/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_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:13:44,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:13:44,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:13:44,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:13:44,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:13:44,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:13:44,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:13:44,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:13:44,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:13:44,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:13:44,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:13:44,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:13:44,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:13:44,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:13:44,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:13:44,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:13:44,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:13:44,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:13:44,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:13:44,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:13:44,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:13:44,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:13:44,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:13:44,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:13:44,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:13:44,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:13:44,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:13:44,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:13:44,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:13:44,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:13:44,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:13:44,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:13:44,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:13:44,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:13:44,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:13:44,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:13:44,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:13:44,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:13:44,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:13:44,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:13:44,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:13:44,694 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 19:13:44,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:13:44,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:13:44,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:13:44,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:13:44,723 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:13:44,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:13:44,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:13:44,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:13:44,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:13:44,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:13:44,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:13:44,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:13:44,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:13:44,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:13:44,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:13:44,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:13:44,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:13:44,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:13:44,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:13:44,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:13:44,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:13:44,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:13:44,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:13:44,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:13:44,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:13:44,727 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:13:45,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:13:45,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:13:45,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:13:45,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:13:45,203 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:13:45,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2021-01-06 19:13:45,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f175db730/211105a0b6f84fab93a153fe31571fbb/FLAG9a6773982 [2021-01-06 19:13:46,147 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:13:46,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2021-01-06 19:13:46,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f175db730/211105a0b6f84fab93a153fe31571fbb/FLAG9a6773982 [2021-01-06 19:13:46,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f175db730/211105a0b6f84fab93a153fe31571fbb [2021-01-06 19:13:46,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:13:46,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:13:46,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:46,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:13:46,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:13:46,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d08fa9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46, skipping insertion in model container [2021-01-06 19:13:46,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:13:46,290 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~7,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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~7,] 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~8,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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~13,] [2021-01-06 19:13:46,726 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_product52.cil.c[18107,18120] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] [2021-01-06 19:13:46,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:46,744 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~7,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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~7,] 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~8,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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~13,] [2021-01-06 19:13:46,868 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_product52.cil.c[18107,18120] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] [2021-01-06 19:13:46,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:46,919 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:13:46,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46 WrapperNode [2021-01-06 19:13:46,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:46,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:46,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:13:46,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:13:46,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:47,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:47,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:13:47,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:13:47,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:13:47,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:47,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:47,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:47,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:47,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:47,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:47,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:47,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:13:47,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:13:47,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:13:47,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:13:47,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (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 19:13:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:13:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:13:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:13:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:13:48,415 