/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:11:38,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:11:38,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:11:38,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:11:38,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:11:38,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:11:38,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:11:38,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:11:38,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:11:38,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:11:38,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:11:38,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:11:38,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:11:38,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:11:38,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:11:38,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:11:38,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:11:38,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:11:38,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:11:38,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:11:38,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:11:38,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:11:38,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:11:38,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:11:38,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:11:38,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:11:38,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:11:38,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:11:38,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:11:38,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:11:38,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:11:38,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:11:38,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:11:38,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:11:38,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:11:38,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:11:38,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:11:38,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:11:38,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:11:38,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:11:38,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:11:38,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:11:38,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:11:38,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:11:38,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:11:38,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:11:38,568 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:11:38,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:11:38,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:11:38,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:11:38,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:11:38,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:11:38,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:11:38,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:11:38,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:11:38,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:11:38,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:11:38,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:11:38,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:11:38,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:11:38,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:11:38,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:11:38,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:11:38,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:11:38,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:11:38,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:11:38,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:11:38,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:11:39,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:11:39,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:11:39,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:11:39,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:11:39,081 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:11:39,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-01-06 19:11:39,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4cb1a8405/12b8705694dd489fae69794b9e70c402/FLAG22591c7a4 [2021-01-06 19:11:39,937 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:11:39,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-01-06 19:11:39,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4cb1a8405/12b8705694dd489fae69794b9e70c402/FLAG22591c7a4 [2021-01-06 19:11:40,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4cb1a8405/12b8705694dd489fae69794b9e70c402 [2021-01-06 19:11:40,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:11:40,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:11:40,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:11:40,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:11:40,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:11:40,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:11:40" (1/1) ... [2021-01-06 19:11:40,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9feda10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:40, skipping insertion in model container [2021-01-06 19:11:40,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:11:40" (1/1) ... [2021-01-06 19:11:40,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:11:40,368 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] 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[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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[~pumpRunning~0,GLOBAL] 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[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] 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~8,] [2021-01-06 19:11:40,748 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[16678,16691] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:11:40,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:11:40,778 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] 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[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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[~pumpRunning~0,GLOBAL] 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[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] 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~8,] [2021-01-06 19:11:40,974 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[16678,16691] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:11:40,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:11:41,048 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:11:41,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41 WrapperNode [2021-01-06 19:11:41,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:11:41,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:11:41,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:11:41,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:11:41,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:11:41,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:11:41,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:11:41,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:11:41,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (1/1) ... [2021-01-06 19:11:41,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:11:41,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:11:41,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:11:41,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:11:41,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:11:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:11:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:11:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:11:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:11:42,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:11:42,556 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-01-06 19:11:42,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:42 BoogieIcfgContainer [2021-01-06 19:11:42,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:11:42,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:11:42,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:11:42,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:11:42,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:11:40" (1/3) ... [2021-01-06 19:11:42,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2777ea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:11:42, skipping insertion in model