/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:13:53,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:13:53,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:13:53,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:13:53,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:13:53,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:13:53,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:13:53,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:13:53,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:13:53,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:13:53,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:13:53,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:13:53,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:13:53,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:13:53,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:13:53,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:13:53,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:13:53,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:13:53,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:13:53,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:13:53,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:13:53,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:13:53,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:13:53,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:13:53,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:13:53,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:13:53,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:13:53,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:13:53,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:13:53,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:13:53,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:13:53,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:13:53,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:13:53,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:13:53,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:13:53,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:13:53,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:13:53,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:13:53,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:13:53,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:13:53,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:13:53,261 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 19:13:53,306 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:13:53,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:13:53,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:13:53,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:13:53,312 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:13:53,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:13:53,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:13:53,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:13:53,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:13:53,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:13:53,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:13:53,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:13:53,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:13:53,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:13:53,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:13:53,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:13:53,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:13:53,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:13:53,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:13:53,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:13:53,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:13:53,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:13:53,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:13:53,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:13:53,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:13:53,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:13:53,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:13:53,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:13:53,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:13:53,836 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:13:53,837 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:13:53,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-01-06 19:13:53,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f08216561/e4a71590a37e4ef8b11f2195a3905cc6/FLAG07c86f491 [2021-01-06 19:13:54,672 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:13:54,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-01-06 19:13:54,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f08216561/e4a71590a37e4ef8b11f2195a3905cc6/FLAG07c86f491 [2021-01-06 19:13:54,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f08216561/e4a71590a37e4ef8b11f2195a3905cc6 [2021-01-06 19:13:54,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:13:54,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:13:54,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:54,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:13:54,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:13:54,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:54" (1/1) ... [2021-01-06 19:13:54,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74866705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:54, skipping insertion in model container [2021-01-06 19:13:54,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:54" (1/1) ... [2021-01-06 19:13:54,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:13:55,022 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~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~2,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] [2021-01-06 19:13:55,340 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13139,13152] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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 19:13:55,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:55,396 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~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~2,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] [2021-01-06 19:13:55,468 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13139,13152] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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 19:13:55,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:55,544 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:13:55,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55 WrapperNode [2021-01-06 19:13:55,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:55,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:55,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:13:55,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:13:55,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:55,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:13:55,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:13:55,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:13:55,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:13:55,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:13:55,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:13:55,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:13:55,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (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 19:13:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:13:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:13:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:13:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:13:57,322 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:13:57,323 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-01-06 19:13:57,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:57 BoogieIcfgContainer [2021-01-06 19:13:57,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:13:57,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:13:57,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:13:57,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:13:57,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:13:54" (1/3) ... [2021-01-06 19:13:57,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ff6792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:57, skipping