/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_spec1_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:10:33,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:10:33,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:10:33,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:10:33,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:10:33,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:10:33,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:10:33,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:10:33,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:10:33,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:10:33,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:10:33,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:10:33,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:10:33,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:10:33,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:10:33,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:10:33,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:10:33,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:10:33,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:10:33,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:10:33,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:10:33,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:10:33,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:10:33,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:10:33,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:10:33,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:10:33,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:10:33,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:10:33,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:10:33,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:10:33,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:10:33,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:10:33,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:10:33,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:10:33,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:10:33,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:10:33,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:10:33,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:10:33,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:10:33,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:10:33,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:10:33,760 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 19:10:33,795 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:10:33,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:10:33,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:10:33,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:10:33,797 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:10:33,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:10:33,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:10:33,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:10:33,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:10:33,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:10:33,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:10:33,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:10:33,799 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:10:33,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:10:33,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:10:33,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:10:33,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:10:33,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:10:33,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:10:33,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:10:33,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:10:33,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:10:33,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:10:33,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:10:33,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:10:33,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:10:34,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:10:34,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:10:34,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:10:34,266 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:10:34,266 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:10:34,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c [2021-01-06 19:10:34,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3be874dfa/df743bdb8fd346cc91e80fef1c80daec/FLAG2135bb302 [2021-01-06 19:10:35,037 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:10:35,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c [2021-01-06 19:10:35,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3be874dfa/df743bdb8fd346cc91e80fef1c80daec/FLAG2135bb302 [2021-01-06 19:10:35,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3be874dfa/df743bdb8fd346cc91e80fef1c80daec [2021-01-06 19:10:35,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:10:35,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:10:35,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:10:35,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:10:35,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:10:35,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:10:35" (1/1) ... [2021-01-06 19:10:35,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:35, skipping insertion in model container [2021-01-06 19:10:35,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:10:35" (1/1) ... [2021-01-06 19:10:35,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:10:35,436 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~3,] 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~4,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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~7,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2021-01-06 19:10:35,826 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_spec1_product49.cil.c[18106,18119] [2021-01-06 19:10:35,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:10:35,857 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~3,] 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~4,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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~7,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2021-01-06 19:10:35,956 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_spec1_product49.cil.c[18106,18119] [2021-01-06 19:10:35,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:10:36,021 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:10:36,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36 WrapperNode [2021-01-06 19:10:36,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:10:36,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:10:36,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:10:36,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:10:36,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (1/1) ... [2021-01-06 19:10:36,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (1/1) ... [2021-01-06 19:10:36,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:10:36,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:10:36,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:10:36,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:10:36,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (1/1) ... [2021-01-06 19:10:36,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (1/1) ... [2021-01-06 19:10:36,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (1/1) ... [2021-01-06 19:10:36,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (1/1) ... [2021-01-06 19:10:36,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (1/1) ... [2021-01-06 19:10:36,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (1/1) ... [2021-01-06 19:10:36,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (1/1) ... [2021-01-06 19:10:36,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:10:36,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:10:36,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:10:36,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:10:36,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (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 19:10:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:10:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:10:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:10:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:10:37,410 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:10:37,410 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-01-06 19:10:37,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:10:37 BoogieIcfgContainer [2021-01-06 19:10:37,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:10:37,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:10:37,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:10:37,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:10:37,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:10:35" (1/3) ... [2021-01-06 19:10:37,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e9d743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:10:37, skipping insertion in model container [2021-01-06 19:10:37,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:36" (2/3) ... [2021-01-06 19:10:37,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e9d743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:10:37, skipping insertion in model container [2021-01-06 19:10:37,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:10:37" (3/3) ... [2021-01-06 19:10:37,431 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product49.cil.c [2021-01-06 19:10:37,443 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:10:37,449 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:10:37,472 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:10:37,519 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:10:37,519 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:10:37,519 