/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:13:43,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:13:43,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:13:43,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:13:43,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:13:43,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:13:43,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:13:43,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:13:43,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:13:43,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:13:43,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:13:43,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:13:43,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:13:43,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:13:43,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:13:43,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:13:43,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:13:43,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:13:43,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:13:43,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:13:43,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:13:43,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:13:43,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:13:43,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:13:43,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:13:43,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:13:43,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:13:43,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:13:43,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:13:43,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:13:43,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:13:43,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:13:43,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:13:43,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:13:43,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:13:43,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:13:43,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:13:43,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:13:43,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:13:43,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:13:43,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:13:43,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:13:43,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:13:43,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:13:43,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:13:43,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:13:43,793 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:13:43,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:13:43,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:13:43,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:13:43,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:13:43,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:13:43,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:13:43,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:13:43,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:13:43,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:13:43,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:13:43,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:13:43,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:13:43,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:13:43,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:13:43,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:13:43,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:13:43,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:13:43,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:13:43,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:13:43,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:13:43,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:13:44,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:13:44,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:13:44,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:13:44,204 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:13:44,205 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:13:44,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-01-06 19:13:44,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e07444844/ddcea865e56e4b64a28639daa9520257/FLAGc0bd7573a [2021-01-06 19:13:44,921 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:13:44,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-01-06 19:13:44,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e07444844/ddcea865e56e4b64a28639daa9520257/FLAGc0bd7573a [2021-01-06 19:13:45,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e07444844/ddcea865e56e4b64a28639daa9520257 [2021-01-06 19:13:45,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:13:45,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:13:45,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:45,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:13:45,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:13:45,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:45" (1/1) ... [2021-01-06 19:13:45,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3fbf7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:45, skipping insertion in model container [2021-01-06 19:13:45,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:45" (1/1) ... [2021-01-06 19:13:45,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:13:45,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 19:13:45,608 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1281,1294] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] 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~13,] [2021-01-06 19:13:45,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:45,792 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 19:13:45,812 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1281,1294] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] 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~13,] [2021-01-06 19:13:45,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:46,009 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:13:46,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46 WrapperNode [2021-01-06 19:13:46,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:46,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:46,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:13:46,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:13:46,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:46,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:13:46,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:13:46,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:13:46,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... [2021-01-06 19:13:46,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:13:46,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:13:46,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:13:46,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:13:46,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:13:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:13:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:13:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:13:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:13:47,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:13:47,442 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-01-06 19:13:47,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:47 BoogieIcfgContainer [2021-01-06 