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:13:48,415 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-01-06 19:13:48,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:48 BoogieIcfgContainer [2021-01-06 19:13:48,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:13:48,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:13:48,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:13:48,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:13:48,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:13:46" (1/3) ... [2021-01-06 19:13:48,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a113a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:48, skipping insertion in model container [2021-01-06 19:13:48,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (2/3) ... [2021-01-06 19:13:48,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a113a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:48, skipping insertion in model container [2021-01-06 19:13:48,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:48" (3/3) ... [2021-01-06 19:13:48,437 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2021-01-06 19:13:48,445 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:13:48,451 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:13:48,480 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:13:48,526 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:13:48,526 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:13:48,527 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:13:48,527 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:13:48,527 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:13:48,527 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:13:48,527 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:13:48,528 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:13:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2021-01-06 19:13:48,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 19:13:48,554 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:48,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:48,556 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:48,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:48,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1794729554, now seen corresponding path program 1 times [2021-01-06 19:13:48,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:48,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288115962] [2021-01-06 19:13:48,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:48,951 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 19:13:48,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288115962] [2021-01-06 19:13:48,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:48,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:48,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50236957] [2021-01-06 19:13:48,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:13:48,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:48,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:13:48,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:13:48,979 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2021-01-06 19:13:49,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:49,022 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2021-01-06 19:13:49,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:13:49,024 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-01-06 19:13:49,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:49,038 INFO L225 Difference]: With dead ends: 232 [2021-01-06 19:13:49,039 INFO L226 Difference]: Without dead ends: 115 [2021-01-06 19:13:49,043 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 19:13:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-01-06 19:13:49,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-01-06 19:13:49,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-01-06 19:13:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2021-01-06 19:13:49,100 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2021-01-06 19:13:49,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:49,101 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2021-01-06 19:13:49,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:13:49,101 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2021-01-06 19:13:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 19:13:49,103 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:49,103 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 19:13:49,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:13:49,104 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:49,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:49,105 INFO L82 PathProgramCache]: Analyzing trace with hash 529368141, now seen corresponding path program 1 times [2021-01-06 19:13:49,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:49,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923039349] [2021-01-06 19:13:49,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:49,317 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 19:13:49,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923039349] [2021-01-06 19:13:49,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:49,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:13:49,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785795996] [2021-01-06 19:13:49,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:49,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:49,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:49,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:49,323 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2021-01-06 19:13:49,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:49,360 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2021-01-06 19:13:49,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:49,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 19:13:49,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:49,362 INFO L225 Difference]: With dead ends: 115 [2021-01-06 19:13:49,362 INFO L226 Difference]: Without dead ends: 49 [2021-01-06 19:13:49,365 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 19:13:49,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-01-06 19:13:49,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-01-06 19:13:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-01-06 19:13:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-01-06 19:13:49,377 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2021-01-06 19:13:49,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:49,378 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-01-06 19:13:49,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-01-06 19:13:49,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 19:13:49,380 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:49,380 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 19:13:49,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:13:49,382 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:49,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:49,384 INFO L82 PathProgramCache]: Analyzing trace with hash -2061312917, now seen corresponding path program 1 times [2021-01-06 19:13:49,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:49,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151338656] [2021-01-06 19:13:49,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:49,522 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 19:13:49,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151338656] [2021-01-06 19:13:49,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:49,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:49,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582982075] [2021-01-06 19:13:49,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:49,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:49,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:49,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:49,526 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2021-01-06 19:13:49,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:49,596 