021-01-06 19:11:50,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:11:50,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-01-06 19:11:50,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2021-01-06 19:11:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2021-01-06 19:11:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2021-01-06 19:11:50,458 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2021-01-06 19:11:50,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:50,458 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2021-01-06 19:11:50,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:50,458 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2021-01-06 19:11:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:11:50,459 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:50,459 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:50,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 19:11:50,673 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:50,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:50,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1616719451, now seen corresponding path program 1 times [2021-01-06 19:11:50,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:50,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146536397] [2021-01-06 19:11:50,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:50,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146536397] [2021-01-06 19:11:50,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:50,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:11:50,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158062451] [2021-01-06 19:11:50,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:11:50,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:50,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:11:50,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:11:50,838 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2021-01-06 19:11:50,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:50,992 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2021-01-06 19:11:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:11:50,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2021-01-06 19:11:50,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:50,993 INFO L225 Difference]: With dead ends: 485 [2021-01-06 19:11:50,993 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:11:50,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:11:50,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:11:50,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:11:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:11:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:11:50,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-01-06 19:11:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:50,995 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:11:50,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:11:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:11:50,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:11:50,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:11:50,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:11:51,129 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-01-06 19:11:51,568 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-01-06 19:11:51,693 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-01-06 19:11:51,803 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2021-01-06 19:11:52,040 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2021-01-06 19:11:52,220 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2021-01-06 19:11:52,390 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2021-01-06 19:11:52,658 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2021-01-06 19:11:52,822 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2021-01-06 19:11:53,054 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-01-06 19:11:53,435 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2021-01-06 19:11:53,640 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2021-01-06 19:11:54,026 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2021-01-06 19:11:54,034 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-01-06 19:11:54,034 INFO L189 CegarLoopUtils]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,034 INFO L189 CegarLoopUtils]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,034 INFO L189 CegarLoopUtils]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,035 INFO L189 CegarLoopUtils]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,035 INFO L189 CegarLoopUtils]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,035 INFO L189 CegarLoopUtils]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,035 INFO L189 CegarLoopUtils]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,035 INFO L189 CegarLoopUtils]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,035 INFO L189 CegarLoopUtils]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,035 INFO L189 CegarLoopUtils]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,035 INFO L189 CegarLoopUtils]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,036 INFO L189 CegarLoopUtils]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2021-01-06 19:11:54,036 INFO L189 CegarLoopUtils]: For program point L434(lines 434 442) no Hoare annotation was computed. [2021-01-06 19:11:54,036 INFO L189 CegarLoopUtils]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2021-01-06 19:11:54,036 INFO L189 CegarLoopUtils]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2021-01-06 19:11:54,036 INFO L189 CegarLoopUtils]: For program point L237(lines 237 243) no Hoare annotation was computed. [2021-01-06 19:11:54,036 INFO L189 CegarLoopUtils]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2021-01-06 19:11:54,036 INFO L189 CegarLoopUtils]: For program point L237-2(lines 237 243) no Hoare