insertion in model container [2021-01-06 19:13:57,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (2/3) ... [2021-01-06 19:13:57,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ff6792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:57, skipping insertion in model container [2021-01-06 19:13:57,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:57" (3/3) ... [2021-01-06 19:13:57,335 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2021-01-06 19:13:57,342 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:13:57,348 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:13:57,368 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:13:57,398 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:13:57,398 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:13:57,398 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:13:57,399 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:13:57,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:13:57,399 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:13:57,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:13:57,399 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:13:57,420 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2021-01-06 19:13:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 19:13:57,428 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:57,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:57,429 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:57,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:57,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2021-01-06 19:13:57,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:57,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893553127] [2021-01-06 19:13:57,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:57,796 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 19:13:57,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893553127] [2021-01-06 19:13:57,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:57,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:57,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807861435] [2021-01-06 19:13:57,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:13:57,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:57,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:13:57,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:13:57,822 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2021-01-06 19:13:57,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:57,872 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-01-06 19:13:57,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:13:57,873 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-01-06 19:13:57,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:57,886 INFO L225 Difference]: With dead ends: 268 [2021-01-06 19:13:57,886 INFO L226 Difference]: Without dead ends: 133 [2021-01-06 19:13:57,891 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 19:13:57,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-01-06 19:13:57,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-01-06 19:13:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-01-06 19:13:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-01-06 19:13:57,953 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-01-06 19:13:57,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:57,953 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-01-06 19:13:57,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:13:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-01-06 19:13:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 19:13:57,955 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:57,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:57,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:13:57,956 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:57,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:57,957 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2021-01-06 19:13:57,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:57,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752028432] [2021-01-06 19:13:57,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:58,134 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 19:13:58,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752028432] [2021-01-06 19:13:58,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:58,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:13:58,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373441233] [2021-01-06 19:13:58,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:58,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:58,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:58,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:58,141 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2021-01-06 19:13:58,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:58,164 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-01-06 19:13:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:58,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 19:13:58,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:58,166 INFO L225 Difference]: With dead ends: 133 [2021-01-06 19:13:58,167 INFO L226 Difference]: Without dead ends: 55 [2021-01-06 19:13:58,168 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 19:13:58,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-01-06 19:13:58,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-01-06 19:13:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-01-06 19:13:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-01-06 19:13:58,177 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-01-06 19:13:58,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:58,178 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-01-06 19:13:58,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:58,178 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-01-06 19:13:58,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 19:13:58,179 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:58,179 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] [2021-01-06 19:13:58,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:13:58,180 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:58,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:58,181 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2021-01-06 19:13:58,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:58,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467059170] [2021-01-06 19:13:58,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:58,292 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 19:13:58,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467059170] [2021-01-06 19:13:58,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:58,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:58,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112232698] [2021-01-06 19:13:58,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:58,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:58,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:58,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:58,299 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2021-01-06 19:13:58,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:58,392 INFO L93 Difference]: Finished difference Result 127 states and 186 transitions. [2021-01-06 19:13:58,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:58,393 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-01-06 19:13:58,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:58,395 INFO L225 Difference]: With dead ends: 127 [2021-01-06 19:13:58,395 INFO L226 Difference]: Without dead ends: 78 [2021-01-06 19:13:58,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:58,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-01-06 19:13:58,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2021-01-06 19:13:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-01-06 19:13:58,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-01-06 19:13:58,414 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-01-06 19:13:58,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:58,415 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-01-06 19:13:58,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-01-06 