/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:10:30,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:10:30,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:10:30,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:10:30,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:10:30,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:10:30,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:10:30,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:10:30,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:10:30,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:10:30,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:10:30,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:10:30,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:10:30,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:10:30,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:10:30,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:10:30,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:10:30,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:10:30,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:10:30,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:10:30,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:10:30,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:10:30,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:10:30,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:10:30,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:10:30,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:10:30,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:10:30,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:10:30,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:10:30,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:10:30,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:10:30,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:10:30,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:10:30,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:10:30,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:10:30,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:10:30,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:10:30,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:10:30,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:10:30,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:10:30,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:10:30,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:10:30,739 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:10:30,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:10:30,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:10:30,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:10:30,741 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:10:30,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:10:30,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:10:30,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:10:30,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:10:30,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:10:30,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:10:30,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:10:30,743 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:10:30,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:10:30,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:10:30,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:10:30,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:10:30,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:10:30,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:10:30,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:10:30,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:10:30,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:10:30,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:10:30,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:10:30,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:10:30,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:10:31,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:10:31,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:10:31,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:10:31,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:10:31,253 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:10:31,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-01-06 19:10:31,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6362af7b8/b0afcb7050b74b61a0f72f74936e09a3/FLAG722f33d70 [2021-01-06 19:10:32,113 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:10:32,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-01-06 19:10:32,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6362af7b8/b0afcb7050b74b61a0f72f74936e09a3/FLAG722f33d70 [2021-01-06 19:10:32,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6362af7b8/b0afcb7050b74b61a0f72f74936e09a3 [2021-01-06 19:10:32,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:10:32,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:10:32,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:10:32,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:10:32,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:10:32,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:10:32" (1/1) ... [2021-01-06 19:10:32,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c49ff04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:32, skipping insertion in model container [2021-01-06 19:10:32,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:10:32" (1/1) ... [2021-01-06 19:10:32,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:10:32,454 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] 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[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~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[~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~2,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] [2021-01-06 19:10:32,744 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[6695,6708] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] 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~11,] [2021-01-06 19:10:32,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:10:32,942 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] 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[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~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[~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~2,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] [2021-01-06 19:10:33,032 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[6695,6708] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] 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~11,] [2021-01-06 19:10:33,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:10:33,178 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:10:33,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33 WrapperNode [2021-01-06 19:10:33,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:10:33,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:10:33,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:10:33,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:10:33,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (1/1) ... [2021-01-06 