annotation was computed. [2021-01-06 19:11:54,036 INFO L189 CegarLoopUtils]: For program point L237-3(lines 237 243) no Hoare annotation was computed. [2021-01-06 19:11:54,037 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:11:54,037 INFO L189 CegarLoopUtils]: For program point L237-4(lines 237 243) no Hoare annotation was computed. [2021-01-06 19:11:54,037 INFO L189 CegarLoopUtils]: For program point L237-5(lines 237 243) no Hoare annotation was computed. [2021-01-06 19:11:54,037 INFO L189 CegarLoopUtils]: For program point L172(lines 172 176) no Hoare annotation was computed. [2021-01-06 19:11:54,037 INFO L189 CegarLoopUtils]: For program point L932(line 932) no Hoare annotation was computed. [2021-01-06 19:11:54,037 INFO L189 CegarLoopUtils]: For program point L932-1(line 932) no Hoare annotation was computed. [2021-01-06 19:11:54,037 INFO L189 CegarLoopUtils]: For program point L932-2(line 932) no Hoare annotation was computed. [2021-01-06 19:11:54,038 INFO L189 CegarLoopUtils]: For program point L404(lines 404 421) no Hoare annotation was computed. [2021-01-06 19:11:54,038 INFO L189 CegarLoopUtils]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2021-01-06 19:11:54,038 INFO L189 CegarLoopUtils]: For program point L338(lines 338 349) no Hoare annotation was computed. [2021-01-06 19:11:54,038 INFO L189 CegarLoopUtils]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2021-01-06 19:11:54,038 INFO L189 CegarLoopUtils]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2021-01-06 19:11:54,038 INFO L189 CegarLoopUtils]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2021-01-06 19:11:54,038 INFO L189 CegarLoopUtils]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2021-01-06 19:11:54,039 INFO L185 CegarLoopUtils]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 .cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)))) [2021-01-06 19:11:54,039 INFO L189 CegarLoopUtils]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2021-01-06 19:11:54,039 INFO L185 CegarLoopUtils]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2021-01-06 19:11:54,039 INFO L185 CegarLoopUtils]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2021-01-06 19:11:54,039 INFO L185 CegarLoopUtils]: At program point L967(lines 962 970) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:11:54,039 INFO L185 CegarLoopUtils]: At program point L538(lines 523 541) the Hoare annotation is: false [2021-01-06 19:11:54,040 INFO L185 CegarLoopUtils]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0))) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6) (and .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse8 .cse7) (and .cse0 .cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse3 .cse5 .cse6 .cse8))) [2021-01-06 19:11:54,040 INFO L185 CegarLoopUtils]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2021-01-06 19:11:54,040 INFO L185 CegarLoopUtils]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2021-01-06 19:11:54,040 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-01-06 19:11:54,040 INFO L185 CegarLoopUtils]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2021-01-06 19:11:54,040 INFO L185 CegarLoopUtils]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2021-01-06 19:11:54,040 INFO L185 CegarLoopUtils]: At program point L242(lines 233 246) the Hoare annotation is: false [2021-01-06 19:11:54,041 INFO L185 CegarLoopUtils]: At program point L242-1(lines 233 246) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse5 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse6) (and .cse5 .cse0 .cse2 .cse3 .cse6 .cse4))) [2021-01-06 19:11:54,041 INFO L185 CegarLoopUtils]: At program point L242-2(lines 233 246) the Hoare annotation is: false [2021-01-06 19:11:54,041 INFO L185 CegarLoopUtils]: At program point L242-3(lines 233 246) the Hoare annotation is: false [2021-01-06 19:11:54,041 INFO L192 CegarLoopUtils]: At program point L143(lines 124 146) the Hoare annotation is: true [2021-01-06 19:11:54,041 INFO L185 CegarLoopUtils]: At program point L242-4(lines 233 246) the Hoare annotation is: false [2021-01-06 19:11:54,041 INFO L185 CegarLoopUtils]: At program point L242-5(lines 233 246) the Hoare annotation is: false [2021-01-06 19:11:54,041 INFO L189 CegarLoopUtils]: For program point L408(lines 408 416) no Hoare annotation was computed. [2021-01-06 19:11:54,042 INFO L189 CegarLoopUtils]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2021-01-06 19:11:54,042 INFO L189 CegarLoopUtils]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2021-01-06 19:11:54,042 INFO L189 CegarLoopUtils]: For program point L309(lines 308 353) no Hoare annotation was computed. [2021-01-06 19:11:54,042 INFO L189 CegarLoopUtils]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2021-01-06 19:11:54,042 INFO L189 CegarLoopUtils]: For program point L276(lines 276 293) no Hoare annotation was computed. [2021-01-06 19:11:54,042 INFO L189 CegarLoopUtils]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2021-01-06 19:11:54,042 INFO L185 CegarLoopUtils]: At program point L276-1(lines 1 970) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2021-01-06 19:11:54,042 INFO L189 CegarLoopUtils]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2021-01-06 19:11:54,043 INFO L189 CegarLoopUtils]: For program point L276-2(lines 276 293) no Hoare annotation was computed. [2021-01-06 19:11:54,043 INFO L185 CegarLoopUtils]: At program point L276-3(lines 1 970) the Hoare annotation is: false [2021-01-06 19:11:54,043 INFO L189 CegarLoopUtils]: For program point L276-4(lines 276 293) no Hoare annotation was computed. [2021-01-06 19:11:54,043 INFO L185 CegarLoopUtils]: At program point L276-5(lines 1 970) the Hoare annotation is: false [2021-01-06 19:11:54,043 INFO L189 CegarLoopUtils]: For program point L310(lines 310 314) no Hoare annotation was computed. [2021-01-06 19:11:54,043 INFO L189 CegarLoopUtils]: For program point L344(lines 344 348) no Hoare annotation was computed. [2021-01-06 19:11:54,043 INFO L189 CegarLoopUtils]: For program point L344-2(lines 372 378) no Hoare annotation was computed. [2021-01-06 19:11:54,044 INFO L185 CegarLoopUtils]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3 .cse5) (and .cse4 .