19:13:58,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:13:58,417 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:58,418 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 19:13:58,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:13:58,419 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:58,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:58,420 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2021-01-06 19:13:58,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:58,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666317738] [2021-01-06 19:13:58,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:58,485 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 19:13:58,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666317738] [2021-01-06 19:13:58,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:58,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:58,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247211937] [2021-01-06 19:13:58,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:58,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:58,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:58,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:58,488 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2021-01-06 19:13:58,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:58,532 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-01-06 19:13:58,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:58,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:13:58,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:58,534 INFO L225 Difference]: With dead ends: 163 [2021-01-06 19:13:58,535 INFO L226 Difference]: Without dead ends: 95 [2021-01-06 19:13:58,536 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 19:13:58,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-01-06 19:13:58,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-01-06 19:13:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2021-01-06 19:13:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-01-06 19:13:58,549 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-01-06 19:13:58,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:58,549 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-01-06 19:13:58,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-01-06 19:13:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 19:13:58,551 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:58,551 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] [2021-01-06 19:13:58,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:13:58,551 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:58,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:58,552 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2021-01-06 19:13:58,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:58,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101654601] [2021-01-06 19:13:58,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:58,721 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 19:13:58,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101654601] [2021-01-06 19:13:58,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:58,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:13:58,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841110524] [2021-01-06 19:13:58,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:13:58,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:58,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:13:58,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:58,724 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 8 states. [2021-01-06 19:13:59,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:59,233 INFO L93 Difference]: Finished difference Result 599 states and 872 transitions. [2021-01-06 19:13:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 19:13:59,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2021-01-06 19:13:59,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:59,240 INFO L225 Difference]: With dead ends: 599 [2021-01-06 19:13:59,240 INFO L226 Difference]: Without dead ends: 512 [2021-01-06 19:13:59,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-01-06 19:13:59,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2021-01-06 19:13:59,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 231. [2021-01-06 19:13:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2021-01-06 19:13:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 322 transitions. [2021-01-06 19:13:59,283 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 322 transitions. Word has length 25 [2021-01-06 19:13:59,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:59,283 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 322 transitions. [2021-01-06 19:13:59,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:13:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2021-01-06 19:13:59,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 19:13:59,286 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:59,286 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:59,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:13:59,287 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:59,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:59,288 INFO L82 PathProgramCache]: Analyzing trace with hash 2071461866, now seen corresponding path program 1 times [2021-01-06 19:13:59,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:59,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148698498] [2021-01-06 19:13:59,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:59,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148698498] [2021-01-06 19:13:59,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494915157] [2021-01-06 19:13:59,354 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 19:13:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:59,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:13:59,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:13:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:59,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:13:59,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-01-06 19:13:59,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316153684] [2021-01-06 19:13:59,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:13:59,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:59,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:13:59,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:59,660 INFO L87 Difference]: Start difference. First operand 231 states and 322 transitions. Second operand 4 states. [2021-01-06 19:13:59,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:59,839 INFO L93 Difference]: Finished difference Result 516 states and 733 transitions. [2021-01-06 19:13:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:13:59,840 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2021-01-06 19:13:59,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:59,843 INFO L225 Difference]: With dead ends: 516 [2021-01-06 19:13:59,843 INFO L226 Difference]: Without dead ends: 353 [2021-01-06 19:13:59,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:59,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-01-06 19:13:59,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 341. [2021-01-06 19:13:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2021-01-06 19:13:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 481 transitions. [2021-01-06 19:13:59,879 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 481 transitions. Word has length 41 [2021-01-06 19:13:59,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:59,880 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 481 transitions. [2021-01-06 19:13:59,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:13:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 481 transitions. [2021-01-06 19:13:59,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 19:13:59,883 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:59,884 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-01-06 19:14:00,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-06 19:14:00,098 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:00,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:00,100 INFO L82 PathProgramCache]: Analyzing trace with hash -432399250, now