19:10:33,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (1/1) ... [2021-01-06 19:10:33,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:10:33,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:10:33,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:10:33,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:10:33,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (1/1) ... [2021-01-06 19:10:33,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (1/1) ... [2021-01-06 19:10:33,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (1/1) ... [2021-01-06 19:10:33,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (1/1) ... [2021-01-06 19:10:33,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (1/1) ... [2021-01-06 19:10:33,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (1/1) ... [2021-01-06 19:10:33,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (1/1) ... [2021-01-06 19:10:33,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:10:33,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:10:33,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:10:33,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:10:33,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:10:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:10:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:10:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:10:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:10:34,809 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:10:34,809 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-01-06 19:10:34,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:10:34 BoogieIcfgContainer [2021-01-06 19:10:34,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:10:34,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:10:34,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:10:34,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:10:34,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:10:32" (1/3) ... [2021-01-06 19:10:34,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1403233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:10:34, skipping insertion in model container [2021-01-06 19:10:34,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:33" (2/3) ... [2021-01-06 19:10:34,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1403233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:10:34, skipping insertion in model container [2021-01-06 19:10:34,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:10:34" (3/3) ... [2021-01-06 19:10:34,820 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2021-01-06 19:10:34,827 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:10:34,832 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:10:34,851 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:10:34,878 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:10:34,878 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:10:34,878 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:10:34,878 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:10:34,879 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:10:34,879 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:10:34,879 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:10:34,879 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:10:34,897 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2021-01-06 19:10:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 19:10:34,904 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:34,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:34,905 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:34,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:34,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1027746333, now seen corresponding path program 1 times [2021-01-06 19:10:34,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:34,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489018181] [2021-01-06 19:10:34,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:35,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489018181] [2021-01-06 19:10:35,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:35,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:10:35,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062636719] [2021-01-06 19:10:35,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:10:35,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:35,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:10:35,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:10:35,245 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2021-01-06 19:10:35,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:35,316 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2021-01-06 19:10:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:10:35,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-01-06 19:10:35,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:35,351 INFO L225 Difference]: With dead ends: 252 [2021-01-06 19:10:35,352 INFO L226 Difference]: Without dead ends: 125 [2021-01-06 19:10:35,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:10:35,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-01-06 19:10:35,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-01-06 19:10:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2021-01-06 19:10:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2021-01-06 19:10:35,425 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2021-01-06 19:10:35,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:35,427 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2021-01-06 19:10:35,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:10:35,428 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2021-01-06 19:10:35,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 19:10:35,430 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:35,430 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:35,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:10:35,432 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:35,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:35,434 INFO L82 PathProgramCache]: Analyzing trace with hash -2074503230, now seen corresponding path program 1 times [2021-01-06 19:10:35,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:35,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340344047] [2021-01-06 19:10:35,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:35,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340344047] [2021-01-06 19:10:35,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:35,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:10:35,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110946200] [2021-01-06 19:10:35,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:10:35,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:35,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:10:35,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:35,634 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2021-01-06 19:10:35,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:35,646 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2021-01-06 19:10:35,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:10:35,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 19:10:35,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:35,649 