19:13:47,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:13:47,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:13:47,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:13:47,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:13:47,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:13:45" (1/3) ... [2021-01-06 19:13:47,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1b91b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:47, skipping insertion in model container [2021-01-06 19:13:47,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:46" (2/3) ... [2021-01-06 19:13:47,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1b91b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:47, skipping insertion in model container [2021-01-06 19:13:47,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:47" (3/3) ... [2021-01-06 19:13:47,454 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2021-01-06 19:13:47,460 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:13:47,464 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:13:47,479 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:13:47,504 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:13:47,504 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:13:47,504 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:13:47,505 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:13:47,505 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:13:47,505 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:13:47,505 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:13:47,505 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:13:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2021-01-06 19:13:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 19:13:47,529 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:47,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:47,530 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:47,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:47,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1641629540, now seen corresponding path program 1 times [2021-01-06 19:13:47,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:47,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295784979] [2021-01-06 19:13:47,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:47,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295784979] [2021-01-06 19:13:47,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:47,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:47,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962406567] [2021-01-06 19:13:47,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:13:47,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:47,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:13:47,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:13:47,948 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2021-01-06 19:13:48,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:48,006 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-01-06 19:13:48,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:13:48,008 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-01-06 19:13:48,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:48,029 INFO L225 Difference]: With dead ends: 228 [2021-01-06 19:13:48,029 INFO L226 Difference]: Without dead ends: 113 [2021-01-06 19:13:48,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:13:48,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-01-06 19:13:48,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-01-06 19:13:48,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-01-06 19:13:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-01-06 19:13:48,098 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2021-01-06 19:13:48,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:48,098 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-01-06 19:13:48,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:13:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-01-06 19:13:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 19:13:48,103 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:48,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:48,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:13:48,104 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:48,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:48,105 INFO L82 PathProgramCache]: Analyzing trace with hash 594872643, now seen corresponding path program 1 times [2021-01-06 19:13:48,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:48,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541675015] [2021-01-06 19:13:48,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:48,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541675015] [2021-01-06 19:13:48,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:48,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:13:48,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427015825] [2021-01-06 19:13:48,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:48,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:48,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:48,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:48,294 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2021-01-06 19:13:48,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:48,306 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-01-06 19:13:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:48,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 19:13:48,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:48,307 INFO L225 Difference]: With dead ends: 113 [2021-01-06 19:13:48,308 INFO L226 Difference]: Without dead ends: 47 [2021-01-06 19:13:48,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:48,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-01-06 19:13:48,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-01-06 19:13:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-01-06 19:13:48,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-01-06 19:13:48,325 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2021-01-06 19:13:48,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:48,325 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-01-06 19:13:48,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-01-06 19:13:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 19:13:48,328 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:48,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:48,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:13:48,329 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:48,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:48,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1404483435, now seen corresponding path program 1 times [2021-01-06 19:13:48,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:48,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864151501] [2021-01-06 19:13:48,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:48,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864151501] [2021-01-06 19:13:48,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:48,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:48,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866998691] [2021-01-06 19:13:48,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:48,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:48,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:48,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:48,429 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2021-01-06 19:13:48,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:48,442 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-01-06 19:13:48,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:48,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-01-06 