seen corresponding path program 1 times [2021-01-06 19:14:00,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:00,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448329011] [2021-01-06 19:14:00,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 19:14:00,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448329011] [2021-01-06 19:14:00,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:00,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:00,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451978740] [2021-01-06 19:14:00,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:00,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:00,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:00,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:00,198 INFO L87 Difference]: Start difference. First operand 341 states and 481 transitions. Second operand 5 states. [2021-01-06 19:14:00,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:00,334 INFO L93 Difference]: Finished difference Result 1051 states and 1472 transitions. [2021-01-06 19:14:00,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:14:00,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-01-06 19:14:00,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:00,341 INFO L225 Difference]: With dead ends: 1051 [2021-01-06 19:14:00,342 INFO L226 Difference]: Without dead ends: 716 [2021-01-06 19:14:00,343 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 19:14:00,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-01-06 19:14:00,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 362. [2021-01-06 19:14:00,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2021-01-06 19:14:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 502 transitions. [2021-01-06 19:14:00,386 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 502 transitions. Word has length 53 [2021-01-06 19:14:00,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:00,387 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 502 transitions. [2021-01-06 19:14:00,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 502 transitions. [2021-01-06 19:14:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 19:14:00,394 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:00,395 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-01-06 19:14:00,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:14:00,395 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:00,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:00,396 INFO L82 PathProgramCache]: Analyzing trace with hash -504785808, now seen corresponding path program 1 times [2021-01-06 19:14:00,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:00,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263300644] [2021-01-06 19:14:00,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 19:14:00,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263300644] [2021-01-06 19:14:00,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:00,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:14:00,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164337576] [2021-01-06 19:14:00,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:14:00,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:00,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:14:00,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:14:00,508 INFO L87 Difference]: Start difference. First operand 362 states and 502 transitions. Second operand 4 states. [2021-01-06 19:14:00,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:00,601 INFO L93 Difference]: Finished difference Result 840 states and 1169 transitions. [2021-01-06 19:14:00,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:14:00,601 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-01-06 19:14:00,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:00,605 INFO L225 Difference]: With dead ends: 840 [2021-01-06 19:14:00,605 INFO L226 Difference]: Without dead ends: 484 [2021-01-06 19:14:00,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:00,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2021-01-06 19:14:00,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 316. [2021-01-06 19:14:00,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-01-06 19:14:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 434 transitions. [2021-01-06 19:14:00,643 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 434 transitions. Word has length 53 [2021-01-06 19:14:00,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:00,643 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 434 transitions. [2021-01-06 19:14:00,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:14:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 434 transitions. [2021-01-06 19:14:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 19:14:00,646 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:00,646 INFO L422 BasicCegarLoop]: trace histogram [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 19:14:00,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:14:00,646 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:00,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:00,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1070084556, now seen corresponding path program 1 times [2021-01-06 19:14:00,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:00,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277908978] [2021-01-06 19:14:00,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:14:00,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277908978] [2021-01-06 19:14:00,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:00,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:00,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379910976] [2021-01-06 19:14:00,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:00,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:00,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:00,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:00,762 INFO L87 Difference]: Start difference. First operand 316 states and 434 transitions. Second operand 5 states. [2021-01-06 19:14:00,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:00,916 INFO L93 Difference]: Finished difference Result 1158 states and 1614 transitions. [2021-01-06 19:14:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:14:00,916 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-01-06 19:14:00,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:00,922 INFO L225 Difference]: With dead ends: 1158 [2021-01-06 19:14:00,926 INFO L226 Difference]: Without dead ends: 890 [2021-01-06 19:14:00,928 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 19:14:00,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2021-01-06 19:14:00,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 322. [2021-01-06 19:14:00,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2021-01-06 19:14:00,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 440 transitions. [2021-01-06 19:14:00,971 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 440 transitions. Word has length 54 [2021-01-06 19:14:00,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:00,974 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 440 transitions. [2021-01-06 19:14:00,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:00,974 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 440 transitions. [2021-01-06 19:14:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 19:14:00,975 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:00,975 INFO L422 BasicCegarLoop]: trace histogram [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 19:14:00,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:14:00,976 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:00,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:00,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1463111566, now seen corresponding path program 1 times [2021-01-06 19:14:00,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:00,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202449878] [2021-01-06 19:14:00,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:14:01,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202449878] [2021-01-06 19:14:01,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:01,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:01,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270912899] [2021-01-06 