INFO L225 Difference]: With dead ends: 125 [2021-01-06 19:10:35,649 INFO L226 Difference]: Without dead ends: 51 [2021-01-06 19:10:35,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:35,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-01-06 19:10:35,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-01-06 19:10:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-01-06 19:10:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-01-06 19:10:35,658 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2021-01-06 19:10:35,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:35,659 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-01-06 19:10:35,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:10:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-01-06 19:10:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 19:10:35,660 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:35,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:35,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:10:35,661 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:35,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:35,662 INFO L82 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2021-01-06 19:10:35,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:35,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120547834] [2021-01-06 19:10:35,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:35,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120547834] [2021-01-06 19:10:35,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:35,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:10:35,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288845168] [2021-01-06 19:10:35,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:35,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:35,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:35,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:35,805 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 5 states. [2021-01-06 19:10:35,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:35,902 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2021-01-06 19:10:35,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:10:35,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-01-06 19:10:35,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:35,904 INFO L225 Difference]: With dead ends: 96 [2021-01-06 19:10:35,904 INFO L226 Difference]: Without dead ends: 51 [2021-01-06 19:10:35,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:10:35,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-01-06 19:10:35,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-01-06 19:10:35,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-01-06 19:10:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-01-06 19:10:35,912 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2021-01-06 19:10:35,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:35,913 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-01-06 19:10:35,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:10:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-01-06 19:10:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:10:35,914 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:35,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:35,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:10:35,915 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:35,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:35,916 INFO L82 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2021-01-06 19:10:35,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:35,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747972330] [2021-01-06 19:10:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:35,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747972330] [2021-01-06 19:10:35,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:35,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:10:35,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432090481] [2021-01-06 19:10:35,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:10:35,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:35,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:10:35,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:35,985 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2021-01-06 19:10:36,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:36,041 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2021-01-06 19:10:36,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:10:36,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:10:36,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:36,048 INFO L225 Difference]: With dead ends: 117 [2021-01-06 19:10:36,048 INFO L226 Difference]: Without dead ends: 72 [2021-01-06 19:10:36,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:36,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-01-06 19:10:36,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-01-06 19:10:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-01-06 19:10:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2021-01-06 19:10:36,069 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2021-01-06 19:10:36,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:36,069 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2021-01-06 19:10:36,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:10:36,069 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2021-01-06 19:10:36,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-01-06 19:10:36,073 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:36,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:36,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:10:36,074 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:36,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:36,075 INFO L82 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2021-01-06 19:10:36,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:36,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568947689] [2021-01-06 19:10:36,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:36,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568947689] [2021-01-06 19:10:36,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:36,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:10:36,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497334794] [2021-01-06 19:10:36,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:36,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:36,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:36,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:36,185 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2021-01-06 19:10:36,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:36,367 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2021-01-06 19:10:36,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:10:36,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-01-06 19:10:36,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:36,371 INFO L225 Difference]: With dead ends: 335 [2021-01-06 19:10:36,371 INFO L226 Difference]: Without dead ends: 271 [2021-01-06 19:10:36,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:10:36,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-01-06 