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:10:37,519 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:10:37,524 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:10:37,525 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:10:37,525 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:10:37,525 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:10:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2021-01-06 19:10:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 19:10:37,567 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:37,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:37,569 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:37,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:37,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1641629540, now seen corresponding path program 1 times [2021-01-06 19:10:37,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:37,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534600960] [2021-01-06 19:10:37,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:37,942 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 19:10:37,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534600960] [2021-01-06 19:10:37,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:37,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:10:37,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711725754] [2021-01-06 19:10:37,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:10:37,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:37,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:10:37,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:10:37,970 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2021-01-06 19:10:38,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:38,009 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-01-06 19:10:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:10:38,010 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-01-06 19:10:38,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:38,023 INFO L225 Difference]: With dead ends: 228 [2021-01-06 19:10:38,024 INFO L226 Difference]: Without dead ends: 113 [2021-01-06 19:10:38,028 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 19:10:38,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-01-06 19:10:38,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-01-06 19:10:38,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-01-06 19:10:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-01-06 19:10:38,123 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2021-01-06 19:10:38,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:38,124 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-01-06 19:10:38,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:10:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-01-06 19:10:38,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 19:10:38,126 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:38,126 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 19:10:38,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:10:38,129 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:38,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:38,133 INFO L82 PathProgramCache]: Analyzing trace with hash 594872643, now seen corresponding path program 1 times [2021-01-06 19:10:38,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:38,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363700436] [2021-01-06 19:10:38,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:38,397 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 19:10:38,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363700436] [2021-01-06 19:10:38,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:38,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:10:38,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537403022] [2021-01-06 19:10:38,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:10:38,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:38,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:10:38,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:38,405 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2021-01-06 19:10:38,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:38,444 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-01-06 19:10:38,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:10:38,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 19:10:38,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:38,449 INFO L225 Difference]: With dead ends: 113 [2021-01-06 19:10:38,449 INFO L226 Difference]: Without dead ends: 47 [2021-01-06 19:10:38,452 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 19:10:38,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-01-06 19:10:38,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-01-06 19:10:38,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-01-06 19:10:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-01-06 19:10:38,471 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2021-01-06 19:10:38,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:38,474 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-01-06 19:10:38,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:10:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-01-06 19:10:38,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 19:10:38,477 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:38,477 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 19:10:38,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:10:38,477 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:38,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:38,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1404483435, now seen corresponding path program 1 times [2021-01-06 19:10:38,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:38,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115729691] [2021-01-06 19:10:38,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:38,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115729691] [2021-01-06 19:10:38,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:38,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:10:38,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437048601] [2021-01-06 19:10:38,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:10:38,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:38,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:10:38,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:10:38,692 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 6 states. [2021-01-06 19:10:39,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:39,067 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-01-06 19:10:39,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:10:39,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-01-06 19:10:39,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:39,071 INFO L225 Difference]: With dead ends: 88 [2021-01-06 19:10:39,072 INFO L226 Difference]: Without dead ends: 47 [2021-01-06 19:10:39,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:10:39,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-01-06 19:10:39,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-01-06 19:10:39,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-01-06 19:10:39,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-01-06 19:10:39,087 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2021-01-06 19:10:39,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:39,088 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-01-06 19:10:39,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:10:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-01-06 19:10:39,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:10:39,090 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:39,090 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 19:10:39,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:10:39,091 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:39,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:39,092 INFO L82 PathProgramCache]: Analyzing trace with hash -764351347, now seen corresponding path program 1 times [2021-01-06 19:10:39,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:39,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819563695] [2021-01-06 19:10:39,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:39,193 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 19:10:39,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819563695] [2021-01-06 19:10:39,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:39,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:10:39,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177652205] [2021-01-06 19:10:39,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:10:39,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:39,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:10:39,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:39,199 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-01-06 19:10:39,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:39,254 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2021-01-06 19:10:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:10:39,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:10:39,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:39,258 INFO L225 Difference]: With dead ends: 109 [2021-01-06 19:10:39,258 INFO L226 Difference]: Without dead ends: 68 [2021-01-06 19:10:39,262 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 19:10:39,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-01-06 19:10:39,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2021-01-06 19:10:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-01-06 19:10:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2021-01-06 19:10:39,287 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2021-01-06 19:10:39,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:39,289 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2021-01-06 