19:14:01,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:01,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:01,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:01,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:01,076 INFO L87 Difference]: Start difference. First operand 322 states and 440 transitions. Second operand 5 states. [2021-01-06 19:14:01,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:01,293 INFO L93 Difference]: Finished difference Result 859 states and 1177 transitions. [2021-01-06 19:14:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:14:01,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-01-06 19:14:01,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:01,300 INFO L225 Difference]: With dead ends: 859 [2021-01-06 19:14:01,300 INFO L226 Difference]: Without dead ends: 857 [2021-01-06 19:14:01,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 19:14:01,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2021-01-06 19:14:01,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 322. [2021-01-06 19:14:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2021-01-06 19:14:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 435 transitions. [2021-01-06 19:14:01,347 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 435 transitions. Word has length 54 [2021-01-06 19:14:01,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:01,347 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 435 transitions. [2021-01-06 19:14:01,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 435 transitions. [2021-01-06 19:14:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 19:14:01,349 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:01,350 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2021-01-06 19:14:01,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:14:01,352 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:01,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:01,353 INFO L82 PathProgramCache]: Analyzing trace with hash 492427471, now seen corresponding path program 1 times [2021-01-06 19:14:01,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:01,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444842862] [2021-01-06 19:14:01,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:01,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444842862] [2021-01-06 19:14:01,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755594828] [2021-01-06 19:14:01,487 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 19:14:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:01,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-06 19:14:01,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:14:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:01,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:14:01,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-01-06 19:14:01,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064283225] [2021-01-06 19:14:01,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:14:01,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:01,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:14:01,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:14:01,760 INFO L87 Difference]: Start difference. First operand 322 states and 435 transitions. Second operand 6 states. [2021-01-06 19:14:02,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:02,058 INFO L93 Difference]: Finished difference Result 722 states and 975 transitions. [2021-01-06 19:14:02,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:14:02,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2021-01-06 19:14:02,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:02,062 INFO L225 Difference]: With dead ends: 722 [2021-01-06 19:14:02,062 INFO L226 Difference]: Without dead ends: 448 [2021-01-06 19:14:02,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:14:02,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-01-06 19:14:02,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 284. [2021-01-06 19:14:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2021-01-06 19:14:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 377 transitions. [2021-01-06 19:14:02,099 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 377 transitions. Word has length 55 [2021-01-06 19:14:02,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:02,100 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 377 transitions. [2021-01-06 19:14:02,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:14:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 377 transitions. [2021-01-06 19:14:02,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 19:14:02,101 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:02,101 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 19:14:02,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:14:02,317 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:02,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:02,318 INFO L82 PathProgramCache]: Analyzing trace with hash 533191345, now seen corresponding path program 2 times [2021-01-06 19:14:02,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:02,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111632664] [2021-01-06 19:14:02,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:14:02,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111632664] [2021-01-06 19:14:02,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:02,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:02,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234308987] [2021-01-06 19:14:02,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:02,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:02,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:02,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:02,468 INFO L87 Difference]: Start difference. First operand 284 states and 377 transitions. Second operand 5 states. [2021-01-06 19:14:02,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:02,855 INFO L93 Difference]: Finished difference Result 833 states and 1123 transitions. [2021-01-06 19:14:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:14:02,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-01-06 19:14:02,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:02,860 INFO L225 Difference]: With dead ends: 833 [2021-01-06 19:14:02,860 INFO L226 Difference]: Without dead ends: 596 [2021-01-06 19:14:02,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:14:02,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2021-01-06 19:14:02,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 385. [2021-01-06 19:14:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2021-01-06 19:14:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 511 transitions. [2021-01-06 19:14:02,916 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 511 transitions. Word has length 76 [2021-01-06 19:14:02,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:02,917 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 511 transitions. [2021-01-06 19:14:02,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 511 transitions. [2021-01-06 19:14:02,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 19:14:02,918 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:02,918 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 19:14:02,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:14:02,919 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:02,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:02,919 INFO L82 PathProgramCache]: Analyzing trace with hash 807950959, now seen corresponding path program 1 times [2021-01-06 19:14:02,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:02,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85791787] [2021-01-06 19:14:02,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-01-06 19:14:03,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85791787] [2021-01-06 19:14:03,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:03,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:03,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845367133] [2021-01-06 19:14:03,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:03,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:03,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:03,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:03,047 