19:10:36,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2021-01-06 19:10:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-01-06 19:10:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2021-01-06 19:10:36,403 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2021-01-06 19:10:36,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:36,403 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2021-01-06 19:10:36,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:10:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2021-01-06 19:10:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:10:36,406 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:36,406 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:36,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:10:36,407 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:36,407 INFO L82 PathProgramCache]: Analyzing trace with hash 264481218, now seen corresponding path program 1 times [2021-01-06 19:10:36,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:36,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886762909] [2021-01-06 19:10:36,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:36,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886762909] [2021-01-06 19:10:36,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:36,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:10:36,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885680594] [2021-01-06 19:10:36,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:36,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:36,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:36,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:36,546 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2021-01-06 19:10:36,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:36,735 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2021-01-06 19:10:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:10:36,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-01-06 19:10:36,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:36,738 INFO L225 Difference]: With dead ends: 366 [2021-01-06 19:10:36,739 INFO L226 Difference]: Without dead ends: 364 [2021-01-06 19:10:36,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:10:36,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-01-06 19:10:36,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2021-01-06 19:10:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-01-06 19:10:36,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2021-01-06 19:10:36,761 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2021-01-06 19:10:36,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:36,762 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2021-01-06 19:10:36,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:10:36,762 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2021-01-06 19:10:36,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:10:36,764 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:36,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:36,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:10:36,764 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:36,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:36,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1178247995, now seen corresponding path program 1 times [2021-01-06 19:10:36,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:36,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004263745] [2021-01-06 19:10:36,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:36,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:36,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004263745] [2021-01-06 19:10:36,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:36,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:10:36,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573195691] [2021-01-06 19:10:36,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:36,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:36,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:36,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:36,836 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2021-01-06 19:10:36,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:36,962 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2021-01-06 19:10:36,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:10:36,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-01-06 19:10:36,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:36,966 INFO L225 Difference]: With dead ends: 336 [2021-01-06 19:10:36,966 INFO L226 Difference]: Without dead ends: 214 [2021-01-06 19:10:36,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:10:36,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-01-06 19:10:37,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2021-01-06 19:10:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-01-06 19:10:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2021-01-06 19:10:37,002 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2021-01-06 19:10:37,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:37,002 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2021-01-06 19:10:37,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:10:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2021-01-06 19:10:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:10:37,008 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:37,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:37,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:10:37,008 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:37,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:37,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1765054009, now seen corresponding path program 1 times [2021-01-06 19:10:37,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:37,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478136612] [2021-01-06 19:10:37,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:37,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:37,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478136612] [2021-01-06 19:10:37,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:37,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:10:37,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144405808] [2021-01-06 19:10:37,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:10:37,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:37,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:10:37,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:10:37,103 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2021-01-06 19:10:37,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:37,168 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2021-01-06 19:10:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:10:37,169 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-01-06 19:10:37,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:37,171 INFO L225 Difference]: With dead ends: 332 [2021-01-06 19:10:37,171 INFO L226 Difference]: Without dead ends: 198 [2021-01-06 19:10:37,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:37,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-01-06 19:10:37,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2021-01-06 