19:10:39,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:10:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-01-06 19:10:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-01-06 19:10:39,291 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:39,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:39,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:10:39,292 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:39,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:39,293 INFO L82 PathProgramCache]: Analyzing trace with hash -805303330, now seen corresponding path program 1 times [2021-01-06 19:10:39,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:39,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683000760] [2021-01-06 19:10:39,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:39,424 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 19:10:39,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683000760] [2021-01-06 19:10:39,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:39,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:10:39,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757338736] [2021-01-06 19:10:39,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:39,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:39,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:39,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:39,430 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2021-01-06 19:10:39,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:39,531 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2021-01-06 19:10:39,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:10:39,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-01-06 19:10:39,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:39,532 INFO L225 Difference]: With dead ends: 175 [2021-01-06 19:10:39,532 INFO L226 Difference]: Without dead ends: 115 [2021-01-06 19:10:39,533 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 19:10:39,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-01-06 19:10:39,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2021-01-06 19:10:39,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-01-06 19:10:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2021-01-06 19:10:39,543 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2021-01-06 19:10:39,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:39,544 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2021-01-06 19:10:39,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:10:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-01-06 19:10:39,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-01-06 19:10:39,545 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:39,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:39,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:10:39,546 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:39,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:39,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1857207713, now seen corresponding path program 1 times [2021-01-06 19:10:39,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:39,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352792068] [2021-01-06 19:10:39,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:39,610 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 19:10:39,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352792068] [2021-01-06 19:10:39,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:39,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:10:39,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639703865] [2021-01-06 19:10:39,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:39,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:39,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:39,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:39,614 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2021-01-06 19:10:39,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:39,692 INFO L93 Difference]: Finished difference Result 382 states and 538 transitions. [2021-01-06 19:10:39,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:10:39,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-01-06 19:10:39,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:39,695 INFO L225 Difference]: With dead ends: 382 [2021-01-06 19:10:39,696 INFO L226 Difference]: Without dead ends: 316 [2021-01-06 19:10:39,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:10:39,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-01-06 19:10:39,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 132. [2021-01-06 19:10:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-01-06 19:10:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 181 transitions. [2021-01-06 19:10:39,713 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 181 transitions. Word has length 30 [2021-01-06 19:10:39,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:39,713 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 181 transitions. [2021-01-06 19:10:39,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:10:39,713 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 181 transitions. [2021-01-06 19:10:39,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:10:39,715 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:39,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:39,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:10:39,715 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:39,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:39,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1765991081, now seen corresponding path program 1 times [2021-01-06 19:10:39,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:39,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623561072] [2021-01-06 19:10:39,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:39,774 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 19:10:39,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623561072] [2021-01-06 19:10:39,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:39,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:10:39,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912543173] [2021-01-06 19:10:39,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:39,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:39,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:39,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:39,777 INFO L87 Difference]: Start difference. First operand 132 states and 181 transitions. Second operand 5 states. [2021-01-06 19:10:39,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:39,902 INFO L93 Difference]: Finished difference Result 378 states and 520 transitions. [2021-01-06 19:10:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:10:39,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-01-06 19:10:39,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:39,905 INFO L225 Difference]: With dead ends: 378 [2021-01-06 19:10:39,905 INFO L226 Difference]: Without dead ends: 376 [2021-01-06 19:10:39,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:10:39,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-01-06 19:10:39,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2021-01-06 19:10:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-01-06 19:10:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 180 transitions. [2021-01-06 19:10:39,920 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 180 transitions. Word has length 31 [2021-01-06 19:10:39,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:39,921 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 180 transitions. [2021-01-06 19:10:39,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:10:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 180 transitions. [2021-01-06 19:10:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:10:39,922 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:39,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:39,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:10:39,923 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:39,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:39,923 INFO L82 PathProgramCache]: Analyzing trace with hash -526561838, now seen corresponding path program 1 times [2021-01-06 19:10:39,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:39,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096360376] [2021-01-06 19:10:39,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:39,969 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 19:10:39,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096360376] [2021-01-06 19:10:39,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:39,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:10:39,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660400451] [2021-01-06 19:10:39,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:10:39,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:39,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:10:39,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:10:39,972 INFO L87 Difference]: Start difference. First operand 132 states and 180 transitions. Second operand 4 states. [2021-01-06 19:10:40,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:40,024 INFO L93 Difference]: Finished difference Result 316 states and 428 transitions. [2021-01-06 19:10:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:10:40,025 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-01-06 19:10:40,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:40,027 INFO L225 Difference]: With dead ends: 316 [2021-01-06 19:10:40,027 INFO L226 Difference]: Without dead ends: 190 [2021-01-06 19:10:40,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:40,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-01-06 19:10:40,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 140. [2021-01-06 19:10:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-01-06 19:10:40,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 188 transitions. [2021-01-06 