INFO L87 Difference]: Start difference. First operand 385 states and 511 transitions. Second operand 5 states. [2021-01-06 19:14:03,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:03,146 INFO L93 Difference]: Finished difference Result 735 states and 976 transitions. [2021-01-06 19:14:03,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:14:03,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-01-06 19:14:03,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:03,148 INFO L225 Difference]: With dead ends: 735 [2021-01-06 19:14:03,148 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:14:03,150 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 19:14:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:14:03,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:14:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:14:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:14:03,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-01-06 19:14:03,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:03,152 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:14:03,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:14:03,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:14:03,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:14:03,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:14:03,819 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 182 [2021-01-06 19:14:04,209 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 109 [2021-01-06 19:14:04,504 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 111 [2021-01-06 19:14:05,041 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 176 [2021-01-06 19:14:05,406 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 177 [2021-01-06 19:14:05,682 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 150 [2021-01-06 19:14:06,104 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 182 [2021-01-06 19:14:06,520 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 176 [2021-01-06 19:14:07,773 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2021-01-06 19:14:08,158 WARN L197 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 24 [2021-01-06 19:14:08,705 WARN L197 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 20 [2021-01-06 19:14:09,877 WARN L197 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2021-01-06 19:14:10,972 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 171 DAG size of output: 24 [2021-01-06 19:14:11,215 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2021-01-06 19:14:11,975 WARN L197 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2021-01-06 19:14:13,230 WARN L197 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2021-01-06 19:14:13,446 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2021-01-06 19:14:14,480 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 168 DAG size of output: 23 [2021-01-06 19:14:14,484 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-01-06 19:14:14,485 INFO L189 CegarLoopUtils]: For program point L696(lines 696 702) no Hoare annotation was computed. [2021-01-06 19:14:14,485 INFO L189 CegarLoopUtils]: For program point L663(lines 663 671) no Hoare annotation was computed. [2021-01-06 19:14:14,485 INFO L189 CegarLoopUtils]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2021-01-06 19:14:14,485 INFO L189 CegarLoopUtils]: For program point L663-1(lines 663 671) no Hoare annotation was computed. [2021-01-06 19:14:14,485 INFO L189 CegarLoopUtils]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2021-01-06 19:14:14,485 INFO L189 CegarLoopUtils]: For program point L696-4(lines 696 702) no Hoare annotation was computed. [2021-01-06 19:14:14,486 INFO L189 CegarLoopUtils]: For program point L696-6(lines 696 702) no Hoare annotation was computed. [2021-01-06 19:14:14,486 INFO L189 CegarLoopUtils]: For program point L696-8(lines 696 702) no Hoare annotation was computed. [2021-01-06 19:14:14,486 INFO L189 CegarLoopUtils]: For program point L696-10(lines 696 702) no Hoare annotation was computed. [2021-01-06 19:14:14,486 INFO L189 CegarLoopUtils]: For program point L862(lines 862 868) no Hoare annotation was computed. [2021-01-06 19:14:14,487 INFO L185 CegarLoopUtils]: At program point L862-1(lines 862 868) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse5 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse5 .cse4 .cse2 .cse3))) [2021-01-06 19:14:14,487 INFO L185 CegarLoopUtils]: At program point L730(lines 725 733) the Hoare annotation is: false [2021-01-06 19:14:14,487 INFO L185 CegarLoopUtils]: At program point L730-1(lines 725 733) the Hoare annotation is: false [2021-01-06 19:14:14,487 INFO L185 CegarLoopUtils]: At program point L730-2(lines 725 733) the Hoare annotation is: false [2021-01-06 19:14:14,487 INFO L189 CegarLoopUtils]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-01-06 19:14:14,488 INFO L189 CegarLoopUtils]: For program point L798-2(lines 798 802) no Hoare annotation was computed. [2021-01-06 19:14:14,488 INFO L189 CegarLoopUtils]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2021-01-06 19:14:14,488 INFO L189 CegarLoopUtils]: For program point L633(lines 633 650) no Hoare annotation was computed. [2021-01-06 19:14:14,488 INFO L189 CegarLoopUtils]: For program point L798-5(lines 798 802) no Hoare annotation was computed. [2021-01-06 19:14:14,488 INFO L189 CegarLoopUtils]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2021-01-06 19:14:14,488 INFO L189 CegarLoopUtils]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2021-01-06 19:14:14,488 INFO L189 CegarLoopUtils]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2021-01-06 19:14:14,488 INFO L189 CegarLoopUtils]: For program point L633-3(lines 633 650) no Hoare annotation was computed. [2021-01-06 19:14:14,489 INFO L189 CegarLoopUtils]: For program point L798-8(lines 798 802) no Hoare annotation was computed. [2021-01-06 19:14:14,489 INFO L189 CegarLoopUtils]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2021-01-06 19:14:14,489 INFO L189 CegarLoopUtils]: For program point L633-5(lines 633 650) no Hoare annotation was computed. [2021-01-06 19:14:14,489 INFO L189 CegarLoopUtils]: For program point L931(lines 931 935) no Hoare annotation was computed. [2021-01-06 19:14:14,489 INFO L185 CegarLoopUtils]: At program point L601(lines 600 619) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (not (= 0 ~systemActive~0)) .cse2 (<= 1 ~waterLevel~0) .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2021-01-06 19:14:14,489 INFO L189 CegarLoopUtils]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2021-01-06 19:14:14,490 INFO L185 CegarLoopUtils]: At program point L601-2(lines 600 619) the Hoare annotation is: false [2021-01-06 19:14:14,490 INFO L185 CegarLoopUtils]: At program point L601-3(lines 600 619) the Hoare annotation is: false [2021-01-06 19:14:14,490 INFO L185 CegarLoopUtils]: At program point L999(lines 994 1002) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:14,490 INFO L185 CegarLoopUtils]: At program point L999-1(lines 994 1002) the Hoare annotation is: false [2021-01-06 19:14:14,490 INFO L185 CegarLoopUtils]: At program point L999-2(lines 994 1002) the Hoare annotation is: false [2021-01-06 19:14:14,490 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:14,490 INFO L189 CegarLoopUtils]: For program point L637(lines 637 645) no Hoare annotation was computed. [2021-01-06 19:14:14,491 INFO L189 CegarLoopUtils]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2021-01-06 19:14:14,491 INFO L189 CegarLoopUtils]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2021-01-06 19:14:14,491 INFO L189 CegarLoopUtils]: For program point L637-3(lines 637 645) no Hoare annotation was computed. [2021-01-06 19:14:14,491 INFO L189 CegarLoopUtils]: For program point L637-4(lines 637 645) no Hoare annotation was computed. [2021-01-06 19:14:14,491 INFO L189 CegarLoopUtils]: For program point L637-5(lines 637 645) no Hoare annotation was computed. [2021-01-06 19:14:14,491 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-01-06 19:14:14,491 INFO L192 CegarLoopUtils]: At program point L176(lines 157 179) the Hoare annotation is: true [2021-01-06 19:14:14,492 INFO L185 CegarLoopUtils]: At program point L143(lines 139 145) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) [2021-01-06 19:14:14,492 INFO L185 CegarLoopUtils]: At program point