/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:11:39,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:11:39,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:11:39,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:11:39,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:11:39,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:11:39,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:11:39,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:11:39,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:11:39,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:11:39,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:11:39,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:11:39,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:11:39,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:11:39,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:11:39,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:11:39,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:11:39,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:11:39,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:11:39,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:11:39,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:11:39,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:11:39,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:11:39,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:11:39,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:11:39,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:11:39,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:11:39,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:11:39,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:11:39,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:11:39,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:11:39,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:11:39,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:11:39,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:11:39,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:11:39,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:11:39,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:11:39,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:11:39,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:11:39,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:11:39,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:11:39,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:11:39,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:11:39,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:11:39,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:11:39,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:11:39,925 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:11:39,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:11:39,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:11:39,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:11:39,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:11:39,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:11:39,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:11:39,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:11:39,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:11:39,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:11:39,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:11:39,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:11:39,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:11:39,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:11:39,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:11:39,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:11:39,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:11:39,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:11:39,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:11:39,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:11:39,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:11:39,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:11:40,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:11:40,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:11:40,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:11:40,383 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:11:40,384 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:11:40,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2021-01-06 19:11:40,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2d96fddb5/0a21a1274b69474b801f92f5492a4d5c/FLAG65d2d8a2a [2021-01-06 19:11:41,319 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:11:41,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2021-01-06 19:11:41,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2d96fddb5/0a21a1274b69474b801f92f5492a4d5c/FLAG65d2d8a2a [2021-01-06 19:11:41,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2d96fddb5/0a21a1274b69474b801f92f5492a4d5c [2021-01-06 19:11:41,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:11:41,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:11:41,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:11:41,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:11:41,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:11:41,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d606f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41, skipping insertion in model container [2021-01-06 19:11:41,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:11:41,644 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] [2021-01-06 19:11:42,015 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18079,18092] [2021-01-06 19:11:42,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:11:42,043 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] [2021-01-06 19:11:42,132 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18079,18092] [2021-01-06 19:11:42,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:11:42,178 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:11:42,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42 WrapperNode [2021-01-06 19:11:42,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:11:42,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:11:42,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:11:42,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:11:42,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (1/1) ... [2021-01-06 19:11:42,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (1/1) ... [2021-01-06 19:11:42,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:11:42,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:11:42,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:11:42,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:11:42,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (1/1) ... [2021-01-06 19:11:42,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (1/1) ... [2021-01-06 19:11:42,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (1/1) ... [2021-01-06 19:11:42,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (1/1) ... [2021-01-06 19:11:42,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (1/1) ... [2021-01-06 19:11:42,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (1/1) ... [2021-01-06 19:11:42,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (1/1) ... [2021-01-06 19:11:42,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:11:42,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:11:42,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:11:42,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:11:42,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:11:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:11:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:11:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:11:42,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:11:43,523 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:11:43,524 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-01-06 19:11:43,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:43 BoogieIcfgContainer [2021-01-06 19:11:43,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:11:43,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:11:43,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:11:43,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:11:43,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:11:41" (1/3) ... [2021-01-06 19:11:43,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53410cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:11:43, skipping insertion in model container [2021-01-06 19:11:43,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:42" (2/3) ... [2021-01-06 19:11:43,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53410cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:11:43, skipping insertion in model container [2021-01-06 19:11:43,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:43" (3/3) ... [2021-01-06 19:11:43,537 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2021-01-06 19:11:43,544 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:11:43,550 