container [2021-01-06 19:11:42,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:41" (2/3) ... [2021-01-06 19:11:42,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2777ea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:11:42, skipping insertion in model container [2021-01-06 19:11:42,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:42" (3/3) ... [2021-01-06 19:11:42,569 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2021-01-06 19:11:42,576 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:11:42,582 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:11:42,602 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:11:42,630 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:11:42,631 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:11:42,631 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:11:42,631 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:11:42,631 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:11:42,631 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:11:42,632 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:11:42,632 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:11:42,652 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2021-01-06 19:11:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:11:42,659 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:42,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:42,661 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:42,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:42,668 INFO L82 PathProgramCache]: Analyzing trace with hash 114928579, now seen corresponding path program 1 times [2021-01-06 19:11:42,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:42,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664852650] [2021-01-06 19:11:42,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:42,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664852650] [2021-01-06 19:11:42,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:42,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:42,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435208646] [2021-01-06 19:11:42,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:11:42,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:42,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:11:42,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:11:43,000 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2021-01-06 19:11:43,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:43,039 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2021-01-06 19:11:43,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:11:43,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:11:43,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:43,055 INFO L225 Difference]: With dead ends: 227 [2021-01-06 19:11:43,055 INFO L226 Difference]: Without dead ends: 113 [2021-01-06 19:11:43,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:11:43,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-01-06 19:11:43,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-01-06 19:11:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-01-06 19:11:43,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2021-01-06 19:11:43,118 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2021-01-06 19:11:43,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:43,118 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2021-01-06 19:11:43,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:11:43,119 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2021-01-06 19:11:43,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:11:43,120 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:43,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:43,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:11:43,121 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:43,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:43,122 INFO L82 PathProgramCache]: Analyzing trace with hash -483581501, now seen corresponding path program 1 times [2021-01-06 19:11:43,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:43,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482024186] [2021-01-06 19:11:43,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:43,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482024186] [2021-01-06 19:11:43,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:43,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:11:43,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296456811] [2021-01-06 19:11:43,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:43,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:43,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:43,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:43,286 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2021-01-06 19:11:43,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:43,321 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2021-01-06 19:11:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:43,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:11:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:43,324 INFO L225 Difference]: With dead ends: 113 [2021-01-06 19:11:43,324 INFO L226 Difference]: Without dead ends: 49 [2021-01-06 19:11:43,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:43,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-01-06 19:11:43,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-01-06 19:11:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-01-06 19:11:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-01-06 19:11:43,340 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-01-06 19:11:43,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:43,341 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-01-06 19:11:43,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:43,342 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-01-06 19:11:43,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:11:43,345 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:43,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:43,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:11:43,346 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:43,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:43,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2021-01-06 19:11:43,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:43,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226940286] [2021-01-06 19:11:43,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:43,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226940286] [2021-01-06 19:11:43,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:43,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:11:43,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180844814] [2021-01-06 19:11:43,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:43,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:43,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:43,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:43,584 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2021-01-06 19:11:43,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:43,658 INFO L93 Difference]: Finished difference Result 115 states and 171 transitions. [2021-01-06 19:11:43,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:11:43,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-01-06 19:11:43,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:43,660 INFO L225 Difference]: With dead ends: 115 [2021-01-06 19:11:43,660 INFO L226 Difference]: Without dead ends: 73 [2021-01-06 19:11:43,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:11:43,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-01-06 19:11:43,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2021-01-06 19:11:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-01-06 19:11:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2021-01-06 19:11:43,674 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2021-01-06 19:11:43,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:43,675 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2021-01-06 19:11:43,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2021-01-06 19:11:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:11:43,677 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:43,677 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] [2021-01-06 19:11:43,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:11:43,678 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:43,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:43,678 INFO L82 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2021-01-06 19:11:43,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:43,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340564071] [2021-01-06 