L804(lines 789 807) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:14,492 INFO L185 CegarLoopUtils]: At program point L804-1(lines 789 807) the Hoare annotation is: false [2021-01-06 19:14:14,492 INFO L185 CegarLoopUtils]: At program point L804-2(lines 789 807) the Hoare annotation is: false [2021-01-06 19:14:14,492 INFO L189 CegarLoopUtils]: For program point L872(lines 872 887) no Hoare annotation was computed. [2021-01-06 19:14:14,492 INFO L185 CegarLoopUtils]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 .cse4 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2021-01-06 19:14:14,493 INFO L185 CegarLoopUtils]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2021-01-06 19:14:14,493 INFO L185 CegarLoopUtils]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2021-01-06 19:14:14,493 INFO L189 CegarLoopUtils]: For program point L907(lines 907 911) no Hoare annotation was computed. [2021-01-06 19:14:14,493 INFO L189 CegarLoopUtils]: For program point L907-3(lines 907 911) no Hoare annotation was computed. [2021-01-06 19:14:14,493 INFO L189 CegarLoopUtils]: For program point L907-6(lines 907 911) no Hoare annotation was computed. [2021-01-06 19:14:14,493 INFO L189 CegarLoopUtils]: For program point L843(lines 842 891) no Hoare annotation was computed. [2021-01-06 19:14:14,493 INFO L185 CegarLoopUtils]: At program point L976(lines 971 979) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-01-06 19:14:14,494 INFO L185 CegarLoopUtils]: At program point L976-1(lines 971 979) the Hoare annotation is: false [2021-01-06 19:14:14,494 INFO L185 CegarLoopUtils]: At program point L976-2(lines 971 979) the Hoare annotation is: false [2021-01-06 19:14:14,494 INFO L189 CegarLoopUtils]: For program point L844(lines 844 848) no Hoare annotation was computed. [2021-01-06 19:14:14,494 INFO L189 CegarLoopUtils]: For program point L580(line 580) no Hoare annotation was computed. [2021-01-06 19:14:14,494 INFO L189 CegarLoopUtils]: For program point L580-1(line 580) no Hoare annotation was computed. [2021-01-06 19:14:14,494 INFO L189 CegarLoopUtils]: For program point L580-2(line 580) no Hoare annotation was computed. [2021-01-06 19:14:14,494 INFO L185 CegarLoopUtils]: At program point L944(lines 939 947) the Hoare annotation is: false [2021-01-06 19:14:14,495 INFO L185 CegarLoopUtils]: At program point L944-1(lines 939 947) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:14,495 INFO L185 CegarLoopUtils]: At program point L944-2(lines 939 947) the Hoare annotation is: false [2021-01-06 19:14:14,495 INFO L185 CegarLoopUtils]: At program point L944-3(lines 939 947) the Hoare annotation is: false [2021-01-06 19:14:14,495 INFO L189 CegarLoopUtils]: For program point L812(lines 812 818) no Hoare annotation was computed. [2021-01-06 19:14:14,495 INFO L185 CegarLoopUtils]: At program point L944-4(lines 939 947) the Hoare annotation is: false [2021-01-06 19:14:14,495 INFO L185 CegarLoopUtils]: At program point L812-1(lines 812 818) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2021-01-06 19:14:14,495 INFO L189 CegarLoopUtils]: For program point L779(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,495 INFO L185 CegarLoopUtils]: At program point L944-5(lines 939 947) the Hoare annotation is: false [2021-01-06 19:14:14,496 INFO L189 CegarLoopUtils]: For program point L779-2(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,496 INFO L189 CegarLoopUtils]: For program point L779-3(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,496 INFO L189 CegarLoopUtils]: For program point L779-5(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,496 INFO L189 CegarLoopUtils]: For program point L779-6(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,496 INFO L189 CegarLoopUtils]: For program point L779-8(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,496 INFO L189 CegarLoopUtils]: For program point L779-9(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,496 INFO L189 CegarLoopUtils]: For program point L779-11(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,496 INFO L189 CegarLoopUtils]: For program point L779-12(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,497 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:14:14,497 INFO L189 CegarLoopUtils]: For program point L779-14(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,497 INFO L189 CegarLoopUtils]: For program point L779-15(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,497 INFO L189 CegarLoopUtils]: For program point L779-17(lines 779 783) no Hoare annotation was computed. [2021-01-06 19:14:14,497 INFO L189 CegarLoopUtils]: For program point L880(lines 880 886) no Hoare annotation was computed. [2021-01-06 19:14:14,497 INFO L185 CegarLoopUtils]: At program point L880-1(lines 601 607) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 .cse4 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2021-01-06 19:14:14,497 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:14:14,497 INFO L185 CegarLoopUtils]: At program point L785(lines 770 788) the Hoare annotation is: false [2021-01-06 19:14:14,498 INFO L185 CegarLoopUtils]: At program point L785-1(lines 770 788) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (= |ULTIMATE.start_valid_product_#res| 1)))) [2021-01-06 19:14:14,498 INFO L185 CegarLoopUtils]: At program point L785-2(lines 770 788) the Hoare annotation is: false [2021-01-06 19:14:14,498 INFO L185 CegarLoopUtils]: At program point L785-3(lines 770 788) the Hoare annotation is: false [2021-01-06 19:14:14,498 INFO L185 CegarLoopUtils]: At program point L785-4(lines 770 788) the Hoare annotation is: false [2021-01-06 19:14:14,498 INFO L185 CegarLoopUtils]: At program point L785-5(lines 770 788) the Hoare annotation is: false [2021-01-06 19:14:14,498 INFO L185 CegarLoopUtils]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2021-01-06 19:14:14,498 INFO L189 CegarLoopUtils]: For program point L984(lines 984 990) no Hoare annotation was computed. [2021-01-06 19:14:14,498 INFO L189 CegarLoopUtils]: For program point L984-1(lines 984 990) no Hoare annotation was computed. [2021-01-06 19:14:14,499 INFO L189 CegarLoopUtils]: For program point L984-2(lines 984 990) no Hoare annotation was computed. [2021-01-06 19:14:14,499 INFO L189 CegarLoopUtils]: For program point L984-3(lines 984 990) no Hoare annotation was computed. [2021-01-06 19:14:14,499 INFO L189 CegarLoopUtils]: For program point L852(lines 852 858) no Hoare annotation was computed. [2021-01-06 19:14:14,499 INFO L189 CegarLoopUtils]: For program point L984-4(lines 984 990) no Hoare annotation was computed. [2021-01-06 19:14:14,499 INFO L185 CegarLoopUtils]: At program point L852-1(lines 852 858) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse5 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse5 .cse4 .cse2 .cse3))) [2021-01-06 19:14:14,499 INFO L189 CegarLoopUtils]: For program point L984-5(lines 984 990) no Hoare annotation was computed. [2021-01-06 19:14:14,499 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-01-06 19:14:14,500 INFO L189 CegarLoopUtils]: For program point L919(lines 919 923) no Hoare annotation was computed. [2021-01-06 19:14:14,500 INFO L185 CegarLoopUtils]: At program point L721(lines 714 724) the Hoare annotation is: false [2021-01-06 19:14:14,500 INFO L185 CegarLoopUtils]: At program point L721-1(lines 714 724) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:14,500 INFO L185 CegarLoopUtils]: At program point L721-2(lines 714 724) the Hoare annotation is: false [2021-01-06 19:14:14,500 INFO L185 CegarLoopUtils]: At program point L721-3(lines 714 724) the Hoare annotation is: false [2021-01-06 19:14:14,500 INFO L185 CegarLoopUtils]: At program point L721-4(lines 714 724) the Hoare annotation is: false [2021-01-06 19:14:14,500 INFO L185 CegarLoopUtils]: At program point L721-5(lines 714 724) the Hoare annotation is: false [2021-01-06 19:14:14,500 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:14:14,501 INFO L189 CegarLoopUtils]: For program point L558(lines 558 571) no Hoare annotation was computed. [2021-01-06 19:14:14,501 INFO L185 CegarLoopUtils]: At program point L558-1(lines 1 1002) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse6 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2021-01-06 19:14:14,501 INFO L189 CegarLoopUtils]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2021-01-06 19:14:14,501 INFO L185 CegarLoopUtils]: At program point