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:11:43,571 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:11:43,601 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:11:43,602 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:11:43,602 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:11:43,602 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:11:43,602 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:11:43,603 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:11:43,603 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:11:43,603 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:11:43,621 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2021-01-06 19:11:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:11:43,628 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:43,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:43,630 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:43,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:43,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1388908220, now seen corresponding path program 1 times [2021-01-06 19:11:43,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:43,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691035810] [2021-01-06 19:11:43,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:43,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691035810] [2021-01-06 19:11:43,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:43,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:43,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632044523] [2021-01-06 19:11:43,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:11:44,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:44,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:11:44,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:11:44,019 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2021-01-06 19:11:44,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:44,054 INFO L93 Difference]: Finished difference Result 179 states and 270 transitions. [2021-01-06 19:11:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:11:44,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:11:44,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:44,069 INFO L225 Difference]: With dead ends: 179 [2021-01-06 19:11:44,069 INFO L226 Difference]: Without dead ends: 89 [2021-01-06 19:11:44,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:11:44,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-01-06 19:11:44,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-01-06 19:11:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-01-06 19:11:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2021-01-06 19:11:44,126 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 18 [2021-01-06 19:11:44,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:44,126 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2021-01-06 19:11:44,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:11:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2021-01-06 19:11:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:11:44,128 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:44,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:44,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:11:44,129 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:44,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:44,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1607744189, now seen corresponding path program 1 times [2021-01-06 19:11:44,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:44,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323229975] [2021-01-06 19:11:44,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:44,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323229975] [2021-01-06 19:11:44,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:44,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:11:44,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776313954] [2021-01-06 19:11:44,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:44,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:44,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:44,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:44,298 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand 3 states. [2021-01-06 19:11:44,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:44,311 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2021-01-06 19:11:44,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:44,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:11:44,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:44,313 INFO L225 Difference]: With dead ends: 89 [2021-01-06 19:11:44,313 INFO L226 Difference]: Without dead ends: 41 [2021-01-06 19:11:44,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:44,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-01-06 19:11:44,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-01-06 19:11:44,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-01-06 19:11:44,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2021-01-06 19:11:44,322 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 19 [2021-01-06 19:11:44,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:44,323 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2021-01-06 19:11:44,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-01-06 19:11:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:11:44,324 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:44,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:44,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:11:44,325 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:44,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:44,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1417220031, now seen corresponding path program 1 times [2021-01-06 19:11:44,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:44,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906192779] [2021-01-06 19:11:44,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:44,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906192779] [2021-01-06 19:11:44,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:44,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:44,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255349744] [2021-01-06 19:11:44,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:44,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:44,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:44,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:44,455 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand 3 states. [2021-01-06 19:11:44,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:44,475 INFO L93 Difference]: Finished difference Result 109 states and 160 transitions. [2021-01-06 19:11:44,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:44,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:11:44,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:44,478 INFO L225 Difference]: With dead ends: 109 [2021-01-06 19:11:44,478 INFO L226 Difference]: Without dead ends: 75 [2021-01-06 19:11:44,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:44,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-01-06 19:11:44,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2021-01-06 19:11:44,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-01-06 19:11:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-01-06 19:11:44,492 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 24 [2021-01-06 19:11:44,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:44,493 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-01-06 19:11:44,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:44,493 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-01-06 19:11:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 19:11:44,494 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:44,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:44,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:11:44,495 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:44,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:44,496 INFO L82 PathProgramCache]: Analyzing trace with hash -462384263, now seen corresponding path program 1 times [2021-01-06 19:11:44,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:44,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145362210] [2021-01-06 19:11:44,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:44,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145362210] [2021-01-06 19:11:44,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:44,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:44,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101259476] [2021-01-06 19:11:44,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:44,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:44,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:44,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:44,622 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2021-01-06 