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2021-01-06 19:13:49,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:49,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-01-06 19:13:49,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:49,598 INFO L225 Difference]: With dead ends: 115 [2021-01-06 19:13:49,598 INFO L226 Difference]: Without dead ends: 72 [2021-01-06 19:13:49,599 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 19:13:49,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-01-06 19:13:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2021-01-06 19:13:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2021-01-06 19:13:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2021-01-06 19:13:49,611 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2021-01-06 19:13:49,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:49,611 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2021-01-06 19:13:49,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2021-01-06 19:13:49,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:13:49,613 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:49,613 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 19:13:49,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:13:49,614 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:49,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:49,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1499976397, now seen corresponding path program 1 times [2021-01-06 19:13:49,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:49,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810495798] [2021-01-06 19:13:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:49,677 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 19:13:49,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810495798] [2021-01-06 19:13:49,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:49,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:49,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026959567] [2021-01-06 19:13:49,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:49,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:49,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:49,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:49,680 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand 3 states. [2021-01-06 19:13:49,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:49,719 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2021-01-06 19:13:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:49,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:13:49,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:49,721 INFO L225 Difference]: With dead ends: 151 [2021-01-06 19:13:49,721 INFO L226 Difference]: Without dead ends: 89 [2021-01-06 19:13:49,722 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 19:13:49,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-01-06 19:13:49,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-01-06 19:13:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-01-06 19:13:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2021-01-06 19:13:49,733 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2021-01-06 19:13:49,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:49,734 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2021-01-06 19:13:49,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:49,734 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2021-01-06 19:13:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 19:13:49,735 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:49,735 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 19:13:49,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:13:49,736 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:49,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:49,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1678878848, now seen corresponding path program 1 times [2021-01-06 19:13:49,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:49,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587727035] [2021-01-06 19:13:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:49,824 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 19:13:49,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587727035] [2021-01-06 19:13:49,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:49,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:13:49,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456077750] [2021-01-06 19:13:49,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:13:49,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:49,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:13:49,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:49,827 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand 8 states. [2021-01-06 19:13:50,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:50,219 INFO L93 Difference]: Finished difference Result 551 states and 808 transitions. [2021-01-06 19:13:50,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 19:13:50,220 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2021-01-06 19:13:50,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:50,223 INFO L225 Difference]: With dead ends: 551 [2021-01-06 19:13:50,224 INFO L226 Difference]: Without dead ends: 470 [2021-01-06 19:13:50,225 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 19:13:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-01-06 19:13:50,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 216. [2021-01-06 19:13:50,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2021-01-06 19:13:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 302 transitions. [2021-01-06 19:13:50,256 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 302 transitions. Word has length 25 [2021-01-06 19:13:50,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:50,256 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 302 transitions. [2021-01-06 19:13:50,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:13:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 302 transitions. [2021-01-06 19:13:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 19:13:50,259 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:50,260 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 19:13:50,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:13:50,260 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:50,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:50,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1884030316, now seen corresponding path program 1 times [2021-01-06 19:13:50,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:50,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060351904] [2021-01-06 19:13:50,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:50,354 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 19:13:50,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060351904] [2021-01-06 19:13:50,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801671675] [2021-01-06 19:13:50,355 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 19:13:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:50,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:13:50,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:13:50,608 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 19:13:50,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:13:50,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-01-06 19:13:50,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049828222] [2021-01-06 19:13:50,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:13:50,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:50,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:13:50,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:50,611 INFO L87 Difference]: Start difference. First operand 216 states and 302 transitions. Second operand 4 states. [2021-01-06 19:13:50,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:50,764 INFO L93 Difference]: Finished difference Result 483 states and 689 transitions. [2021-01-06 19:13:50,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:13:50,765 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2021-01-06 