19:13:48,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:48,444 INFO L225 Difference]: With dead ends: 88 [2021-01-06 19:13:48,444 INFO L226 Difference]: Without dead ends: 47 [2021-01-06 19:13:48,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:48,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-01-06 19:13:48,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-01-06 19:13:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-01-06 19:13:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-01-06 19:13:48,451 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2021-01-06 19:13:48,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:48,452 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-01-06 19:13:48,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:48,452 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-01-06 19:13:48,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:13:48,453 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:48,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:48,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:13:48,454 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:48,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:48,455 INFO L82 PathProgramCache]: Analyzing trace with hash -764351347, now seen corresponding path program 1 times [2021-01-06 19:13:48,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:48,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815886914] [2021-01-06 19:13:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:48,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:48,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815886914] [2021-01-06 19:13:48,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:48,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:48,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953949139] [2021-01-06 19:13:48,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:48,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:48,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:48,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:48,524 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-01-06 19:13:48,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:48,585 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2021-01-06 19:13:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:48,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:13:48,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:48,588 INFO L225 Difference]: With dead ends: 109 [2021-01-06 19:13:48,588 INFO L226 Difference]: Without dead ends: 68 [2021-01-06 19:13:48,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:48,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-01-06 19:13:48,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2021-01-06 19:13:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-01-06 19:13:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2021-01-06 19:13:48,606 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2021-01-06 19:13:48,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:48,607 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2021-01-06 19:13:48,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-01-06 19:13:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-01-06 19:13:48,609 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:48,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:48,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:13:48,610 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:48,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:48,610 INFO L82 PathProgramCache]: Analyzing trace with hash -805303330, now seen corresponding path program 1 times [2021-01-06 19:13:48,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:48,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920197733] [2021-01-06 19:13:48,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:48,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920197733] [2021-01-06 19:13:48,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:48,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:48,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385214577] [2021-01-06 19:13:48,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:48,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:48,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:48,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:48,730 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2021-01-06 19:13:48,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:48,851 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2021-01-06 19:13:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:48,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-01-06 19:13:48,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:48,854 INFO L225 Difference]: With dead ends: 175 [2021-01-06 19:13:48,854 INFO L226 Difference]: Without dead ends: 115 [2021-01-06 19:13:48,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:13:48,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-01-06 19:13:48,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2021-01-06 19:13:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-01-06 19:13:48,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2021-01-06 19:13:48,876 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2021-01-06 19:13:48,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:48,877 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2021-01-06 19:13:48,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:48,878 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-01-06 19:13:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-01-06 19:13:48,879 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:48,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:48,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:13:48,880 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:48,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:48,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1857207713, now seen corresponding path program 1 times [2021-01-06 19:13:48,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:48,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327001553] [2021-01-06 19:13:48,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:48,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327001553] [2021-01-06 19:13:48,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:48,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:48,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896876879] [2021-01-06 19:13:48,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:13:48,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:48,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:13:48,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:13:48,978 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 6 states. [2021-01-06 19:13:49,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:49,189 INFO L93 Difference]: Finished difference Result 478 states and 677 transitions. [2021-01-06 19:13:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 19:13:49,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2021-01-06 19:13:49,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:49,193 INFO L225 Difference]: With dead ends: 478 [2021-01-06 19:13:49,193 INFO L226 Difference]: Without dead ends: 412 [2021-01-06 19:13:49,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-01-06 19:13:49,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2021-01-06 19:13:49,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 130. [2021-01-06 19:13:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-01-06 19:13:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 179 transitions. [2021-01-06 19:13:49,232 