19:10:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-01-06 19:10:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2021-01-06 19:10:37,187 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2021-01-06 19:10:37,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:37,187 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2021-01-06 19:10:37,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:10:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2021-01-06 19:10:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:10:37,188 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:37,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:37,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:10:37,189 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:37,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:37,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1250049609, now seen corresponding path program 1 times [2021-01-06 19:10:37,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:37,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273666573] [2021-01-06 19:10:37,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:37,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273666573] [2021-01-06 19:10:37,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:37,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:10:37,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000001031] [2021-01-06 19:10:37,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:10:37,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:37,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:10:37,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:37,238 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2021-01-06 19:10:37,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:37,279 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2021-01-06 19:10:37,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:10:37,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-01-06 19:10:37,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:37,282 INFO L225 Difference]: With dead ends: 340 [2021-01-06 19:10:37,282 INFO L226 Difference]: Without dead ends: 198 [2021-01-06 19:10:37,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:37,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-01-06 19:10:37,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-01-06 19:10:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2021-01-06 19:10:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2021-01-06 19:10:37,302 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2021-01-06 19:10:37,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:37,302 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2021-01-06 19:10:37,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:10:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2021-01-06 19:10:37,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 19:10:37,303 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:37,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:37,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:10:37,304 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:37,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:37,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2021-01-06 19:10:37,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:37,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363198910] [2021-01-06 19:10:37,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:10:37,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363198910] [2021-01-06 19:10:37,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:37,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:10:37,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194369715] [2021-01-06 19:10:37,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:10:37,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:37,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:10:37,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:10:37,417 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 6 states. [2021-01-06 19:10:37,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:37,769 INFO L93 Difference]: Finished difference Result 666 states and 866 transitions. [2021-01-06 19:10:37,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 19:10:37,770 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-01-06 19:10:37,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:37,772 INFO L225 Difference]: With dead ends: 666 [2021-01-06 19:10:37,773 INFO L226 Difference]: Without dead ends: 474 [2021-01-06 19:10:37,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-01-06 19:10:37,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2021-01-06 19:10:37,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 198. [2021-01-06 19:10:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2021-01-06 19:10:37,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2021-01-06 19:10:37,797 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2021-01-06 19:10:37,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:37,798 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2021-01-06 19:10:37,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:10:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2021-01-06 19:10:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 19:10:37,799 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:37,799 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:37,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:10:37,800 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:37,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:37,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1889774882, now seen corresponding path program 1 times [2021-01-06 19:10:37,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:37,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891268806] [2021-01-06 19:10:37,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 19:10:37,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891268806] [2021-01-06 19:10:37,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:37,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:10:37,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111239938] [2021-01-06 19:10:37,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:10:37,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:37,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:10:37,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:10:37,899 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 8 states. [2021-01-06 19:10:38,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:38,287 INFO L93 Difference]: Finished difference Result 518 states and 667 transitions. [2021-01-06 19:10:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 19:10:38,288 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2021-01-06 19:10:38,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:38,288 INFO L225 Difference]: With dead ends: 518 [2021-01-06 19:10:38,288 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:10:38,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2021-01-06 19:10:38,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:10:38,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:10:38,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:10:38,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:10:38,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-01-06 