19:13:50,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:50,767 INFO L225 Difference]: With dead ends: 483 [2021-01-06 19:13:50,767 INFO L226 Difference]: Without dead ends: 332 [2021-01-06 19:13:50,768 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 19:13:50,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-01-06 19:13:50,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 320. [2021-01-06 19:13:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2021-01-06 19:13:50,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 453 transitions. [2021-01-06 19:13:50,799 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 453 transitions. Word has length 41 [2021-01-06 19:13:50,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:50,800 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 453 transitions. [2021-01-06 19:13:50,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:13:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 453 transitions. [2021-01-06 19:13:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 19:13:50,803 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:50,803 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] [2021-01-06 19:13:51,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-06 19:13:51,012 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:51,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:51,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1324072375, now seen corresponding path program 1 times [2021-01-06 19:13:51,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:51,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309053126] [2021-01-06 19:13:51,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:51,120 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 19:13:51,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309053126] [2021-01-06 19:13:51,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:51,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:51,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044498984] [2021-01-06 19:13:51,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:51,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:51,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:51,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:51,125 INFO L87 Difference]: Start difference. First operand 320 states and 453 transitions. Second operand 5 states. [2021-01-06 19:13:51,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:51,243 INFO L93 Difference]: Finished difference Result 998 states and 1404 transitions. [2021-01-06 19:13:51,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:51,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 19:13:51,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:51,248 INFO L225 Difference]: With dead ends: 998 [2021-01-06 19:13:51,248 INFO L226 Difference]: Without dead ends: 684 [2021-01-06 19:13:51,250 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 19:13:51,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2021-01-06 19:13:51,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 341. [2021-01-06 19:13:51,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2021-01-06 19:13:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 474 transitions. [2021-01-06 19:13:51,287 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 474 transitions. Word has length 50 [2021-01-06 19:13:51,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:51,287 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 474 transitions. [2021-01-06 19:13:51,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 474 transitions. [2021-01-06 19:13:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 19:13:51,290 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:51,290 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] [2021-01-06 19:13:51,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:13:51,291 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:51,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:51,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1346704629, now seen corresponding path program 1 times [2021-01-06 19:13:51,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:51,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888896018] [2021-01-06 19:13:51,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:51,382 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 19:13:51,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888896018] [2021-01-06 19:13:51,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:51,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:13:51,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165247612] [2021-01-06 19:13:51,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:13:51,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:51,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:13:51,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:13:51,384 INFO L87 Difference]: Start difference. First operand 341 states and 474 transitions. Second operand 6 states. [2021-01-06 19:13:51,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:51,515 INFO L93 Difference]: Finished difference Result 849 states and 1180 transitions. [2021-01-06 19:13:51,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:13:51,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2021-01-06 19:13:51,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:51,519 INFO L225 Difference]: With dead ends: 849 [2021-01-06 19:13:51,519 INFO L226 Difference]: Without dead ends: 514 [2021-01-06 19:13:51,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:13:51,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2021-01-06 19:13:51,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 310. [2021-01-06 19:13:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2021-01-06 19:13:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 426 transitions. [2021-01-06 19:13:51,556 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 426 transitions. Word has length 50 [2021-01-06 19:13:51,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:51,556 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 426 transitions. [2021-01-06 19:13:51,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:13:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 426 transitions. [2021-01-06 19:13:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:13:51,558 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:51,558 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] [2021-01-06 19:13:51,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:13:51,559 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:51,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:51,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1319293361, now seen corresponding path program 1 times [2021-01-06 19:13:51,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:51,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292507837] [2021-01-06 19:13:51,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:51,629 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 19:13:51,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292507837] [2021-01-06 19:13:51,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:51,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:51,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965945875] [2021-01-06 19:13:51,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:51,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:51,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:51,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:51,632 INFO L87 Difference]: Start difference. First operand 310 states and 426 transitions. Second operand 5 states. [2021-01-06 19:13:51,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:51,755 INFO L93 Difference]: Finished difference Result 1140 states and 1590 transitions. [2021-01-06 19:13:51,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:51,756 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-06 19:13:51,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:51,761 INFO L225 Difference]: With dead ends: 1140 [2021-01-06 19:13:51,761 INFO L226 Difference]: Without dead ends: 878 [2021-01-06 19:13:51,762 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 