L558-3(lines 1 1002) the Hoare annotation is: false [2021-01-06 19:14:14,501 INFO L189 CegarLoopUtils]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2021-01-06 19:14:14,501 INFO L185 CegarLoopUtils]: At program point L558-5(lines 1 1002) the Hoare annotation is: false [2021-01-06 19:14:14,501 INFO L189 CegarLoopUtils]: For program point L96(lines 96 100) no Hoare annotation was computed. [2021-01-06 19:14:14,501 INFO L189 CegarLoopUtils]: For program point L96-1(lines 601 607) no Hoare annotation was computed. [2021-01-06 19:14:14,502 INFO L185 CegarLoopUtils]: At program point L989(lines 980 993) the Hoare annotation is: false [2021-01-06 19:14:14,502 INFO L185 CegarLoopUtils]: At program point L989-1(lines 980 993) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-01-06 19:14:14,502 INFO L185 CegarLoopUtils]: At program point L989-2(lines 980 993) the Hoare annotation is: false [2021-01-06 19:14:14,502 INFO L185 CegarLoopUtils]: At program point L989-3(lines 980 993) the Hoare annotation is: false [2021-01-06 19:14:14,502 INFO L185 CegarLoopUtils]: At program point L989-4(lines 980 993) the Hoare annotation is: false [2021-01-06 19:14:14,502 INFO L185 CegarLoopUtils]: At program point L989-5(lines 980 993) the Hoare annotation is: false [2021-01-06 19:14:14,502 INFO L189 CegarLoopUtils]: For program point L659(lines 659 676) no Hoare annotation was computed. [2021-01-06 19:14:14,503 INFO L189 CegarLoopUtils]: For program point L659-1(lines 659 676) no Hoare annotation was computed. [2021-01-06 19:14:14,503 INFO L189 CegarLoopUtils]: For program point L659-2(lines 659 676) no Hoare annotation was computed. [2021-01-06 19:14:14,503 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:14:14,503 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-01-06 19:14:14,503 INFO L185 CegarLoopUtils]: At program point L892(lines 841 893) the Hoare annotation is: false [2021-01-06 19:14:14,503 INFO L189 CegarLoopUtils]: For program point L562(lines 562 568) no Hoare annotation was computed. [2021-01-06 19:14:14,503 INFO L189 CegarLoopUtils]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2021-01-06 19:14:14,503 INFO L189 CegarLoopUtils]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2021-01-06 19:14:14,504 INFO L185 CegarLoopUtils]: At program point L67(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-01-06 19:14:14,504 INFO L189 CegarLoopUtils]: For program point L167(lines 167 174) no Hoare annotation was computed. [2021-01-06 19:14:14,504 INFO L192 CegarLoopUtils]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2021-01-06 19:14:14,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:14:14 BoogieIcfgContainer [2021-01-06 19:14:14,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:14:14,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:14:14,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:14:14,542 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:14:14,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:57" (3/4) ... [2021-01-06 19:14:14,549 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:14:14,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:14:14,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:14:14,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:14:14,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:14:14,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:14:14,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:14,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:14,623 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-01-06 19:14:14,623 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == waterLevel [2021-01-06 19:14:14,624 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2021-01-06 19:14:14,625 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:14:14,626 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:14:14,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2021-01-06 19:14:14,628 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2021-01-06 19:14:14,628 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2021-01-06 19:14:14,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2021-01-06 19:14:14,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) [2021-01-06 19:14:14,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-01-06 19:14:14,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:14:14,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-01-06 19:14:14,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 0 && tmp == 1) && \result == waterLevel) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:14:14,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-01-06 19:14:14,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-01-06 19:14:14,750 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product60.cil.c-witness.graphml [2021-01-06 19:14:14,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:14:14,752 INFO L168 Benchmark]: Toolchain (without parser) took 19807.56 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 125.4 MB in the beginning and 235.8 MB in the end (delta: -110.4 MB). Peak memory consumption was 116.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:14,752 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:14:14,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.26 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 102.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:14,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.08 ms. Allocated memory is still 151.0 MB. Free memory was 102.8 MB in the beginning and 98.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:14,753 INFO L168 Benchmark]: Boogie Preprocessor took 141.33 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 131.5 MB in the end (delta: -32.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:14,753 INFO L168 Benchmark]: RCFGBuilder took 1542.01 ms. Allocated memory is still 151.0 MB. Free memory was 131.5 MB in the beginning and 62.3 MB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:14,754 INFO L168 Benchmark]: TraceAbstraction took 17213.59 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 61.8 MB in the beginning and 248.0 MB in the end (delta: -186.3 MB). Peak memory consumption was 163.7 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:14,754 INFO L168 Benchmark]: Witness Printer took 209.21 ms. Allocated memory is still 377.5 MB. Free memory was 248.0 MB in the beginning and 235.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:14,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 599.26 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 102.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 94.08 ms. Allocated memory is still 151.0 MB. Free memory was 102.8 MB in the beginning and 98.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 141.33 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 131.5 MB in the end (delta: -32.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1542.01 ms. Allocated memory is still 151.0 MB. Free memory was 131.5 MB in the beginning and 62.3 MB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17213.59 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 61.8 MB in the beginning and 248.0 MB in the end (delta: -186.3 MB). Peak memory consumption was 163.7 MB. Max. memory is 8.0 GB. * Witness Printer took 209.21 ms. Allocated memory is still 377.5 MB. Free memory was 248.0 MB in the beginning and 235.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: 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: 789]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == waterLevel - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ((((tmp == 1 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 0 && tmp == 1) && \result == waterLevel) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1588 SDtfs, 2569 SDslu, 2650 SDs, 0 SdLazy, 397 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=385occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 2299 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 200 NumberOfFragments, 708 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1647971 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 420463 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 52307 SizeOfPredicates, 3 NumberOfNonLiveVariables, 830 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 201/212 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...