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 179 transitions. Word has length 30 [2021-01-06 19:13:49,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:49,232 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 179 transitions. [2021-01-06 19:13:49,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:13:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 179 transitions. [2021-01-06 19:13:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:13:49,236 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:49,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:49,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:13:49,237 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:49,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:49,238 INFO L82 PathProgramCache]: Analyzing trace with hash -150608481, now seen corresponding path program 1 times [2021-01-06 19:13:49,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:49,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599993026] [2021-01-06 19:13:49,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:49,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599993026] [2021-01-06 19:13:49,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:49,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:13:49,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036306968] [2021-01-06 19:13:49,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:13:49,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:49,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:13:49,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:13:49,318 INFO L87 Difference]: Start difference. First operand 130 states and 179 transitions. Second operand 4 states. [2021-01-06 19:13:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:49,415 INFO L93 Difference]: Finished difference Result 309 states and 432 transitions. [2021-01-06 19:13:49,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:13:49,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-01-06 19:13:49,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:49,417 INFO L225 Difference]: With dead ends: 309 [2021-01-06 19:13:49,417 INFO L226 Difference]: Without dead ends: 185 [2021-01-06 19:13:49,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:13:49,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-01-06 19:13:49,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 165. [2021-01-06 19:13:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2021-01-06 19:13:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 220 transitions. [2021-01-06 19:13:49,432 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 220 transitions. Word has length 31 [2021-01-06 19:13:49,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:49,433 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 220 transitions. [2021-01-06 19:13:49,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:13:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 220 transitions. [2021-01-06 19:13:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 19:13:49,435 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:49,435 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:49,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:13:49,436 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:49,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:49,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1478686347, now seen corresponding path program 1 times [2021-01-06 19:13:49,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:49,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058284707] [2021-01-06 19:13:49,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 19:13:49,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058284707] [2021-01-06 19:13:49,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:49,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:49,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754654551] [2021-01-06 19:13:49,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:49,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:49,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:49,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:49,495 INFO L87 Difference]: Start difference. First operand 165 states and 220 transitions. Second operand 5 states. [2021-01-06 19:13:49,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:49,555 INFO L93 Difference]: Finished difference Result 365 states and 487 transitions. [2021-01-06 19:13:49,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:49,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 19:13:49,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:49,557 INFO L225 Difference]: With dead ends: 365 [2021-01-06 19:13:49,557 INFO L226 Difference]: Without dead ends: 206 [2021-01-06 19:13:49,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:49,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-01-06 19:13:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 141. [2021-01-06 19:13:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2021-01-06 19:13:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2021-01-06 19:13:49,570 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 184 transitions. Word has length 50 [2021-01-06 19:13:49,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:49,570 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 184 transitions. [2021-01-06 19:13:49,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2021-01-06 19:13:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:13:49,572 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:49,572 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:49,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:13:49,573 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:49,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:49,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1506097615, now seen corresponding path program 1 times [2021-01-06 19:13:49,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:49,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716559926] [2021-01-06 19:13:49,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:13:49,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716559926] [2021-01-06 19:13:49,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:49,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:49,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527919533] [2021-01-06 19:13:49,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:49,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:49,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:49,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:49,638 INFO L87 Difference]: Start difference. First operand 141 states and 184 transitions. Second operand 5 states. [2021-01-06 19:13:49,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:49,696 INFO L93 Difference]: Finished difference Result 467 states and 621 transitions. [2021-01-06 19:13:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:49,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-06 19:13:49,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:49,699 INFO L225 Difference]: With dead ends: 467 [2021-01-06 19:13:49,699 INFO L226 Difference]: Without dead ends: 356 [2021-01-06 19:13:49,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:13:49,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-01-06 19:13:49,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 144. [2021-01-06 19:13:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-01-06 19:13:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 187 transitions. [2021-01-06 19:13:49,715 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 187 transitions. Word has length 51 [2021-01-06 19:13:49,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:49,716 