19:13:51,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2021-01-06 19:13:51,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 316. [2021-01-06 19:13:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-01-06 19:13:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2021-01-06 19:13:51,805 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 51 [2021-01-06 19:13:51,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:51,806 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2021-01-06 19:13:51,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2021-01-06 19:13:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:13:51,807 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:51,807 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] [2021-01-06 19:13:51,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:13:51,808 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:51,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:51,808 INFO L82 PathProgramCache]: Analyzing trace with hash 926266351, now seen corresponding path program 1 times [2021-01-06 19:13:51,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:51,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770731580] [2021-01-06 19:13:51,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:51,867 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 19:13:51,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770731580] [2021-01-06 19:13:51,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:51,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:51,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013475202] [2021-01-06 19:13:51,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:51,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:51,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:51,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:51,870 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand 5 states. [2021-01-06 19:13:52,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:52,086 INFO L93 Difference]: Finished difference Result 838 states and 1149 transitions. [2021-01-06 19:13:52,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:13:52,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-06 19:13:52,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:52,091 INFO L225 Difference]: With dead ends: 838 [2021-01-06 19:13:52,091 INFO L226 Difference]: Without dead ends: 836 [2021-01-06 19:13:52,092 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 19:13:52,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2021-01-06 19:13:52,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 316. [2021-01-06 19:13:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-01-06 19:13:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 427 transitions. [2021-01-06 19:13:52,135 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 427 transitions. Word has length 51 [2021-01-06 19:13:52,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:52,135 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 427 transitions. [2021-01-06 19:13:52,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 427 transitions. [2021-01-06 19:13:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 19:13:52,136 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:52,137 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] [2021-01-06 19:13:52,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:13:52,137 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:52,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:52,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1573662553, now seen corresponding path program 1 times [2021-01-06 19:13:52,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:52,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670032911] [2021-01-06 19:13:52,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:52,224 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 19:13:52,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670032911] [2021-01-06 19:13:52,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993824146] [2021-01-06 19:13:52,224 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 19:13:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:52,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-06 19:13:52,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:13:52,490 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 19:13:52,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:13:52,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-01-06 19:13:52,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465454911] [2021-01-06 19:13:52,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:13:52,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:52,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:13:52,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:52,493 INFO L87 Difference]: Start difference. First operand 316 states and 427 transitions. Second operand 8 states. [2021-01-06 19:13:52,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:52,975 INFO L93 Difference]: Finished difference Result 849 states and 1149 transitions. [2021-01-06 19:13:52,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 19:13:52,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-01-06 19:13:52,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:52,980 INFO L225 Difference]: With dead ends: 849 [2021-01-06 19:13:52,980 INFO L226 Difference]: Without dead ends: 581 [2021-01-06 19:13:52,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-01-06 19:13:52,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2021-01-06 19:13:53,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 278. [2021-01-06 19:13:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2021-01-06 19:13:53,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 369 transitions. [2021-01-06 19:13:53,029 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 369 transitions. Word has length 52 [2021-01-06 19:13:53,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:53,029 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 369 transitions. [2021-01-06 19:13:53,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:13:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 369 transitions. [2021-01-06 19:13:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 19:13:53,031 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:53,031 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] [2021-01-06 19:13:53,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:13:53,245 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:53,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:53,246 INFO L82 PathProgramCache]: Analyzing trace with hash -5787080, now seen corresponding path program 2 times [2021-01-06 19:13:53,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:53,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873312403] [2021-01-06 19:13:53,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:53,376 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 19:13:53,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873312403] [2021-01-06 19:13:53,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:53,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:53,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957979818] [2021-01-06 19:13:53,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:53,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:53,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:53,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:53,381 INFO L87 Difference]: Start difference. First operand 278 states and 369 transitions. Second operand 5 states. [2021-01-06 19:13:53,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:53,735 INFO L93 Difference]: Finished difference Result 818 states and 1103 transitions. [2021-01-06 19:13:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:13:53,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-01-06 19:13:53,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:53,739 INFO L225 Difference]: With dead ends: 818 [2021-01-06 19:13:53,739 INFO L226 Difference]: Without dead ends: 587 [2021-01-06 19:13:53,740 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 