19:10:40,051 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 188 transitions. Word has length 31 [2021-01-06 19:10:40,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:40,052 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 188 transitions. [2021-01-06 19:10:40,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:10:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 188 transitions. [2021-01-06 19:10:40,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:10:40,054 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:40,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:40,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:10:40,055 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:40,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:40,055 INFO L82 PathProgramCache]: Analyzing trace with hash -268396400, now seen corresponding path program 1 times [2021-01-06 19:10:40,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:40,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058936594] [2021-01-06 19:10:40,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:40,100 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 19:10:40,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058936594] [2021-01-06 19:10:40,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:40,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:10:40,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732260848] [2021-01-06 19:10:40,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:10:40,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:40,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:10:40,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:40,103 INFO L87 Difference]: Start difference. First operand 140 states and 188 transitions. Second operand 3 states. [2021-01-06 19:10:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:40,141 INFO L93 Difference]: Finished difference Result 324 states and 434 transitions. [2021-01-06 19:10:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:10:40,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2021-01-06 19:10:40,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:40,143 INFO L225 Difference]: With dead ends: 324 [2021-01-06 19:10:40,143 INFO L226 Difference]: Without dead ends: 190 [2021-01-06 19:10:40,144 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 19:10:40,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-01-06 19:10:40,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2021-01-06 19:10:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-01-06 19:10:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 248 transitions. [2021-01-06 19:10:40,165 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 248 transitions. Word has length 31 [2021-01-06 19:10:40,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:40,165 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 248 transitions. [2021-01-06 19:10:40,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:10:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2021-01-06 19:10:40,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:10:40,171 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:40,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:40,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:10:40,172 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:40,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:40,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1913811026, now seen corresponding path program 1 times [2021-01-06 19:10:40,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:40,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414526625] [2021-01-06 19:10:40,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:10:40,273 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:10:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:10:40,350 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:10:40,418 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 19:10:40,419 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 19:10:40,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:10:40,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:10:40 BoogieIcfgContainer [2021-01-06 19:10:40,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:10:40,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:10:40,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:10:40,570 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:10:40,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:10:37" (3/4) ... [2021-01-06 19:10:40,573 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 19:10:40,666 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product49.cil.c-witness.graphml [2021-01-06 19:10:40,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:10:40,669 INFO L168 Benchmark]: Toolchain (without parser) took 5299.65 ms. Allocated memory was 162.5 MB in the beginning and 203.4 MB in the end (delta: 40.9 MB). Free memory was 136.8 MB in the beginning and 76.6 MB in the end (delta: 60.2 MB). Peak memory consumption was 102.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:40,670 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 162.5 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:10:40,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.06 ms. Allocated memory is still 162.5 MB. Free memory was 136.4 MB in the beginning and 115.1 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:40,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.97 ms. Allocated memory is still 162.5 MB. Free memory was 114.9 MB in the beginning and 111.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:40,671 INFO L168 Benchmark]: Boogie Preprocessor took 51.86 ms. Allocated memory is still 162.5 MB. Free memory was 111.3 MB in the beginning and 108.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:40,672 INFO L168 Benchmark]: RCFGBuilder took 1234.82 ms. Allocated memory is still 162.5 MB. Free memory was 108.5 MB in the beginning and 81.9 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:40,673 INFO L168 Benchmark]: TraceAbstraction took 3151.47 ms. Allocated memory was 162.5 MB in the beginning and 203.4 MB in the end (delta: 40.9 MB). Free memory was 81.3 MB in the beginning and 89.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:40,673 INFO L168 Benchmark]: Witness Printer took 96.88 ms. Allocated memory is still 203.4 MB. Free memory was 89.7 MB in the beginning and 76.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:40,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 162.5 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 652.06 ms. Allocated memory is still 162.5 MB. Free memory was 136.4 MB in the beginning and 115.1 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 101.97 ms. Allocated memory is still 162.5 MB. Free memory was 114.9 MB in the beginning and 111.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 51.86 ms. Allocated memory is still 162.5 MB. Free memory was 111.3 MB in the beginning and 108.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1234.82 ms. Allocated memory is still 162.5 MB. Free memory was 108.5 MB in the beginning and 81.9 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3151.47 ms. Allocated memory was 162.5 MB in the beginning and 203.4 MB in the end (delta: 40.9 MB). Free memory was 81.3 MB in the beginning and 89.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 8.0 GB. * Witness Printer took 96.88 ms. Allocated memory is still 203.4 MB. Free memory was 89.7 MB in the beginning and 76.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 952]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L71] int cleanupTimeShifts = 4; [L344] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L547] int pumpRunning = 0; [L548] int systemActive = 1; [L845] int waterLevel = 1; [L846] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L152] int retValue_acc ; [L153] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L835] int retValue_acc ; [L838] retValue_acc = 1 [L839] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L159] tmp = valid_product() [L161] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L754] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L762] tmp = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] COND TRUE waterLevel < 2 [L864] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L772] tmp___0 = __VERIFIER_nondet_int() [L774] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] COND FALSE !(\read(methaneLevelCritical)) [L878] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L554] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L561] COND TRUE \read(systemActive) [L609] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L612] COND FALSE !(\read(pumpRunning)) [L583] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L586] COND TRUE ! pumpRunning [L706] int retValue_acc ; [L707] int tmp ; [L708] int tmp___0 ; [L925] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L928] COND FALSE !(waterLevel < 2) [L932] retValue_acc = 0 [L933] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L712] tmp = isHighWaterSensorDry() [L714] COND FALSE !(\read(tmp)) [L717] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L719] retValue_acc = tmp___0 [L720] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L588] tmp = isHighWaterLevel() [L590] COND TRUE \read(tmp) [L637] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L46] int tmp ; [L47] int tmp___0 ; [L884] int retValue_acc ; [L887] retValue_acc = methaneLevelCritical [L888] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND TRUE \read(tmp) [L661] int retValue_acc ; [L664] retValue_acc = pumpRunning [L665] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L55] tmp___0 = isPumpRunning() [L57] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L952] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 828 SDtfs, 1031 SDslu, 1037 SDs, 0 SdLazy, 143 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 523 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 12222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...