19:11:44,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:44,659 INFO L93 Difference]: Finished difference Result 178 states and 267 transitions. [2021-01-06 19:11:44,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:44,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-01-06 19:11:44,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:44,661 INFO L225 Difference]: With dead ends: 178 [2021-01-06 19:11:44,662 INFO L226 Difference]: Without dead ends: 114 [2021-01-06 19:11:44,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:44,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-01-06 19:11:44,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2021-01-06 19:11:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-01-06 19:11:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 164 transitions. [2021-01-06 19:11:44,679 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 164 transitions. Word has length 25 [2021-01-06 19:11:44,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:44,680 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 164 transitions. [2021-01-06 19:11:44,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 164 transitions. [2021-01-06 19:11:44,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-06 19:11:44,681 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:44,682 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] [2021-01-06 19:11:44,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:11:44,682 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:44,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:44,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1738728008, now seen corresponding path program 1 times [2021-01-06 19:11:44,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:44,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677874485] [2021-01-06 19:11:44,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:44,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:44,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677874485] [2021-01-06 19:11:44,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:44,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:11:44,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749549630] [2021-01-06 19:11:44,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:44,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:44,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:44,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:44,769 INFO L87 Difference]: Start difference. First operand 112 states and 164 transitions. Second operand 5 states. [2021-01-06 19:11:44,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:44,984 INFO L93 Difference]: Finished difference Result 544 states and 809 transitions. [2021-01-06 19:11:44,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:11:44,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-01-06 19:11:44,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:44,998 INFO L225 Difference]: With dead ends: 544 [2021-01-06 19:11:44,999 INFO L226 Difference]: Without dead ends: 439 [2021-01-06 19:11:45,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:11:45,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-01-06 19:11:45,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 203. [2021-01-06 19:11:45,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2021-01-06 19:11:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 292 transitions. [2021-01-06 19:11:45,062 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 292 transitions. Word has length 27 [2021-01-06 19:11:45,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:45,067 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 292 transitions. [2021-01-06 19:11:45,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:45,067 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 292 transitions. [2021-01-06 19:11:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-01-06 19:11:45,069 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:45,070 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] [2021-01-06 19:11:45,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:11:45,070 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:45,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:45,073 INFO L82 PathProgramCache]: Analyzing trace with hash 304582848, now seen corresponding path program 1 times [2021-01-06 19:11:45,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:45,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213890066] [2021-01-06 19:11:45,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:45,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:45,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213890066] [2021-01-06 19:11:45,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:45,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:11:45,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629822360] [2021-01-06 19:11:45,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:45,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:45,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:45,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:45,163 INFO L87 Difference]: Start difference. First operand 203 states and 292 transitions. Second operand 5 states. [2021-01-06 19:11:45,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:45,352 INFO L93 Difference]: Finished difference Result 769 states and 1111 transitions. [2021-01-06 19:11:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:11:45,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-01-06 19:11:45,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:45,356 INFO L225 Difference]: With dead ends: 769 [2021-01-06 19:11:45,357 INFO L226 Difference]: Without dead ends: 573 [2021-01-06 19:11:45,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:11:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2021-01-06 19:11:45,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 201. [2021-01-06 19:11:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2021-01-06 19:11:45,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 286 transitions. [2021-01-06 19:11:45,399 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 286 transitions. Word has length 28 [2021-01-06 19:11:45,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:45,400 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 286 transitions. [2021-01-06 19:11:45,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:45,401 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 286 transitions. [2021-01-06 19:11:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 19:11:45,410 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:45,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:45,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:11:45,411 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:45,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:45,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1643402821, now seen corresponding path program 1 times [2021-01-06 19:11:45,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:45,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680434882] [2021-01-06 19:11:45,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:45,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680434882] [2021-01-06 19:11:45,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:45,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:11:45,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670084997] [2021-01-06 19:11:45,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:45,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:45,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:45,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:45,517 INFO L87 Difference]: Start difference. First operand 201 states and 286 transitions. Second operand 5 states. [2021-01-06 19:11:45,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:45,592 INFO L93 Difference]: Finished difference Result 555 states and 781 transitions. [2021-01-06 19:11:45,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:11:45,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2021-01-06 19:11:45,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:45,597 INFO L225 Difference]: With dead ends: 555 [2021-01-06 19:11:45,597 INFO L226 Difference]: Without dead ends: 361 [2021-01-06 19:11:45,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:11:45,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-01-06 19:11:45,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 213. [2021-01-06 19:11:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2021-01-06 19:11:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 298 transitions. [2021-01-06 19:11:45,627 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 298 transitions. Word has length 35 [2021-01-06 19:11:45,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:45,627 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 298 transitions. [2021-01-06 19:11:45,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:45,628 