19:13:53,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2021-01-06 19:13:53,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 379. [2021-01-06 19:13:53,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2021-01-06 19:13:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 503 transitions. [2021-01-06 19:13:53,799 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 503 transitions. Word has length 73 [2021-01-06 19:13:53,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:53,799 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 503 transitions. [2021-01-06 19:13:53,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:53,799 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 503 transitions. [2021-01-06 19:13:53,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 19:13:53,800 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:53,801 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] [2021-01-06 19:13:53,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:13:53,801 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:53,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:53,802 INFO L82 PathProgramCache]: Analyzing trace with hash 268972534, now seen corresponding path program 1 times [2021-01-06 19:13:53,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:53,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316496875] [2021-01-06 19:13:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:53,884 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 19:13:53,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316496875] [2021-01-06 19:13:53,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:53,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:13:53,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054953267] [2021-01-06 19:13:53,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:13:53,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:53,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:13:53,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:13:53,887 INFO L87 Difference]: Start difference. First operand 379 states and 503 transitions. Second operand 7 states. [2021-01-06 19:13:54,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:54,043 INFO L93 Difference]: Finished difference Result 723 states and 960 transitions. [2021-01-06 19:13:54,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:13:54,044 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2021-01-06 19:13:54,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:54,044 INFO L225 Difference]: With dead ends: 723 [2021-01-06 19:13:54,044 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:13:54,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:13:54,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:13:54,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:13:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:13:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:13:54,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-01-06 19:13:54,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:54,047 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:13:54,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:13:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:13:54,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:13:54,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:13:54,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:13:54,468 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 149 [2021-01-06 19:13:54,598 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-01-06 19:13:55,113 WARN L197 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 149 [2021-01-06 19:13:55,611 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 149 [2021-01-06 19:13:56,028 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 163 [2021-01-06 19:13:56,216 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 91 [2021-01-06 19:13:56,403 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 123 [2021-01-06 19:13:56,625 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 120 [2021-01-06 19:13:56,955 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 149 [2021-01-06 19:13:57,568 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2021-01-06 19:13:57,739 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2021-01-06 19:13:58,316 WARN L197 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2021-01-06 19:13:58,993 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 33 [2021-01-06 19:13:59,714 WARN L197 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 24 [2021-01-06 19:14:00,056 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 23 [2021-01-06 19:14:00,173 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2021-01-06 19:14:00,744 WARN L197 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 15 [2021-01-06 19:14:01,115 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2021-01-06 19:14:01,763 WARN L197 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 33 [2021-01-06 19:14:01,770 INFO L185 CegarLoopUtils]: At program point L828-2(lines 828 842) the Hoare annotation is: false [2021-01-06 19:14:01,771 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2021-01-06 19:14:01,771 INFO L185 CegarLoopUtils]: At program point L168(lines 167 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3))) [2021-01-06 19:14:01,771 INFO L189 CegarLoopUtils]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2021-01-06 19:14:01,771 INFO L185 CegarLoopUtils]: At program point L168-2(lines 167 186) the Hoare annotation is: false [2021-01-06 19:14:01,771 INFO L185 CegarLoopUtils]: At program point L168-3(lines 167 186) the Hoare annotation is: false [2021-01-06 19:14:01,772 INFO L189 CegarLoopUtils]: For program point L829(line 829) no Hoare annotation was computed. [2021-01-06 19:14:01,772 INFO L185 CegarLoopUtils]: At program point L334(lines 319 337) the Hoare annotation is: false [2021-01-06 19:14:01,772 INFO L185 CegarLoopUtils]: At program point L334-1(lines 319 337) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0) .cse4))) [2021-01-06 19:14:01,772 INFO L185 CegarLoopUtils]: At program point L334-2(lines 319 337) the Hoare annotation is: false [2021-01-06 19:14:01,772 INFO L185 CegarLoopUtils]: At program point L334-3(lines 319 337) the Hoare annotation is: false [2021-01-06 19:14:01,772 INFO L185 CegarLoopUtils]: At program point L334-4(lines 319 337) the Hoare annotation is: false [2021-01-06 19:14:01,773 INFO L185 CegarLoopUtils]: At program point L334-5(lines 319 337) the Hoare annotation is: false [2021-01-06 19:14:01,773 INFO L189 CegarLoopUtils]: For program point L402(lines 402 408) no Hoare annotation was computed. [2021-01-06 19:14:01,774 INFO L185 CegarLoopUtils]: At program point L402-1(lines 402 408) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)))) [2021-01-06 19:14:01,774 INFO L189 CegarLoopUtils]: For program point L204(lines 204 212) no Hoare annotation was computed. [2021-01-06 19:14:01,774 INFO L189 CegarLoopUtils]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2021-01-06 19:14:01,774 INFO L185 CegarLoopUtils]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-01-06 19:14:01,774 INFO L189 CegarLoopUtils]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2021-01-06 19:14:01,775 INFO L185 CegarLoopUtils]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2021-01-06 19:14:01,775 INFO L189 CegarLoopUtils]: For program point L204-3(lines 204 212) no Hoare annotation was computed. [2021-01-06 19:14:01,775 INFO L185 CegarLoopUtils]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-01-06 19:14:01,775 INFO L189 CegarLoopUtils]: For program point L204-4(lines 204 212) no Hoare annotation was computed. [2021-01-06 19:14:01,775 INFO L185 CegarLoopUtils]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2021-01-06 19:14:01,775 INFO L189 CegarLoopUtils]: For program point L204-5(lines 204 212) no Hoare annotation was computed. [2021-01-06 19:14:01,776 INFO L185 CegarLoopUtils]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-01-06 19:14:01,776 INFO L185 CegarLoopUtils]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-01-06 19:14:01,776 INFO L189 CegarLoopUtils]: For program point L832(lines 832 836) no Hoare annotation was computed. [2021-01-06 19:14:01,776 INFO L189 CegarLoopUtils]: For program point L832-1(lines 168 174) no Hoare annotation was computed. [2021-01-06 19:14:01,776 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2021-01-06 19:14:01,776 INFO L185 CegarLoopUtils]: At program point L175(lines 175 181) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2021-01-06 19:14:01,777 INFO L185 CegarLoopUtils]: At program point L175-1(lines 175 181) the Hoare annotation is: false [2021-01-06 19:14:01,777 INFO L185 CegarLoopUtils]: At program point L175-2(lines 175 181) the Hoare annotation is: false [2021-01-06 19:14:01,777 INFO L189 CegarLoopUtils]: For program point L968(lines 968 981) no Hoare annotation was computed. [2021-01-06 19:14:01,777 INFO L185 CegarLoopUtils]: At program point L968-1(lines 1 984) the Hoare annotation is: (let ((.