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 187 transitions. [2021-01-06 19:13:49,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:49,716 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 187 transitions. [2021-01-06 19:13:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:13:49,717 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:49,717 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:49,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:13:49,717 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:49,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:49,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1899124625, now seen corresponding path program 1 times [2021-01-06 19:13:49,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:49,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579723340] [2021-01-06 19:13:49,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:13:49,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579723340] [2021-01-06 19:13:49,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:49,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:49,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503194443] [2021-01-06 19:13:49,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:49,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:49,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:49,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:49,780 INFO L87 Difference]: Start difference. First operand 144 states and 187 transitions. Second operand 5 states. [2021-01-06 19:13:49,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:49,897 INFO L93 Difference]: Finished difference Result 368 states and 483 transitions. [2021-01-06 19:13:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:13:49,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-06 19:13:49,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:49,900 INFO L225 Difference]: With dead ends: 368 [2021-01-06 19:13:49,900 INFO L226 Difference]: Without dead ends: 366 [2021-01-06 19:13:49,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:13:49,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-01-06 19:13:49,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 144. [2021-01-06 19:13:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-01-06 19:13:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 186 transitions. [2021-01-06 19:13:49,920 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 186 transitions. Word has length 51 [2021-01-06 19:13:49,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:49,920 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 186 transitions. [2021-01-06 19:13:49,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 186 transitions. [2021-01-06 19:13:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 19:13:49,921 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:49,921 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:49,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:13:49,922 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:49,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:49,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1033530397, now seen corresponding path program 1 times [2021-01-06 19:13:49,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:49,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455928440] [2021-01-06 19:13:49,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:50,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455928440] [2021-01-06 19:13:50,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930558321] [2021-01-06 19:13:50,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:13:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:50,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-06 19:13:50,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:13:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:50,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:13:50,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-01-06 19:13:50,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028123654] [2021-01-06 19:13:50,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:13:50,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:50,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:13:50,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:13:50,315 INFO L87 Difference]: Start difference. First operand 144 states and 186 transitions. Second operand 6 states. [2021-01-06 19:13:50,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:50,517 INFO L93 Difference]: Finished difference Result 445 states and 587 transitions. [2021-01-06 19:13:50,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:13:50,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2021-01-06 19:13:50,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:50,520 INFO L225 Difference]: With dead ends: 445 [2021-01-06 19:13:50,520 INFO L226 Difference]: Without dead ends: 331 [2021-01-06 19:13:50,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:13:50,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-01-06 19:13:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 201. [2021-01-06 19:13:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2021-01-06 19:13:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 262 transitions. [2021-01-06 19:13:50,547 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 262 transitions. Word has length 52 [2021-01-06 19:13:50,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:50,548 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 262 transitions. [2021-01-06 19:13:50,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:13:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 262 transitions. [2021-01-06 19:13:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 19:13:50,549 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:50,549 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:50,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 19:13:50,763 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:50,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:50,764 INFO L82 PathProgramCache]: Analyzing trace with hash 2113506808, now seen corresponding path program 2 times [2021-01-06 19:13:50,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:50,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125637326] [2021-01-06 19:13:50,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:13:50,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125637326] [2021-01-06 19:13:50,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:50,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:50,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244649234] [2021-01-06 19:13:50,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:50,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:50,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:50,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:50,902 INFO L87 Difference]: Start difference. First operand 201 states and 262 transitions. Second operand 5 states. [2021-01-06 19:13:51,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:51,078 INFO L93 Difference]: Finished difference Result 584 states and 775 transitions. [2021-01-06 19:13:51,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:13:51,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-01-06 19:13:51,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:51,081 INFO L225 Difference]: With dead ends: 584 [2021-01-06 19:13:51,081 INFO L226 Difference]: Without dead ends: 412 [2021-01-06 19:13:51,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:13:51,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2021-01-06 19:13:51,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 274. [2021-01-06 