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 298 transitions. [2021-01-06 19:11:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 19:11:45,629 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:45,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:45,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:11:45,630 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:45,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:45,630 INFO L82 PathProgramCache]: Analyzing trace with hash 632285571, now seen corresponding path program 1 times [2021-01-06 19:11:45,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:45,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372504309] [2021-01-06 19:11:45,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:45,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372504309] [2021-01-06 19:11:45,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:45,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:11:45,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525883404] [2021-01-06 19:11:45,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:11:45,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:45,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:11:45,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:11:45,706 INFO L87 Difference]: Start difference. First operand 213 states and 298 transitions. Second operand 4 states. [2021-01-06 19:11:45,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:45,757 INFO L93 Difference]: Finished difference Result 515 states and 715 transitions. [2021-01-06 19:11:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:11:45,758 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2021-01-06 19:11:45,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:45,760 INFO L225 Difference]: With dead ends: 515 [2021-01-06 19:11:45,761 INFO L226 Difference]: Without dead ends: 309 [2021-01-06 19:11:45,761 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 19:11:45,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-01-06 19:11:45,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 221. [2021-01-06 19:11:45,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2021-01-06 19:11:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 306 transitions. [2021-01-06 19:11:45,783 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 306 transitions. Word has length 35 [2021-01-06 19:11:45,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:45,783 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 306 transitions. [2021-01-06 19:11:45,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:11:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 306 transitions. [2021-01-06 19:11:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 19:11:45,784 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:45,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:45,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:11:45,785 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:45,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:45,785 INFO L82 PathProgramCache]: Analyzing trace with hash -388782783, now seen corresponding path program 1 times [2021-01-06 19:11:45,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:45,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038609000] [2021-01-06 19:11:45,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:45,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038609000] [2021-01-06 19:11:45,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:45,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:45,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160871599] [2021-01-06 19:11:45,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:45,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:45,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:45,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:45,872 INFO L87 Difference]: Start difference. First operand 221 states and 306 transitions. Second operand 3 states. [2021-01-06 19:11:45,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:45,927 INFO L93 Difference]: Finished difference Result 535 states and 735 transitions. [2021-01-06 19:11:45,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:45,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2021-01-06 19:11:45,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:45,930 INFO L225 Difference]: With dead ends: 535 [2021-01-06 19:11:45,930 INFO L226 Difference]: Without dead ends: 321 [2021-01-06 19:11:45,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:45,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-01-06 19:11:45,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2021-01-06 19:11:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2021-01-06 19:11:45,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 428 transitions. [2021-01-06 19:11:45,971 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 428 transitions. Word has length 35 [2021-01-06 19:11:45,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:45,971 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 428 transitions. [2021-01-06 19:11:45,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 428 transitions. [2021-01-06 19:11:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-01-06 19:11:45,973 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:45,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:45,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:11:45,975 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:45,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:45,976 INFO L82 PathProgramCache]: Analyzing trace with hash -713441279, now seen corresponding path program 1 times [2021-01-06 19:11:45,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:45,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498036021] [2021-01-06 19:11:45,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:46,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498036021] [2021-01-06 19:11:46,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:46,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:11:46,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897874097] [2021-01-06 19:11:46,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:11:46,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:46,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:11:46,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:11:46,086 INFO L87 Difference]: Start difference. First operand 321 states and 428 transitions. Second operand 8 states. [2021-01-06 19:11:46,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:46,759 INFO L93 Difference]: Finished difference Result 1231 states and 1624 transitions. [2021-01-06 19:11:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-06 19:11:46,761 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2021-01-06 19:11:46,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:46,768 INFO L225 Difference]: With dead ends: 1231 [2021-01-06 19:11:46,768 INFO L226 Difference]: Without dead ends: 917 [2021-01-06 19:11:46,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2021-01-06 19:11:46,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2021-01-06 19:11:46,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 321. [2021-01-06 19:11:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2021-01-06 19:11:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 420 transitions. [2021-01-06 19:11:46,807 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 420 transitions. Word has length 36 [2021-01-06 19:11:46,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:46,807 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 420 transitions. [2021-01-06 19:11:46,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:11:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 420 transitions. [2021-01-06 19:11:46,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:11:46,809 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:46,810 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:46,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:11:46,810 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:46,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:46,811 INFO L82 PathProgramCache]: Analyzing trace with hash -838060658, now seen corresponding path program 1 times [2021-01-06 19:11:46,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:46,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705950777] [2021-01-06 19:11:46,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:46,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705950777] [2021-01-06 19:11:46,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:46,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:11:46,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906431391] [2021-01-06 19:11:46,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:46,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:46,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:46,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:46,876 