19:11:43,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:43,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340564071] [2021-01-06 19:11:43,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:43,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:43,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617741596] [2021-01-06 19:11:43,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:43,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:43,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:43,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:43,808 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand 3 states. [2021-01-06 19:11:43,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:43,905 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2021-01-06 19:11:43,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:43,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 19:11:43,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:43,907 INFO L225 Difference]: With dead ends: 153 [2021-01-06 19:11:43,907 INFO L226 Difference]: Without dead ends: 91 [2021-01-06 19:11:43,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:43,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-01-06 19:11:43,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2021-01-06 19:11:43,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-01-06 19:11:43,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2021-01-06 19:11:43,935 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2021-01-06 19:11:43,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:43,935 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2021-01-06 19:11:43,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:43,935 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2021-01-06 19:11:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-06 19:11:43,937 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:43,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:43,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:11:43,941 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:43,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:43,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2021-01-06 19:11:43,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:43,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103735852] [2021-01-06 19:11:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:44,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103735852] [2021-01-06 19:11:44,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:44,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:11:44,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161392521] [2021-01-06 19:11:44,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:44,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:44,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:44,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:44,084 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand 5 states. [2021-01-06 19:11:44,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:44,234 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2021-01-06 19:11:44,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:11:44,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-01-06 19:11:44,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:44,244 INFO L225 Difference]: With dead ends: 420 [2021-01-06 19:11:44,244 INFO L226 Difference]: Without dead ends: 338 [2021-01-06 19:11:44,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:11:44,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-01-06 19:11:44,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2021-01-06 19:11:44,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2021-01-06 19:11:44,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2021-01-06 19:11:44,304 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2021-01-06 19:11:44,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:44,305 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2021-01-06 19:11:44,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2021-01-06 19:11:44,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-01-06 19:11:44,306 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:44,306 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:44,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:11:44,307 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:44,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:44,307 INFO L82 PathProgramCache]: Analyzing trace with hash -343972991, now seen corresponding path program 1 times [2021-01-06 19:11:44,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:44,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006893502] [2021-01-06 19:11:44,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:44,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006893502] [2021-01-06 19:11:44,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:44,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:11:44,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849217553] [2021-01-06 19:11:44,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:44,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:44,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:44,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:44,409 INFO L87 Difference]: Start difference. First operand 160 states and 227 transitions. Second operand 5 states. [2021-01-06 19:11:44,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:44,580 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2021-01-06 19:11:44,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:11:44,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-01-06 19:11:44,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:44,584 INFO L225 Difference]: With dead ends: 589 [2021-01-06 19:11:44,584 INFO L226 Difference]: Without dead ends: 436 [2021-01-06 19:11:44,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:11:44,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-01-06 19:11:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2021-01-06 19:11:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2021-01-06 19:11:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2021-01-06 19:11:44,615 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2021-01-06 19:11:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:44,615 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2021-01-06 19:11:44,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2021-01-06 19:11:44,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:11:44,624 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:44,624 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] [2021-01-06 19:11:44,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:11:44,624 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:44,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:44,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1676975922, now seen corresponding path program 1 times [2021-01-06 19:11:44,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:44,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640026824] [2021-01-06 19:11:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:44,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640026824] [2021-01-06 19:11:44,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:44,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:11:44,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199426968] [2021-01-06 19:11:44,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:44,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:44,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:44,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:44,717 INFO L87 Difference]: Start difference. First operand 158 states and 221 transitions. Second operand 5 states. [2021-01-06 19:11:44,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:44,832 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2021-01-06 19:11:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:11:44,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:11:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:44,835 INFO L225 Difference]: With dead ends: 471 [2021-01-06 19:11:44,835 INFO L226 Difference]: Without dead ends: 320 [2021-01-06 19:11:44,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:11:44,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-01-06 19:11:44,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2021-01-06 19:11:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2021-01-06 19:11:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2021-01-06 19:11:44,856 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2021-01-06 19:11:44,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:44,857 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2021-01-06 