19:13:51,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2021-01-06 19:13:51,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 355 transitions. [2021-01-06 19:13:51,120 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 355 transitions. Word has length 73 [2021-01-06 19:13:51,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:51,120 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 355 transitions. [2021-01-06 19:13:51,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:51,121 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 355 transitions. [2021-01-06 19:13:51,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 19:13:51,122 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:51,122 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:51,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:13:51,122 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:51,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:51,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1906700874, now seen corresponding path program 1 times [2021-01-06 19:13:51,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:51,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127314363] [2021-01-06 19:13:51,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:51,224 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-01-06 19:13:51,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127314363] [2021-01-06 19:13:51,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:51,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:51,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310379420] [2021-01-06 19:13:51,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:51,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:51,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:51,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:51,232 INFO L87 Difference]: Start difference. First operand 274 states and 355 transitions. Second operand 5 states. [2021-01-06 19:13:51,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:51,295 INFO L93 Difference]: Finished difference Result 483 states and 625 transitions. [2021-01-06 19:13:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:13:51,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-01-06 19:13:51,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:51,296 INFO L225 Difference]: With dead ends: 483 [2021-01-06 19:13:51,296 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:13:51,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:13:51,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:13:51,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:13:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:13:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:13:51,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-01-06 19:13:51,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:51,299 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:13:51,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:51,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:13:51,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:13:51,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:13:51,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:13:51,564 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 99 [2021-01-06 19:13:51,925 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 99 [2021-01-06 19:13:52,149 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2021-01-06 19:13:52,498 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 96 [2021-01-06 19:13:52,871 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 17 [2021-01-06 19:13:53,216 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 17 [2021-01-06 19:13:53,437 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 16 [2021-01-06 19:13:53,622 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2021-01-06 19:13:53,822 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 18 [2021-01-06 19:13:53,949 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 18 [2021-01-06 19:13:54,230 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 9 [2021-01-06 19:13:54,681 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 21 [2021-01-06 19:13:54,707 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-01-06 19:13:54,708 INFO L189 CegarLoopUtils]: For program point L333(lines 333 350) no Hoare annotation was computed. [2021-01-06 19:13:54,708 INFO L189 CegarLoopUtils]: For program point L333-1(lines 333 350) no Hoare annotation was computed. [2021-01-06 19:13:54,708 INFO L189 CegarLoopUtils]: For program point L333-2(lines 333 350) no Hoare annotation was computed. [2021-01-06 19:13:54,708 INFO L189 CegarLoopUtils]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,708 INFO L189 CegarLoopUtils]: For program point L435-2(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,708 INFO L189 CegarLoopUtils]: For program point L435-3(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,708 INFO L189 CegarLoopUtils]: For program point L435-5(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,708 INFO L189 CegarLoopUtils]: For program point L435-6(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,709 INFO L189 CegarLoopUtils]: For program point L435-8(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,709 INFO L189 CegarLoopUtils]: For program point L435-9(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,709 INFO L189 CegarLoopUtils]: For program point L435-11(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,709 INFO L189 CegarLoopUtils]: For program point L435-12(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,709 INFO L189 CegarLoopUtils]: For program point L435-14(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,709 INFO L189 CegarLoopUtils]: For program point L435-15(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,709 INFO L189 CegarLoopUtils]: For program point L435-17(lines 435 439) no Hoare annotation was computed. [2021-01-06 19:13:54,709 INFO L189 CegarLoopUtils]: For program point L337(lines 337 345) no Hoare annotation was computed. [2021-01-06 19:13:54,710 INFO L189 CegarLoopUtils]: For program point L337-1(lines 337 345) no Hoare annotation was computed. [2021-01-06 19:13:54,710 INFO L189 CegarLoopUtils]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2021-01-06 19:13:54,710 INFO L185 CegarLoopUtils]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2021-01-06 19:13:54,710 INFO L189 CegarLoopUtils]: For program point L505(lines 505 516) no Hoare annotation was computed. [2021-01-06 19:13:54,710 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-01-06 19:13:54,710 INFO L189 CegarLoopUtils]: For program point L307(lines 307 324) no Hoare annotation was computed. [2021-01-06 19:13:54,710 INFO L189 CegarLoopUtils]: For program point L307-1(lines 307 324) no Hoare annotation was computed. [2021-01-06 19:13:54,711 INFO L189 CegarLoopUtils]: For program point L307-2(lines 307 324) no Hoare annotation was computed. [2021-01-06 19:13:54,711 INFO L189 CegarLoopUtils]: For program point L307-3(lines 307 324) no Hoare annotation was computed. [2021-01-06 19:13:54,711 INFO L189 CegarLoopUtils]: For program point L175(line 175) no Hoare annotation was computed. [2021-01-06 19:13:54,711 INFO L189 CegarLoopUtils]: For program point L307-4(lines 307 324) no Hoare annotation was computed. [2021-01-06 19:13:54,711 INFO L189 CegarLoopUtils]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-01-06 19:13:54,711 INFO L189 CegarLoopUtils]: For program point L307-5(lines 307 324) no Hoare annotation was computed. [2021-01-06 19:13:54,711 INFO L189 CegarLoopUtils]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2021-01-06 19:13:54,711 INFO L189 CegarLoopUtils]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2021-01-06 19:13:54,711 INFO L189 