INFO L87 Difference]: Start difference. First operand 321 states and 420 transitions. Second operand 3 states. [2021-01-06 19:11:46,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:46,947 INFO L93 Difference]: Finished difference Result 471 states and 623 transitions. [2021-01-06 19:11:46,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:46,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 19:11:46,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:46,952 INFO L225 Difference]: With dead ends: 471 [2021-01-06 19:11:46,952 INFO L226 Difference]: Without dead ends: 469 [2021-01-06 19:11:46,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:46,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-01-06 19:11:46,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 361. [2021-01-06 19:11:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2021-01-06 19:11:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 481 transitions. [2021-01-06 19:11:46,994 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 481 transitions. Word has length 51 [2021-01-06 19:11:46,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:46,994 INFO L481 AbstractCegarLoop]: Abstraction has 361 states and 481 transitions. [2021-01-06 19:11:46,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 481 transitions. [2021-01-06 19:11:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 19:11:46,996 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:46,996 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:46,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:11:46,998 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:46,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:46,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1134302103, now seen corresponding path program 1 times [2021-01-06 19:11:46,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:47,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360324392] [2021-01-06 19:11:47,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:11:47,104 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:11:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:11:47,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:11:47,282 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 19:11:47,283 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 19:11:47,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:11:47,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:11:47 BoogieIcfgContainer [2021-01-06 19:11:47,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:11:47,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:11:47,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:11:47,543 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:11:47,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:43" (3/4) ... [2021-01-06 19:11:47,547 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 19:11:47,766 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product43.cil.c-witness.graphml [2021-01-06 19:11:47,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:11:47,769 INFO L168 Benchmark]: Toolchain (without parser) took 6219.77 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 126.3 MB in the beginning and 112.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 46.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:47,770 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:11:47,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.16 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 104.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:47,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.30 ms. Allocated memory is still 151.0 MB. Free memory was 104.3 MB in the beginning and 133.4 MB in the end (delta: -29.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:47,772 INFO L168 Benchmark]: Boogie Preprocessor took 60.48 ms. Allocated memory is still 151.0 MB. Free memory was 133.4 MB in the beginning and 131.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:47,772 INFO L168 Benchmark]: RCFGBuilder took 1146.38 ms. Allocated memory is still 151.0 MB. Free memory was 131.3 MB in the beginning and 74.7 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:47,773 INFO L168 Benchmark]: TraceAbstraction took 4014.34 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 74.2 MB in the beginning and 139.6 MB in the end (delta: -65.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:47,773 INFO L168 Benchmark]: Witness Printer took 223.48 ms. Allocated memory is still 182.5 MB. Free memory was 139.6 MB in the beginning and 112.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:47,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 624.16 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 104.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 123.30 ms. Allocated memory is still 151.0 MB. Free memory was 104.3 MB in the beginning and 133.4 MB in the end (delta: -29.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 60.48 ms. Allocated memory is still 151.0 MB. Free memory was 133.4 MB in the beginning and 131.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1146.38 ms. Allocated memory is still 151.0 MB. Free memory was 131.3 MB in the beginning and 74.7 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4014.34 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 74.2 MB in the beginning and 139.6 MB in the end (delta: -65.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 8.0 GB. * Witness Printer took 223.48 ms. Allocated memory is still 182.5 MB. Free memory was 139.6 MB in the beginning and 112.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 948]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L509] int cleanupTimeShifts = 4; [L650] int methAndRunningLastTime ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L590] int retValue_acc ; [L591] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L639] int retValue_acc ; [L642] retValue_acc = 1 [L643] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L597] tmp = valid_product() [L599] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L655] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L691] int splverifierCounter ; [L692] int tmp ; [L693] int tmp___0 ; [L694] int tmp___1 ; [L695] int tmp___2 ; [L698] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L702] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L708] tmp = __VERIFIER_nondet_int() [L710] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] COND TRUE ! pumpRunning [L910] int retValue_acc ; [L911] int tmp ; [L912] int tmp___0 ; [L129] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L916] tmp = isHighWaterSensorDry() [L918] COND FALSE !(\read(tmp)) [L921] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L923] retValue_acc = tmp___0 [L924] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L800] tmp = isHighWaterLevel() [L802] COND TRUE \read(tmp) [L829] int tmp ; [L854] int retValue_acc ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] retValue_acc = isMethaneLevelCritical() [L860] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L833] tmp = isMethaneAlarm() [L835] COND FALSE !(\read(tmp)) [L823] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L660] int tmp ; [L661] int tmp___0 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L665] tmp = isMethaneLevelCritical() [L667] COND FALSE !(\read(tmp)) [L683] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L702] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L766] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L798] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L660] int tmp ; [L661] int tmp___0 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L665] tmp = isMethaneLevelCritical() [L667] COND TRUE \read(tmp) [L865] int retValue_acc ; [L868] retValue_acc = pumpRunning [L869] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L669] tmp___0 = isPumpRunning() [L671] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L672] COND FALSE !(\read(methAndRunningLastTime)) [L677] methAndRunningLastTime = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L702] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L798] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L660] int tmp ; [L661] int tmp___0 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L665] tmp = isMethaneLevelCritical() [L667] COND TRUE \read(tmp) [L865] int retValue_acc ; [L868] retValue_acc = pumpRunning [L869] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L669] tmp___0 = isPumpRunning() [L671] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L672] COND TRUE \read(methAndRunningLastTime) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L948] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.6s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 980 SDtfs, 1218 SDslu, 2166 SDs, 0 SdLazy, 315 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=361occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1554 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 20276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...