19:11:44,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2021-01-06 19:11:44,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:11:44,858 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:44,858 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] [2021-01-06 19:11:44,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:11:44,859 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:44,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash -975911344, now seen corresponding path program 1 times [2021-01-06 19:11:44,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:44,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020652155] [2021-01-06 19:11:44,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:44,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020652155] [2021-01-06 19:11:44,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:44,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:11:44,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093475530] [2021-01-06 19:11:44,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:11:44,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:44,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:11:44,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:11:44,912 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand 4 states. [2021-01-06 19:11:44,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:44,977 INFO L93 Difference]: Finished difference Result 429 states and 585 transitions. [2021-01-06 19:11:44,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:11:44,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-01-06 19:11:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:44,979 INFO L225 Difference]: With dead ends: 429 [2021-01-06 19:11:44,980 INFO L226 Difference]: Without dead ends: 266 [2021-01-06 19:11:44,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:44,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-01-06 19:11:45,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 178. [2021-01-06 19:11:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2021-01-06 19:11:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2021-01-06 19:11:45,001 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2021-01-06 19:11:45,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:45,002 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2021-01-06 19:11:45,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:11:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2021-01-06 19:11:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:11:45,003 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:45,003 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] [2021-01-06 19:11:45,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:11:45,003 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:45,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:45,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1562717358, now seen corresponding path program 1 times [2021-01-06 19:11:45,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:45,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669368782] [2021-01-06 19:11:45,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:45,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:45,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669368782] [2021-01-06 19:11:45,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:45,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:45,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454689085] [2021-01-06 19:11:45,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:45,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:45,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:45,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:45,060 INFO L87 Difference]: Start difference. First operand 178 states and 241 transitions. Second operand 3 states. [2021-01-06 19:11:45,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:45,108 INFO L93 Difference]: Finished difference Result 437 states and 591 transitions. [2021-01-06 19:11:45,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:45,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-01-06 19:11:45,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:45,110 INFO L225 Difference]: With dead ends: 437 [2021-01-06 19:11:45,111 INFO L226 Difference]: Without dead ends: 266 [2021-01-06 19:11:45,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:45,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-01-06 19:11:45,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-01-06 19:11:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2021-01-06 19:11:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 351 transitions. [2021-01-06 19:11:45,142 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 351 transitions. Word has length 33 [2021-01-06 19:11:45,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:45,142 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 351 transitions. [2021-01-06 19:11:45,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 351 transitions. [2021-01-06 19:11:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:11:45,143 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:45,143 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 19:11:45,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:11:45,144 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:45,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:45,144 INFO L82 PathProgramCache]: Analyzing trace with hash 331914770, now seen corresponding path program 1 times [2021-01-06 19:11:45,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:45,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188346626] [2021-01-06 19:11:45,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:45,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188346626] [2021-01-06 19:11:45,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:45,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:11:45,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270905662] [2021-01-06 19:11:45,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:45,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:45,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:45,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:45,195 INFO L87 Difference]: Start difference. First operand 266 states and 351 transitions. Second operand 3 states. [2021-01-06 19:11:45,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:45,256 INFO L93 Difference]: Finished difference Result 381 states and 504 transitions. [2021-01-06 19:11:45,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:45,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-01-06 19:11:45,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:45,259 INFO L225 Difference]: With dead ends: 381 [2021-01-06 19:11:45,260 INFO L226 Difference]: Without dead ends: 379 [2021-01-06 19:11:45,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:45,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2021-01-06 19:11:45,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 310. [2021-01-06 19:11:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2021-01-06 19:11:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 416 transitions. [2021-01-06 19:11:45,296 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 416 transitions. Word has length 34 [2021-01-06 19:11:45,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:45,297 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 416 transitions. [2021-01-06 19:11:45,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 416 transitions. [2021-01-06 19:11:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 19:11:45,298 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:45,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:45,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:11:45,299 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:45,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:45,299 INFO L82 PathProgramCache]: Analyzing trace with hash 351981025, now seen corresponding path program 1 times [2021-01-06 19:11:45,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:45,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522352642] [2021-01-06 19:11:45,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-01-06 19:11:45,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522352642] [2021-01-06 19:11:45,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:45,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:11:45,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12596636] [2021-01-06 19:11:45,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:11:45,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:45,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:11:45,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:11:45,399 