19:10:38,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:38,291 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:10:38,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:10:38,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:10:38,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:10:38,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:10:38,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:10:38,531 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 105 [2021-01-06 19:10:38,733 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 105 [2021-01-06 19:10:38,970 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 100 [2021-01-06 19:10:39,246 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 97 [2021-01-06 19:10:39,495 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-01-06 19:10:39,759 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 18 [2021-01-06 19:10:39,998 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 18 [2021-01-06 19:10:40,339 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2021-01-06 19:10:40,679 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 25 [2021-01-06 19:10:40,982 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2021-01-06 19:10:41,305 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2021-01-06 19:10:41,748 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 21 [2021-01-06 19:10:41,968 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 21 [2021-01-06 19:10:42,138 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 18 [2021-01-06 19:10:42,178 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2021-01-06 19:10:42,179 INFO L185 CegarLoopUtils]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4))) [2021-01-06 19:10:42,179 INFO L185 CegarLoopUtils]: At program point L137-1(lines 137 143) the Hoare annotation is: false [2021-01-06 19:10:42,179 INFO L185 CegarLoopUtils]: At program point L137-2(lines 137 143) the Hoare annotation is: false [2021-01-06 19:10:42,180 INFO L185 CegarLoopUtils]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-01-06 19:10:42,180 INFO L189 CegarLoopUtils]: For program point L502(lines 502 506) no Hoare annotation was computed. [2021-01-06 19:10:42,180 INFO L189 CegarLoopUtils]: For program point L502-3(lines 502 506) no Hoare annotation was computed. [2021-01-06 19:10:42,180 INFO L189 CegarLoopUtils]: For program point L502-6(lines 502 506) no Hoare annotation was computed. [2021-01-06 19:10:42,180 INFO L185 CegarLoopUtils]: At program point L337-2(lines 337 351) the Hoare annotation is: false [2021-01-06 19:10:42,180 INFO L189 CegarLoopUtils]: For program point L338(line 338) no Hoare annotation was computed. [2021-01-06 19:10:42,180 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2021-01-06 19:10:42,181 INFO L189 CegarLoopUtils]: For program point L307(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,181 INFO L189 CegarLoopUtils]: For program point L307-2(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,181 INFO L189 CegarLoopUtils]: For program point L307-3(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,181 INFO L189 CegarLoopUtils]: For program point L307-5(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,181 INFO L189 CegarLoopUtils]: For program point L307-6(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,181 INFO L189 CegarLoopUtils]: For program point L307-8(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,181 INFO L189 CegarLoopUtils]: For program point L307-9(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,181 INFO L189 CegarLoopUtils]: For program point L307-11(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,182 INFO L189 CegarLoopUtils]: For program point L307-12(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,182 INFO L189 CegarLoopUtils]: For program point L307-14(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,182 INFO L189 CegarLoopUtils]: For program point L307-15(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,182 INFO L189 CegarLoopUtils]: For program point L307-17(lines 307 311) no Hoare annotation was computed. [2021-01-06 19:10:42,182 INFO L185 CegarLoopUtils]: At program point L539(lines 534 542) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3))) [2021-01-06 19:10:42,182 INFO L185 CegarLoopUtils]: At program point L539-1(lines 534 542) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:10:42,183 INFO L185 CegarLoopUtils]: At program point L539-2(lines 534 542) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-01-06 19:10:42,183 INFO L185 CegarLoopUtils]: At program point L539-3(lines 534 542) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3))) [2021-01-06 19:10:42,183 INFO L185 CegarLoopUtils]: At program point L539-4(lines 534 542) the Hoare annotation is: false [2021-01-06 19:10:42,183 INFO L185 CegarLoopUtils]: At program point L539-5(lines 534 542) the Hoare annotation is: false [2021-01-06 19:10:42,183 INFO L185 CegarLoopUtils]: At program point L539-6(lines 534 542) the Hoare annotation is: false [2021-01-06 19:10:42,184 INFO L189 CegarLoopUtils]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-01-06 19:10:42,184 INFO L185 CegarLoopUtils]: At program point L539-7(lines 534 542) the Hoare annotation is: false [2021-01-06 19:10:42,184 INFO L189 CegarLoopUtils]: For program point L341-1(lines 130 136) no Hoare annotation was computed. [2021-01-06 19:10:42,184 INFO L185 CegarLoopUtils]: At program point L539-8(lines 534 542) the Hoare annotation is: false [2021-01-06 19:10:42,184 INFO L185 CegarLoopUtils]: At program point L539-9(lines 534 542) the Hoare annotation is: false [2021-01-06 19:10:42,184 INFO L185 CegarLoopUtils]: At program point L539-10(lines 534 542) the Hoare annotation is: false [2021-01-06 19:10:42,184 INFO L185 CegarLoopUtils]: At program point L539-11(lines 534 542) the Hoare annotation is: false [2021-01-06 19:10:42,184 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-01-06 19:10:42,185 INFO L185 CegarLoopUtils]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2021-01-06 19:10:42,185 INFO L189 CegarLoopUtils]: For program point L477(lines 477 490) no Hoare annotation was computed. [2021-01-06 19:10:42,185 INFO L185 CegarLoopUtils]: At program point L477-1(lines 1 954) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse5 .cse3 .cse4))) [2021-01-06 19:10:42,185 INFO L189 CegarLoopUtils]: For program point L411(lines 411 418) no Hoare annotation was computed. [2021-01-06 19:10:42,185 INFO L189 CegarLoopUtils]: For program point L477-2(lines 477 490) no Hoare annotation was computed. [2021-01-06 19:10:42,185 INFO L185 CegarLoopUtils]: At program point L477-3(lines 1 954) the Hoare annotation is: false [2021-01-06 19:10:42,186 INFO L192 CegarLoopUtils]: At program point L411-1(lines 411 418) the Hoare annotation is: true [2021-01-06 19:10:42,186 INFO L189 CegarLoopUtils]: For program point L477-4(lines 477 490) no Hoare annotation was computed. [2021-01-06 19:10:42,186 INFO L185 CegarLoopUtils]: At program point L477-5(lines 1 954) the Hoare annotation is: false [2021-01-06 19:10:42,186 INFO L185 CegarLoopUtils]: At program point L313(lines 298 316) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:10:42,186 INFO L185 CegarLoopUtils]: At program point L313-1(lines 