CegarLoopUtils]: For program point L142-3(lines 142 148) no Hoare annotation was computed. [2021-01-06 19:13:54,712 INFO L189 CegarLoopUtils]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2021-01-06 19:13:54,712 INFO L189 CegarLoopUtils]: For program point L142-5(lines 142 148) no Hoare annotation was computed. [2021-01-06 19:13:54,712 INFO L185 CegarLoopUtils]: At program point L275(lines 274 293) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-01-06 19:13:54,712 INFO L189 CegarLoopUtils]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2021-01-06 19:13:54,712 INFO L185 CegarLoopUtils]: At program point L275-2(lines 274 293) the Hoare annotation is: false [2021-01-06 19:13:54,712 INFO L185 CegarLoopUtils]: At program point L275-3(lines 274 293) the Hoare annotation is: false [2021-01-06 19:13:54,712 INFO L189 CegarLoopUtils]: For program point L77(lines 77 81) no Hoare annotation was computed. [2021-01-06 19:13:54,713 INFO L189 CegarLoopUtils]: For program point L573(lines 573 586) no Hoare annotation was computed. [2021-01-06 19:13:54,713 INFO L185 CegarLoopUtils]: At program point L573-1(lines 1 955) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-01-06 19:13:54,713 INFO L189 CegarLoopUtils]: For program point L573-2(lines 573 586) no Hoare annotation was computed. [2021-01-06 19:13:54,713 INFO L185 CegarLoopUtils]: At program point L573-3(lines 1 955) the Hoare annotation is: false [2021-01-06 19:13:54,713 INFO L185 CegarLoopUtils]: At program point L441(lines 426 444) the Hoare annotation is: false [2021-01-06 19:13:54,713 INFO L189 CegarLoopUtils]: For program point L573-4(lines 573 586) no Hoare annotation was computed. [2021-01-06 19:13:54,713 INFO L185 CegarLoopUtils]: At program point L441-1(lines 426 444) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-01-06 19:13:54,714 INFO L185 CegarLoopUtils]: At program point L573-5(lines 1 955) the Hoare annotation is: false [2021-01-06 19:13:54,714 INFO L185 CegarLoopUtils]: At program point L441-2(lines 426 444) the Hoare annotation is: false [2021-01-06 19:13:54,714 INFO L185 CegarLoopUtils]: At program point L441-3(lines 426 444) the Hoare annotation is: false [2021-01-06 19:13:54,714 INFO L185 CegarLoopUtils]: At program point L441-4(lines 426 444) the Hoare annotation is: false [2021-01-06 19:13:54,714 INFO L185 CegarLoopUtils]: At program point L441-5(lines 426 444) the Hoare annotation is: false [2021-01-06 19:13:54,714 INFO L189 CegarLoopUtils]: For program point L178(lines 178 182) no Hoare annotation was computed. [2021-01-06 19:13:54,714 INFO L189 CegarLoopUtils]: For program point L178-1(lines 275 281) no Hoare annotation was computed. [2021-01-06 19:13:54,714 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2021-01-06 19:13:54,715 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-01-06 19:13:54,715 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-01-06 19:13:54,715 INFO L189 CegarLoopUtils]: For program point L476(lines 475 520) no Hoare annotation was computed. [2021-01-06 19:13:54,715 INFO L189 CegarLoopUtils]: For program point L311(lines 311 319) no Hoare annotation was computed. [2021-01-06 19:13:54,715 INFO L189 CegarLoopUtils]: For program point L311-1(lines 311 319) no Hoare annotation was computed. [2021-01-06 19:13:54,715 INFO L189 CegarLoopUtils]: For program point L311-2(lines 311 319) no Hoare annotation was computed. [2021-01-06 19:13:54,715 INFO L189 CegarLoopUtils]: For program point L311-3(lines 311 319) no Hoare annotation was computed. [2021-01-06 19:13:54,715 INFO L189 CegarLoopUtils]: For program point L311-4(lines 311 319) no Hoare annotation was computed. [2021-01-06 19:13:54,715 INFO L189 CegarLoopUtils]: For program point L311-5(lines 311 319) no Hoare annotation was computed. [2021-01-06 19:13:54,715 INFO L189 CegarLoopUtils]: For program point L477(lines 477 481) no Hoare annotation was computed. [2021-01-06 19:13:54,716 INFO L185 CegarLoopUtils]: At program point L147(lines 138 151) the Hoare annotation is: false [2021-01-06 19:13:54,716 INFO L185 CegarLoopUtils]: At program point L147-1(lines 138 151) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-01-06 19:13:54,716 INFO L185 CegarLoopUtils]: At program point L147-2(lines 138 151) the Hoare annotation is: false [2021-01-06 19:13:54,716 INFO L185 CegarLoopUtils]: At program point L147-3(lines 138 151) the Hoare annotation is: false [2021-01-06 19:13:54,716 INFO L185 CegarLoopUtils]: At program point L147-4(lines 138 151) the Hoare annotation is: false [2021-01-06 19:13:54,716 INFO L185 CegarLoopUtils]: At program point L147-5(lines 138 151) the Hoare annotation is: false [2021-01-06 19:13:54,717 INFO L189 CegarLoopUtils]: For program point L577(lines 577 583) no Hoare annotation was computed. [2021-01-06 19:13:54,717 INFO L189 CegarLoopUtils]: For program point L511(lines 511 515) no Hoare annotation was computed. [2021-01-06 19:13:54,717 INFO L189 CegarLoopUtils]: For program point L577-2(lines 577 583) no Hoare annotation was computed. [2021-01-06 19:13:54,717 INFO L189 CegarLoopUtils]: For program point L511-2(lines 275 281) no Hoare annotation was computed. [2021-01-06 19:13:54,717 INFO L189 CegarLoopUtils]: For program point L577-4(lines 577 583) no Hoare annotation was computed. [2021-01-06 19:13:54,717 INFO L185 CegarLoopUtils]: At program point L282(lines 282 288) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) .cse1))) [2021-01-06 19:13:54,717 INFO L185 CegarLoopUtils]: At program point L282-1(lines 282 288) the Hoare annotation is: false [2021-01-06 19:13:54,718 INFO L185 CegarLoopUtils]: At program point L282-2(lines 282 288) the Hoare annotation is: false [2021-01-06 19:13:54,718 INFO L189 CegarLoopUtils]: For program point L250(lines 250 257) no Hoare annotation was computed. [2021-01-06 19:13:54,718 INFO L192 CegarLoopUtils]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2021-01-06 19:13:54,718 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:13:54,718 INFO L189 CegarLoopUtils]: For program point L485(lines 485 491) no Hoare annotation was computed. [2021-01-06 19:13:54,718 INFO L185 CegarLoopUtils]: At program point L485-1(lines 485 491) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-01-06 19:13:54,718 INFO L185 CegarLoopUtils]: At program point L386(lines 381 389) the Hoare annotation is: false [2021-01-06 19:13:54,718 INFO L185 CegarLoopUtils]: At program point L386-1(lines 381 389) the Hoare annotation is: false [2021-01-06 19:13:54,718 INFO L185 CegarLoopUtils]: At program point L386-2(lines 381 389) the Hoare annotation is: false [2021-01-06 19:13:54,719 INFO L189 CegarLoopUtils]: For program point L89(lines 89 93) no Hoare annotation was computed. [2021-01-06 19:13:54,719 INFO L185 CegarLoopUtils]: At program point L552(lines 1 955) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:54,719 INFO L189 CegarLoopUtils]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-01-06 19:13:54,719 INFO L189 CegarLoopUtils]: For program point L454-2(lines 454 458) no Hoare annotation was computed. [2021-01-06 19:13:54,719 INFO L189 CegarLoopUtils]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2021-01-06 19:13:54,719 INFO L189 CegarLoopUtils]: For program point L454-5(lines 454 458) no Hoare annotation was computed. [2021-01-06 19:13:54,719 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:13:54,719 INFO L189 CegarLoopUtils]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2021-01-06 19:13:54,720 INFO L185 CegarLoopUtils]: At program point L223(lines 219 225) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:54,720 INFO L189 CegarLoopUtils]: For program point L454-8(lines 454 458) no Hoare annotation was computed. [2021-01-06 19:13:54,720 INFO L185 CegarLoopUtils]: At program point L157(lines 152 160) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-01-06 19:13:54,720 INFO L185 