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse6 .cse1 .cse2 .cse5))) [2021-01-06 19:14:01,777 INFO L189 CegarLoopUtils]: For program point L902(lines 902 909) no Hoare annotation was computed. [2021-01-06 19:14:01,777 INFO L189 CegarLoopUtils]: For program point L968-2(lines 968 981) no Hoare annotation was computed. [2021-01-06 19:14:01,778 INFO L185 CegarLoopUtils]: At program point L968-3(lines 1 984) the Hoare annotation is: false [2021-01-06 19:14:01,778 INFO L192 CegarLoopUtils]: At program point L902-1(lines 902 909) the Hoare annotation is: true [2021-01-06 19:14:01,778 INFO L189 CegarLoopUtils]: For program point L968-4(lines 968 981) no Hoare annotation was computed. [2021-01-06 19:14:01,778 INFO L185 CegarLoopUtils]: At program point L968-5(lines 1 984) the Hoare annotation is: false [2021-01-06 19:14:01,778 INFO L185 CegarLoopUtils]: At program point L442(lines 391 443) the Hoare annotation is: false [2021-01-06 19:14:01,778 INFO L185 CegarLoopUtils]: At program point L938(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-01-06 19:14:01,778 INFO L189 CegarLoopUtils]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-01-06 19:14:01,779 INFO L189 CegarLoopUtils]: For program point L972(lines 972 978) no Hoare annotation was computed. [2021-01-06 19:14:01,779 INFO L189 CegarLoopUtils]: For program point L972-2(lines 972 978) no Hoare annotation was computed. [2021-01-06 19:14:01,779 INFO L189 CegarLoopUtils]: For program point L972-4(lines 972 978) no Hoare annotation was computed. [2021-01-06 19:14:01,779 INFO L185 CegarLoopUtils]: At program point L279(lines 274 282) the Hoare annotation is: false [2021-01-06 19:14:01,779 INFO L185 CegarLoopUtils]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2021-01-06 19:14:01,779 INFO L185 CegarLoopUtils]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2021-01-06 19:14:01,779 INFO L189 CegarLoopUtils]: For program point L412(lines 412 418) no Hoare annotation was computed. [2021-01-06 19:14:01,780 INFO L185 CegarLoopUtils]: At program point L412-1(lines 412 418) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)))) [2021-01-06 19:14:01,780 INFO L185 CegarLoopUtils]: At program point L148(lines 143 151) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:01,780 INFO L185 CegarLoopUtils]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-01-06 19:14:01,780 INFO L185 CegarLoopUtils]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-01-06 19:14:01,780 INFO L189 CegarLoopUtils]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-01-06 19:14:01,780 INFO L189 CegarLoopUtils]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2021-01-06 19:14:01,780 INFO L189 CegarLoopUtils]: For program point L347-3(lines 347 351) no Hoare annotation was computed. [2021-01-06 19:14:01,780 INFO L189 CegarLoopUtils]: For program point L347-5(lines 347 351) no Hoare annotation was computed. [2021-01-06 19:14:01,781 INFO L189 CegarLoopUtils]: For program point L347-6(lines 347 351) no Hoare annotation was computed. [2021-01-06 19:14:01,781 INFO L189 CegarLoopUtils]: For program point L347-8(lines 347 351) no Hoare annotation was computed. [2021-01-06 19:14:01,781 INFO L185 CegarLoopUtils]: At program point L876(lines 872 878) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:01,781 INFO L192 CegarLoopUtils]: At program point L911(lines 892 914) the Hoare annotation is: true [2021-01-06 19:14:01,781 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:14:01,781 INFO L185 CegarLoopUtils]: At program point L946(lines 941 949) 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 19:14:01,782 INFO L185 CegarLoopUtils]: At program point L353(lines 338 356) the Hoare annotation is: (and (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~8 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 0))) [2021-01-06 19:14:01,782 INFO L185 CegarLoopUtils]: At program point L353-1(lines 338 356) the Hoare annotation is: false [2021-01-06 19:14:01,782 INFO L185 CegarLoopUtils]: At program point L353-2(lines 338 356) the Hoare annotation is: false [2021-01-06 19:14:01,782 INFO L189 CegarLoopUtils]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-01-06 19:14:01,782 INFO L189 CegarLoopUtils]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-01-06 19:14:01,782 INFO L189 CegarLoopUtils]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-01-06 19:14:01,782 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:14:01,782 INFO L189 CegarLoopUtils]: For program point L422(lines 422 437) no Hoare annotation was computed. [2021-01-06 19:14:01,783 INFO L185 CegarLoopUtils]: At program point L125(lines 120 128) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2021-01-06 19:14:01,783 INFO L185 CegarLoopUtils]: At program point L125-1(lines 120 128) the Hoare annotation is: false [2021-01-06 19:14:01,783 INFO L185 CegarLoopUtils]: At program point L125-2(lines 120 128) the Hoare annotation is: false [2021-01-06 19:14:01,783 INFO L189 CegarLoopUtils]: For program point L226(lines 226 243) no Hoare annotation was computed. [2021-01-06 19:14:01,783 INFO L189 CegarLoopUtils]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2021-01-06 19:14:01,783 INFO L189 CegarLoopUtils]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2021-01-06 19:14:01,783 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:14:01,783 INFO L189 CegarLoopUtils]: For program point L393(lines 392 441) no Hoare annotation was computed. [2021-01-06 19:14:01,784 INFO L189 CegarLoopUtils]: For program point L955(line 955) no Hoare annotation was computed. [2021-01-06 19:14:01,784 INFO L189 CegarLoopUtils]: For program point L955-1(line 955) no Hoare annotation was computed. [2021-01-06 19:14:01,784 INFO L189 CegarLoopUtils]: For program point L955-2(line 955) no Hoare annotation was computed. [2021-01-06 19:14:01,784 INFO L189 CegarLoopUtils]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-01-06 19:14:01,784 INFO L189 CegarLoopUtils]: For program point L361(lines 361 367) no Hoare annotation was computed. [2021-01-06 19:14:01,784 INFO L185 CegarLoopUtils]: At program point L361-1(lines 361 367) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:01,784 INFO L189 CegarLoopUtils]: For program point L328(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,784 INFO L189 CegarLoopUtils]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,785 INFO L189 CegarLoopUtils]: For program point L328-3(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,785 INFO L189 CegarLoopUtils]: For program point L328-5(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,785 INFO L189 CegarLoopUtils]: For program point L328-6(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,785 INFO L189 CegarLoopUtils]: For program point L328-8(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,785 INFO L189 CegarLoopUtils]: For program point L328-9(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,785 INFO L189 CegarLoopUtils]: For program point L328-11(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,785 INFO L189 CegarLoopUtils]: For program point L328-12(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,785 INFO L189 CegarLoopUtils]: For program point L328-14(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,786 INFO L189 CegarLoopUtils]: For program point L328-15(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,786 INFO L189 CegarLoopUtils]: For program point L328-17(lines 328 332) no Hoare annotation was computed. [2021-01-06 19:14:01,786 INFO L189 