298 316) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-01-06 19:10:42,187 INFO L185 CegarLoopUtils]: At program point L313-2(lines 298 316) the Hoare annotation is: false [2021-01-06 19:10:42,187 INFO L185 CegarLoopUtils]: At program point L313-3(lines 298 316) the Hoare annotation is: false [2021-01-06 19:10:42,187 INFO L185 CegarLoopUtils]: At program point L313-4(lines 298 316) the Hoare annotation is: false [2021-01-06 19:10:42,187 INFO L185 CegarLoopUtils]: At program point L313-5(lines 298 316) the Hoare annotation is: false [2021-01-06 19:10:42,187 INFO L189 CegarLoopUtils]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-01-06 19:10:42,187 INFO L189 CegarLoopUtils]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2021-01-06 19:10:42,187 INFO L189 CegarLoopUtils]: For program point L579-2(lines 579 585) no Hoare annotation was computed. [2021-01-06 19:10:42,187 INFO L189 CegarLoopUtils]: For program point L579-3(lines 579 585) no Hoare annotation was computed. [2021-01-06 19:10:42,188 INFO L185 CegarLoopUtils]: At program point L447(lines 1 954) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-01-06 19:10:42,188 INFO L189 CegarLoopUtils]: For program point L579-4(lines 579 585) no Hoare annotation was computed. [2021-01-06 19:10:42,188 INFO L189 CegarLoopUtils]: For program point L579-5(lines 579 585) no Hoare annotation was computed. [2021-01-06 19:10:42,188 INFO L185 CegarLoopUtils]: At program point L249(lines 242 252) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse0 .cse1 .cse2 .cse3))) [2021-01-06 19:10:42,188 INFO L185 CegarLoopUtils]: At program point L249-1(lines 242 252) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:10:42,189 INFO L185 CegarLoopUtils]: At program point L249-2(lines 242 252) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4))) [2021-01-06 19:10:42,189 INFO L185 CegarLoopUtils]: At program point L249-3(lines 242 252) the Hoare annotation is: false [2021-01-06 19:10:42,189 INFO L185 CegarLoopUtils]: At program point L249-4(lines 242 252) the Hoare annotation is: false [2021-01-06 19:10:42,189 INFO L185 CegarLoopUtils]: At program point L249-5(lines 242 252) the Hoare annotation is: false [2021-01-06 19:10:42,189 INFO L185 CegarLoopUtils]: At program point L249-6(lines 242 252) the Hoare annotation is: false [2021-01-06 19:10:42,189 INFO L185 CegarLoopUtils]: At program point L249-7(lines 242 252) the Hoare annotation is: false [2021-01-06 19:10:42,190 INFO L185 CegarLoopUtils]: At program point L249-8(lines 242 252) the Hoare annotation is: false [2021-01-06 19:10:42,190 INFO L189 CegarLoopUtils]: For program point L514(lines 514 518) no Hoare annotation was computed. [2021-01-06 19:10:42,190 INFO L189 CegarLoopUtils]: For program point L481(lines 481 487) no Hoare annotation was computed. [2021-01-06 19:10:42,190 INFO L189 CegarLoopUtils]: For program point L481-2(lines 481 487) no Hoare annotation was computed. [2021-01-06 19:10:42,190 INFO L189 CegarLoopUtils]: For program point L481-4(lines 481 487) no Hoare annotation was computed. [2021-01-06 19:10:42,190 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:10:42,190 INFO L189 CegarLoopUtils]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-01-06 19:10:42,191 INFO L185 CegarLoopUtils]: At program point L385(lines 381 387) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:10:42,191 INFO L185 CegarLoopUtils]: At program point L584(lines 575 588) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:10:42,191 INFO L185 CegarLoopUtils]: At program point L584-1(lines 575 588) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-01-06 19:10:42,191 INFO L185 CegarLoopUtils]: At program point L584-2(lines 575 588) the Hoare annotation is: false [2021-01-06 19:10:42,191 INFO L185 CegarLoopUtils]: At program point L584-3(lines 575 588) the Hoare annotation is: false [2021-01-06 19:10:42,191 INFO L185 CegarLoopUtils]: At program point L584-4(lines 575 588) the Hoare annotation is: false [2021-01-06 19:10:42,192 INFO L185 CegarLoopUtils]: At program point L584-5(lines 575 588) the Hoare annotation is: false [2021-01-06 19:10:42,192 INFO L189 CegarLoopUtils]: For program point L188(lines 188 205) no Hoare annotation was computed. [2021-01-06 19:10:42,192 INFO L189 CegarLoopUtils]: For program point L188-1(lines 188 205) no Hoare annotation was computed. [2021-01-06 19:10:42,192 INFO L189 CegarLoopUtils]: For program point L188-2(lines 188 205) no Hoare annotation was computed. [2021-01-06 19:10:42,192 INFO L192 CegarLoopUtils]: At program point L420(lines 401 423) the Hoare annotation is: true [2021-01-06 19:10:42,192 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:10:42,192 INFO L189 CegarLoopUtils]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-01-06 19:10:42,193 INFO L185 CegarLoopUtils]: At program point L455(lines 450 458) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:10:42,193 INFO L189 CegarLoopUtils]: For program point L224(lines 224 230) no Hoare annotation was computed. [2021-01-06 19:10:42,193 INFO L189 CegarLoopUtils]: For program point L224-2(lines 224 230) no Hoare annotation was computed. [2021-01-06 19:10:42,193 INFO L189 CegarLoopUtils]: For program point L224-4(lines 224 230) no Hoare annotation was computed. [2021-01-06 19:10:42,193 INFO L189 CegarLoopUtils]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-01-06 19:10:42,193 INFO L189 CegarLoopUtils]: For program point L224-6(lines 224 230) no Hoare annotation was computed. [2021-01-06 19:10:42,193 INFO L189 CegarLoopUtils]: For program point L224-8(lines 224 230) no Hoare annotation was computed. [2021-01-06 19:10:42,193 INFO L189 CegarLoopUtils]: For program point L224-10(lines 224 230) no Hoare annotation was computed. [2021-01-06 19:10:42,194 INFO L185 CegarLoopUtils]: At program point L258(lines 253 261) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:10:42,194 INFO L185 CegarLoopUtils]: At program point L258-1(lines 253 261) the Hoare annotation is: false [2021-01-06 19:10:42,194 INFO L189 CegarLoopUtils]: For program point L192(lines 192 200) no Hoare annotation was computed. [2021-01-06 19:10:42,194 INFO L185 CegarLoopUtils]: At program point L258-2(lines 253 261) the Hoare annotation is: false [2021-01-06 19:10:42,194 INFO L189 CegarLoopUtils]: For program point L192-1(lines 192 200) no Hoare annotation was computed. [2021-01-06 19:10:42,194 INFO L189 CegarLoopUtils]: For program point L192-2(lines 192 200) no Hoare annotation was computed. [2021-01-06 19:10:42,194 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:10:42,195 INFO L189 CegarLoopUtils]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-01-06 19:10:42,195 INFO L185 CegarLoopUtils]: At program point L95-2(lines 130 136) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2021-01-06 19:10:42,195 INFO L189 CegarLoopUtils]: For program point L162(lines 162 179) no Hoare annotation was computed. [2021-01-06 19:10:42,195 INFO L189 CegarLoopUtils]: For program point L162-1(lines 162 179) no Hoare annotation was computed. [2021-01-06 19:10:42,195 INFO L189 CegarLoopUtils]: For program point L162-2(lines 162 179) no Hoare annotation was computed. [2021-01-06 19:10:42,195 INFO L189 CegarLoopUtils]: For program point L162-3(lines 162 179) no Hoare annotation was computed. [2021-01-06 19:10:42,196 INFO L189 CegarLoopUtils]: For program point L162-4(lines 162 179) no