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse3) (and .cse0 .cse2 .cse3 .cse6 .cse5) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse6))) [2021-01-06 19:11:54,044 INFO L185 CegarLoopUtils]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2021-01-06 19:11:54,044 INFO L185 CegarLoopUtils]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2021-01-06 19:11:54,044 INFO L189 CegarLoopUtils]: For program point L280(lines 280 290) no Hoare annotation was computed. [2021-01-06 19:11:54,044 INFO L189 CegarLoopUtils]: For program point L280-2(lines 280 290) no Hoare annotation was computed. [2021-01-06 19:11:54,044 INFO L189 CegarLoopUtils]: For program point L280-4(lines 280 290) no Hoare annotation was computed. [2021-01-06 19:11:54,044 INFO L189 CegarLoopUtils]: For program point L281(lines 281 287) no Hoare annotation was computed. [2021-01-06 19:11:54,044 INFO L189 CegarLoopUtils]: For program point L281-2(lines 281 287) no Hoare annotation was computed. [2021-01-06 19:11:54,044 INFO L189 CegarLoopUtils]: For program point L281-4(lines 281 287) no Hoare annotation was computed. [2021-01-06 19:11:54,044 INFO L189 CegarLoopUtils]: For program point L184(lines 184 188) no Hoare annotation was computed. [2021-01-06 19:11:54,045 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:11:54,045 INFO L185 CegarLoopUtils]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 .cse5 .cse2 .cse6) (and .cse0 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2))) [2021-01-06 19:11:54,045 INFO L185 CegarLoopUtils]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2021-01-06 19:11:54,045 INFO L185 CegarLoopUtils]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2021-01-06 19:11:54,045 INFO L189 CegarLoopUtils]: For program point L318(lines 318 324) no Hoare annotation was computed. [2021-01-06 19:11:54,045 INFO L185 CegarLoopUtils]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2021-01-06 19:11:54,046 INFO L185 CegarLoopUtils]: At program point L252(lines 247 255) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-01-06 19:11:54,046 INFO L185 CegarLoopUtils]: At program point L252-1(lines 247 255) the Hoare annotation is: false [2021-01-06 19:11:54,046 INFO L185 CegarLoopUtils]: At program point L252-2(lines 247 255) the Hoare annotation is: false [2021-01-06 19:11:54,046 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-01-06 19:11:54,046 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-01-06 19:11:54,046 INFO L189 CegarLoopUtils]: For program point L551(lines 551 555) no Hoare annotation was computed. [2021-01-06 19:11:54,046 INFO L189 CegarLoopUtils]: For program point L551-2(lines 551 555) no Hoare annotation was computed. [2021-01-06 19:11:54,046 INFO L189 CegarLoopUtils]: For program point L551-3(lines 551 555) no Hoare annotation was computed. [2021-01-06 19:11:54,046 INFO L189 CegarLoopUtils]: For program point L551-5(lines 551 555) no Hoare annotation was computed. [2021-01-06 19:11:54,046 INFO L189 CegarLoopUtils]: For program point L551-6(lines 551 555) no Hoare annotation was computed. [2021-01-06 19:11:54,047 INFO L189 CegarLoopUtils]: For program point L551-8(lines 551 555) no Hoare annotation was computed. [2021-01-06 19:11:54,047 INFO L185 CegarLoopUtils]: At program point L354(lines 307 355) the Hoare annotation is: false [2021-01-06 19:11:54,047 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:11:54,047 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-01-06 19:11:54,047 INFO L189 CegarLoopUtils]: For program point L58-1(lines 372 378) no Hoare annotation was computed. [2021-01-06 19:11:54,047 INFO L189 CegarLoopUtils]: For program point L160(lines 160 164) no Hoare annotation was computed. [2021-01-06 19:11:54,047 INFO L189 CegarLoopUtils]: For program point L160-3(lines 160 164) no Hoare annotation was computed. [2021-01-06 19:11:54,047 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:11:54,047 INFO L189 CegarLoopUtils]: For program point L160-6(lines 160 164) no Hoare annotation was computed. [2021-01-06 19:11:54,048 INFO L185 CegarLoopUtils]: At program point L557(lines 542 560) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0)) [2021-01-06 19:11:54,048 INFO L185 CegarLoopUtils]: At program point L557-1(lines 542 560) the Hoare annotation is: false [2021-01-06 19:11:54,048 INFO L185 CegarLoopUtils]: At program point L557-2(lines 542 560) the Hoare annotation is: false [2021-01-06 19:11:54,048 INFO L189 CegarLoopUtils]: For program point L328(lines 328 334) no Hoare annotation was computed. [2021-01-06 19:11:54,048 INFO L185 CegarLoopUtils]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2021-01-06 19:11:54,048 INFO L185 CegarLoopUtils]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse5 .cse0 .cse4 .cse3 .cse6) (and .cse5 (= ~methaneLevelCritical~0 0) .cse0 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3) (and .cse0 .cse1 .cse3 .cse2 .cse6))) [2021-01-06 19:11:54,049 INFO L185 CegarLoopUtils]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2021-01-06 19:11:54,049 INFO L185 CegarLoopUtils]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2021-01-06 19:11:54,049 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:11:54,049 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-01-06 19:11:54,049 INFO L189 CegarLoopUtils]: For program point L430(lines 430 447) no Hoare annotation was computed. [2021-01-06 19:11:54,049 INFO L189 CegarLoopUtils]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2021-01-06 19:11:54,049 INFO L189 CegarLoopUtils]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2021-01-06 19:11:54,050 INFO L185 CegarLoopUtils]: At program point L265(lines 260 267) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:11:54,050 INFO L185 CegarLoopUtils]: At program point L959(lines 1 970) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:11:54,050 INFO L189 CegarLoopUtils]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-01-06 19:11:54,050 INFO L192 CegarLoopUtils]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2021-01-06 19:11:54,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:11:54 BoogieIcfgContainer [2021-01-06 19:11:54,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:11:54,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:11:54,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:11:54,082 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:11:54,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:46" (3/4) ... [2021-01-06 19:11:54,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:11:54,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:11:54,109 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:11:54,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:11:54,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:11:54,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:11:54,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:11:54,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:11:54,152 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2021-01-06 19:11:54,152 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-01-06 19:11:54,154 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2021-01-06 19:11:54,154 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2021-01-06 19:11:54,155 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2021-01-06 19:11:54,155 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:11:54,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= tmp___0) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel [2021-01-06 19:11:54,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((((!(tmp == 0) && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-01-06 19:11:54,251 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product49.cil.c-witness.graphml [2021-01-06 19:11:54,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:11:54,252 INFO L168 Benchmark]: Toolchain (without parser) took 9636.48 ms. Allocated memory was 157.3 MB in the beginning and 250.6 MB in the end (delta: 93.3 MB). Free memory was 132.2 MB in the beginning and 158.5 MB in the end (delta: -26.3 MB). Peak memory consumption was 68.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:54,253 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 157.3 MB. Free memory is still 129.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:11:54,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.86 ms. Allocated memory is still 157.3 MB. Free memory was 132.0 MB in the beginning and 110.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:54,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.83 ms. Allocated memory is still 157.3 MB. Free memory was 110.2 MB in the beginning and 139.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:54,255 INFO L168 Benchmark]: Boogie Preprocessor took 49.90 ms. Allocated memory is still 157.3 MB. Free memory was 139.6 MB in the beginning and 137.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:54,258 INFO L168 Benchmark]: RCFGBuilder took 1274.62 ms. Allocated memory is still 157.3 MB. Free memory was 137.0 MB in the beginning and 74.6 MB in the end (delta: 62.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:54,259 INFO L168 Benchmark]: TraceAbstraction took 7391.79 ms. Allocated memory was 157.3 MB in the beginning and 250.6 MB in the end (delta: 93.3 MB). Free memory was 74.1 MB in the beginning and 169.1 MB in the end (delta: -95.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:54,260 INFO L168 Benchmark]: Witness Printer took 169.94 ms. Allocated memory is still 250.6 MB. Free memory was 169.1 MB in the beginning and 158.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:54,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 157.3 MB. Free memory is still 129.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 620.86 ms. Allocated memory is still 157.3 MB. Free memory was 132.0 MB in the beginning and 110.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 116.83 ms. Allocated memory is still 157.3 MB. Free memory was 110.2 MB in the beginning and 139.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 49.90 ms. Allocated memory is still 157.3 MB. Free memory was 139.6 MB in the beginning and 137.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1274.62 ms. Allocated memory is still 157.3 MB. Free memory was 137.0 MB in the beginning and 74.6 MB in the end (delta: 62.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7391.79 ms. Allocated memory was 157.3 MB in the beginning and 250.6 MB in the end (delta: 93.3 MB). Free memory was 74.1 MB in the beginning and 169.1 MB in the end (delta: -95.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 8.0 GB. * Witness Printer took 169.94 ms. Allocated memory is still 250.6 MB. Free memory was 169.1 MB in the beginning and 158.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: 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: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= tmp___0) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((((!(tmp == 0) && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1241 SDtfs, 1351 SDslu, 1645 SDs, 0 SdLazy, 210 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 156 NumberOfFragments, 717 HoareAnnotationTreeSize, 43 FomulaSimplifications, 220797 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 43 FomulaSimplificationsInter, 12949 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 46009 SizeOfPredicates, 3 NumberOfNonLiveVariables, 886 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 80/99 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...