CegarLoopUtils]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-01-06 19:14:01,786 INFO L189 CegarLoopUtils]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2021-01-06 19:14:01,786 INFO L189 CegarLoopUtils]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-01-06 19:14:01,786 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:14:01,786 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2021-01-06 19:14:01,786 INFO L189 CegarLoopUtils]: For program point L430(lines 430 436) no Hoare annotation was computed. [2021-01-06 19:14:01,787 INFO L185 CegarLoopUtils]: At program point L430-1(lines 168 174) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2021-01-06 19:14:01,787 INFO L189 CegarLoopUtils]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:14:01,787 INFO L189 CegarLoopUtils]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:14:01,787 INFO L189 CegarLoopUtils]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:14:01,787 INFO L189 CegarLoopUtils]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:14:01,787 INFO L189 CegarLoopUtils]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:14:01,787 INFO L189 CegarLoopUtils]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:14:01,788 INFO L189 CegarLoopUtils]: For program point L200(lines 200 217) no Hoare annotation was computed. [2021-01-06 19:14:01,788 INFO L189 CegarLoopUtils]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2021-01-06 19:14:01,788 INFO L189 CegarLoopUtils]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2021-01-06 19:14:01,788 INFO L189 CegarLoopUtils]: For program point L200-3(lines 200 217) no Hoare annotation was computed. [2021-01-06 19:14:01,788 INFO L189 CegarLoopUtils]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-01-06 19:14:01,788 INFO L189 CegarLoopUtils]: For program point L200-4(lines 200 217) no Hoare annotation was computed. [2021-01-06 19:14:01,788 INFO L189 CegarLoopUtils]: For program point L200-5(lines 200 217) no Hoare annotation was computed. [2021-01-06 19:14:01,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:14:01 BoogieIcfgContainer [2021-01-06 19:14:01,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:14:01,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:14:01,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:14:01,839 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:14:01,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:48" (3/4) ... [2021-01-06 19:14:01,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:14:01,875 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:14:01,876 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:14:01,877 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:14:01,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:14:01,880 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:14:01,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:01,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:01,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-01-06 19:14:01,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-01-06 19:14:01,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:14:01,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2021-01-06 19:14:01,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2021-01-06 19:14:01,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-01-06 19:14:01,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-01-06 19:14:01,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-01-06 19:14:01,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-01-06 19:14:01,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) [2021-01-06 19:14:01,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-01-06 19:14:01,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-01-06 19:14:01,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && !(tmp___0 == 0) [2021-01-06 19:14:01,937 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((((!(tmp == 0) && !(\result == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) [2021-01-06 19:14:02,051 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product52.cil.c-witness.graphml [2021-01-06 19:14:02,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:14:02,053 INFO L168 Benchmark]: Toolchain (without parser) took 15861.16 ms. Allocated memory was 160.4 MB in the beginning and 373.3 MB in the end (delta: 212.9 MB). Free memory was 134.4 MB in the beginning and 145.8 MB in the end (delta: -11.5 MB). Peak memory consumption was 202.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:02,054 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 160.4 MB. Free memory is still 134.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:14:02,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.26 ms. Allocated memory is still 160.4 MB. Free memory was 134.2 MB in the beginning and 111.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:02,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.75 ms. Allocated memory is still 160.4 MB. Free memory was 111.7 MB in the beginning and 108.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:02,055 INFO L168 Benchmark]: Boogie Preprocessor took 118.55 ms. Allocated memory is still 160.4 MB. Free memory was 108.1 MB in the beginning and 140.6 MB in the end (delta: -32.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:02,056 INFO L168 Benchmark]: RCFGBuilder took 1287.24 ms. Allocated memory is still 160.4 MB. Free memory was 140.6 MB in the beginning and 78.8 MB in the end (delta: 61.9 MB). Peak memory consumption was 60.8 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:02,056 INFO L168 Benchmark]: TraceAbstraction took 13410.78 ms. Allocated memory was 160.4 MB in the beginning and 373.3 MB in the end (delta: 212.9 MB). Free memory was 78.3 MB in the beginning and 155.8 MB in the end (delta: -77.6 MB). Peak memory consumption was 136.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:02,057 INFO L168 Benchmark]: Witness Printer took 215.78 ms. Allocated memory is still 373.3 MB. Free memory was 155.8 MB in the beginning and 145.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:02,059 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 160.4 MB. Free memory is still 134.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 723.26 ms. Allocated memory is still 160.4 MB. Free memory was 134.2 MB in the beginning and 111.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 88.75 ms. Allocated memory is still 160.4 MB. Free memory was 111.7 MB in the beginning and 108.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.55 ms. Allocated memory is still 160.4 MB. Free memory was 108.1 MB in the beginning and 140.6 MB in the end (delta: -32.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1287.24 ms. Allocated memory is still 160.4 MB. Free memory was 140.6 MB in the beginning and 78.8 MB in the end (delta: 61.9 MB). Peak memory consumption was 60.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13410.78 ms. Allocated memory was 160.4 MB in the beginning and 373.3 MB in the end (delta: 212.9 MB). Free memory was 78.3 MB in the beginning and 155.8 MB in the end (delta: -77.6 MB). Peak memory consumption was 136.9 MB. Max. memory is 8.0 GB. * Witness Printer took 215.78 ms. Allocated memory is still 373.3 MB. Free memory was 155.8 MB in the beginning and 145.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 955]: 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: 175]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((((!(tmp == 0) && !(\result == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && !(tmp___0 == 0) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1425 SDtfs, 2882 SDslu, 2575 SDs, 0 SdLazy, 419 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=379occurred 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: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 2412 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 184 NumberOfFragments, 598 HoareAnnotationTreeSize, 44 FomulaSimplifications, 3296986 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 44 FomulaSimplificationsInter, 244236 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 623 ConstructedInterpolants, 0 QuantifiedInterpolants, 49241 SizeOfPredicates, 3 NumberOfNonLiveVariables, 814 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...