Hoare annotation was computed. [2021-01-06 19:10:42,196 INFO L189 CegarLoopUtils]: For program point L162-5(lines 162 179) no Hoare annotation was computed. [2021-01-06 19:10:42,196 INFO L189 CegarLoopUtils]: For program point L526(lines 526 530) no Hoare annotation was computed. [2021-01-06 19:10:42,196 INFO L185 CegarLoopUtils]: At program point L130(lines 129 148) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2021-01-06 19:10:42,196 INFO L189 CegarLoopUtils]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2021-01-06 19:10:42,196 INFO L185 CegarLoopUtils]: At program point L130-2(lines 129 148) the Hoare annotation is: false [2021-01-06 19:10:42,196 INFO L185 CegarLoopUtils]: At program point L130-3(lines 129 148) the Hoare annotation is: false [2021-01-06 19:10:42,197 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:10:42,197 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2021-01-06 19:10:42,197 INFO L189 CegarLoopUtils]: For program point L166(lines 166 174) no Hoare annotation was computed. [2021-01-06 19:10:42,197 INFO L189 CegarLoopUtils]: For program point L166-1(lines 166 174) no Hoare annotation was computed. [2021-01-06 19:10:42,197 INFO L189 CegarLoopUtils]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2021-01-06 19:10:42,197 INFO L189 CegarLoopUtils]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-01-06 19:10:42,197 INFO L189 CegarLoopUtils]: For program point L166-3(lines 166 174) no Hoare annotation was computed. [2021-01-06 19:10:42,198 INFO L185 CegarLoopUtils]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse5 .cse3 .cse4))) [2021-01-06 19:10:42,198 INFO L189 CegarLoopUtils]: For program point L166-4(lines 166 174) no Hoare annotation was computed. [2021-01-06 19:10:42,198 INFO L189 CegarLoopUtils]: For program point L166-5(lines 166 174) no Hoare annotation was computed. [2021-01-06 19:10:42,198 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2021-01-06 19:10:42,198 INFO L189 CegarLoopUtils]: For program point L464-1(line 464) no Hoare annotation was computed. [2021-01-06 19:10:42,198 INFO L189 CegarLoopUtils]: For program point L464-2(line 464) no Hoare annotation was computed. [2021-01-06 19:10:42,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:10:42 BoogieIcfgContainer [2021-01-06 19:10:42,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:10:42,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:10:42,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:10:42,235 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:10:42,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:10:34" (3/4) ... [2021-01-06 19:10:42,239 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:10:42,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:10:42,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:10:42,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:10:42,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:10:42,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:10:42,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:10:42,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:10:42,326 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-01-06 19:10:42,326 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2021-01-06 19:10:42,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-01-06 19:10:42,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-01-06 19:10:42,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-01-06 19:10:42,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:10:42,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-01-06 19:10:42,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-01-06 19:10:42,461 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product46.cil.c-witness.graphml [2021-01-06 19:10:42,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:10:42,462 INFO L168 Benchmark]: Toolchain (without parser) took 10107.74 ms. Allocated memory was 152.0 MB in the beginning and 186.6 MB in the end (delta: 34.6 MB). Free memory was 126.0 MB in the beginning and 161.8 MB in the end (delta: -35.8 MB). Peak memory consumption was 105.3 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:42,463 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:10:42,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.05 ms. Allocated memory is still 152.0 MB. Free memory was 125.7 MB in the beginning and 103.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:42,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.47 ms. Allocated memory is still 152.0 MB. Free memory was 103.6 MB in the beginning and 99.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:42,464 INFO L168 Benchmark]: Boogie Preprocessor took 76.81 ms. Allocated memory is still 152.0 MB. Free memory was 99.5 MB in the beginning and 96.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:42,464 INFO L168 Benchmark]: RCFGBuilder took 1405.73 ms. Allocated memory is still 152.0 MB. Free memory was 96.6 MB in the beginning and 93.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 31.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:42,465 INFO L168 Benchmark]: TraceAbstraction took 7421.40 ms. Allocated memory was 152.0 MB in the beginning and 186.6 MB in the end (delta: 34.6 MB). Free memory was 93.2 MB in the beginning and 65.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 74.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:42,465 INFO L168 Benchmark]: Witness Printer took 226.35 ms. Allocated memory is still 186.6 MB. Free memory was 65.1 MB in the beginning and 161.8 MB in the end (delta: -96.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:42,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 822.05 ms. Allocated memory is still 152.0 MB. Free memory was 125.7 MB in the beginning and 103.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 144.47 ms. Allocated memory is still 152.0 MB. Free memory was 103.6 MB in the beginning and 99.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 76.81 ms. Allocated memory is still 152.0 MB. Free memory was 99.5 MB in the beginning and 96.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1405.73 ms. Allocated memory is still 152.0 MB. Free memory was 96.6 MB in the beginning and 93.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 31.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7421.40 ms. Allocated memory was 152.0 MB in the beginning and 186.6 MB in the end (delta: 34.6 MB). Free memory was 93.2 MB in the beginning and 65.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 74.2 MB. Max. memory is 8.0 GB. * Witness Printer took 226.35 ms. Allocated memory is still 186.6 MB. Free memory was 65.1 MB in the beginning and 161.8 MB in the end (delta: -96.7 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: 464]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 464]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 464]: 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1234 SDtfs, 1775 SDslu, 2096 SDs, 0 SdLazy, 353 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 781 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 211 NumberOfFragments, 811 HoareAnnotationTreeSize, 55 FomulaSimplifications, 533256 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 91054 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 18975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...