CegarLoopUtils]: At program point L157-1(lines 152 160) the Hoare annotation is: false [2021-01-06 19:13:54,720 INFO L185 CegarLoopUtils]: At program point L157-2(lines 152 160) the Hoare annotation is: false [2021-01-06 19:13:54,720 INFO L185 CegarLoopUtils]: At program point L521(lines 474 522) the Hoare annotation is: false [2021-01-06 19:13:54,720 INFO L192 CegarLoopUtils]: At program point L259(lines 240 262) the Hoare annotation is: true [2021-01-06 19:13:54,720 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:13:54,721 INFO L185 CegarLoopUtils]: At program point L460(lines 445 463) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-01-06 19:13:54,721 INFO L185 CegarLoopUtils]: At program point L460-1(lines 445 463) the Hoare annotation is: false [2021-01-06 19:13:54,721 INFO L185 CegarLoopUtils]: At program point L460-2(lines 445 463) the Hoare annotation is: false [2021-01-06 19:13:54,721 INFO L185 CegarLoopUtils]: At program point L560(lines 555 563) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:54,721 INFO L189 CegarLoopUtils]: For program point L65(lines 65 69) no Hoare annotation was computed. [2021-01-06 19:13:54,721 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:13:54,721 INFO L189 CegarLoopUtils]: For program point L65-3(lines 65 69) no Hoare annotation was computed. [2021-01-06 19:13:54,721 INFO L189 CegarLoopUtils]: For program point L65-6(lines 65 69) no Hoare annotation was computed. [2021-01-06 19:13:54,721 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-01-06 19:13:54,722 INFO L189 CegarLoopUtils]: For program point L495(lines 495 501) no Hoare annotation was computed. [2021-01-06 19:13:54,722 INFO L185 CegarLoopUtils]: At program point L495-1(lines 495 501) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-01-06 19:13:54,722 INFO L185 CegarLoopUtils]: At program point L134(lines 129 137) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2021-01-06 19:13:54,722 INFO L185 CegarLoopUtils]: At program point L134-1(lines 129 137) the Hoare annotation is: false [2021-01-06 19:13:54,722 INFO L185 CegarLoopUtils]: At program point L134-2(lines 129 137) the Hoare annotation is: false [2021-01-06 19:13:54,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:13:54 BoogieIcfgContainer [2021-01-06 19:13:54,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:13:54,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:13:54,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:13:54,747 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:13:54,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:47" (3/4) ... [2021-01-06 19:13:54,751 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:13:54,769 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:13:54,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:13:54,771 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:13:54,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:13:54,773 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:13:54,774 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:13:54,775 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:13:54,801 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result) [2021-01-06 19:13:54,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2021-01-06 19:13:54,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 [2021-01-06 19:13:54,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:54,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp___0 == 1) && tmp == 0) && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 [2021-01-06 19:13:54,807 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && 1 == systemActive) && \result == 0) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:54,882 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product49.cil.c-witness.graphml [2021-01-06 19:13:54,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:13:54,883 INFO L168 Benchmark]: Toolchain (without parser) took 9590.21 ms. Allocated memory was 161.5 MB in the beginning and 249.6 MB in the end (delta: 88.1 MB). Free memory was 135.1 MB in the beginning and 132.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 91.8 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:54,883 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 161.5 MB. Free memory is still 133.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:13:54,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.25 ms. Allocated memory is still 161.5 MB. Free memory was 134.9 MB in the beginning and 113.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:54,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.25 ms. Allocated memory is still 161.5 MB. Free memory was 113.4 MB in the beginning and 110.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:54,885 INFO L168 Benchmark]: Boogie Preprocessor took 121.78 ms. Allocated memory is still 161.5 MB. Free memory was 110.0 MB in the beginning and 142.0 MB in the end (delta: -32.0 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:54,885 INFO L168 Benchmark]: RCFGBuilder took 1214.17 ms. Allocated memory is still 161.5 MB. Free memory was 142.0 MB in the beginning and 80.4 MB in the end (delta: 61.6 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:54,885 INFO L168 Benchmark]: TraceAbstraction took 7299.98 ms. Allocated memory was 161.5 MB in the beginning and 249.6 MB in the end (delta: 88.1 MB). Free memory was 79.8 MB in the beginning and 142.2 MB in the end (delta: -62.3 MB). Peak memory consumption was 86.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:54,886 INFO L168 Benchmark]: Witness Printer took 135.81 ms. Allocated memory is still 249.6 MB. Free memory was 141.6 MB in the beginning and 132.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:54,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 161.5 MB. Free memory is still 133.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 715.25 ms. Allocated memory is still 161.5 MB. Free memory was 134.9 MB in the beginning and 113.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 95.25 ms. Allocated memory is still 161.5 MB. Free memory was 113.4 MB in the beginning and 110.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 121.78 ms. Allocated memory is still 161.5 MB. Free memory was 110.0 MB in the beginning and 142.0 MB in the end (delta: -32.0 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1214.17 ms. Allocated memory is still 161.5 MB. Free memory was 142.0 MB in the beginning and 80.4 MB in the end (delta: 61.6 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7299.98 ms. Allocated memory was 161.5 MB in the beginning and 249.6 MB in the end (delta: 88.1 MB). Free memory was 79.8 MB in the beginning and 142.2 MB in the end (delta: -62.3 MB). Peak memory consumption was 86.2 MB. Max. memory is 8.0 GB. * Witness Printer took 135.81 ms. Allocated memory is still 249.6 MB. Free memory was 141.6 MB in the beginning and 132.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp___0 == 1) && tmp == 0) && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && 1 == systemActive) && \result == 0) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1309 SDtfs, 1985 SDslu, 2095 SDs, 0 SdLazy, 367 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1114 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 115 NumberOfFragments, 308 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1002506 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 42 FomulaSimplificationsInter, 52725 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 572 NumberOfCodeBlocks, 572 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 558 ConstructedInterpolants, 0 QuantifiedInterpolants, 43845 SizeOfPredicates, 3 NumberOfNonLiveVariables, 421 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 162/168 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...