INFO L87 Difference]: Start difference. First operand 310 states and 416 transitions. Second operand 6 states. [2021-01-06 19:11:45,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:45,779 INFO L93 Difference]: Finished difference Result 1038 states and 1406 transitions. [2021-01-06 19:11:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 19:11:45,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2021-01-06 19:11:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:45,784 INFO L225 Difference]: With dead ends: 1038 [2021-01-06 19:11:45,784 INFO L226 Difference]: Without dead ends: 735 [2021-01-06 19:11:45,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-01-06 19:11:45,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2021-01-06 19:11:45,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 287. [2021-01-06 19:11:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-01-06 19:11:45,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 377 transitions. [2021-01-06 19:11:45,827 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 377 transitions. Word has length 56 [2021-01-06 19:11:45,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:45,828 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 377 transitions. [2021-01-06 19:11:45,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:11:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 377 transitions. [2021-01-06 19:11:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:11:45,829 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:45,829 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:45,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:11:45,830 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:45,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:45,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1298950968, now seen corresponding path program 1 times [2021-01-06 19:11:45,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:45,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208957129] [2021-01-06 19:11:45,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:45,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208957129] [2021-01-06 19:11:45,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:45,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:11:45,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597948647] [2021-01-06 19:11:45,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:45,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:45,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:45,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:45,904 INFO L87 Difference]: Start difference. First operand 287 states and 377 transitions. Second operand 5 states. [2021-01-06 19:11:46,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:46,065 INFO L93 Difference]: Finished difference Result 467 states and 624 transitions. [2021-01-06 19:11:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:11:46,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-01-06 19:11:46,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:46,068 INFO L225 Difference]: With dead ends: 467 [2021-01-06 19:11:46,068 INFO L226 Difference]: Without dead ends: 275 [2021-01-06 19:11:46,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:11:46,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-01-06 19:11:46,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 271. [2021-01-06 19:11:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2021-01-06 19:11:46,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 347 transitions. [2021-01-06 19:11:46,102 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 347 transitions. Word has length 58 [2021-01-06 19:11:46,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:46,102 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 347 transitions. [2021-01-06 19:11:46,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2021-01-06 19:11:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 19:11:46,103 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:46,104 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:46,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:11:46,104 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:46,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:46,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1158850466, now seen corresponding path program 1 times [2021-01-06 19:11:46,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:46,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899394087] [2021-01-06 19:11:46,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 19:11:46,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899394087] [2021-01-06 19:11:46,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:46,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:11:46,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602806975] [2021-01-06 19:11:46,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:46,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:46,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:46,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:46,194 INFO L87 Difference]: Start difference. First operand 271 states and 347 transitions. Second operand 3 states. [2021-01-06 19:11:46,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:46,317 INFO L93 Difference]: Finished difference Result 527 states and 674 transitions. [2021-01-06 19:11:46,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:46,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 19:11:46,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:46,318 INFO L225 Difference]: With dead ends: 527 [2021-01-06 19:11:46,318 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:11:46,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:46,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:11:46,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:11:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:11:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:11:46,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-01-06 19:11:46,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:46,320 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:11:46,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:46,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:11:46,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:11:46,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:11:46,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:11:46,493 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 104 [2021-01-06 19:11:46,962 WARN L197 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 141 [2021-01-06 19:11:47,111 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 104 [2021-01-06 19:11:47,383 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 84 [2021-01-06 19:11:47,531 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2021-01-06 19:11:47,893 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 140 [2021-01-06 19:11:48,204 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 146 [2021-01-06 19:11:48,544 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 118 [2021-01-06 19:11:48,972 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2021-01-06 19:11:49,107 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-06 19:11:49,754 WARN L197 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 27 [2021-01-06 19:11:50,193 WARN L197 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2021-01-06 19:11:50,394 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2021-01-06 19:11:50,668 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2021-01-06 19:11:50,781 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2021-01-06 19:11:51,234 WARN L197 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 29 [2021-01-06 19:11:51,756 WARN L197 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2021-01-06 19:11:51,943 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2021-01-06 19:11:52,565 WARN L197 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2021-01-06 19:11:53,189 WARN L197 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 33 [2021-01-06 19:11:53,643 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2021-01-06 19:11:53,648 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 831) no Hoare annotation was computed. [2021-01-06 19:11:53,650 INFO L185 CegarLoopUtils]: At program point L267(lines 266 285) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse7 (not .cse9)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse3 .cse5) (and .cse8 .cse0 .cse1 (not .cse2) .cse7 .cse3 .cse5) (and .cse8 .cse0 .cse1 .cse9 .cse2 .cse3 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse5 .cse4)))) [2021-01-06 19:11:53,650 INFO L189 CegarLoopUtils]: For program point L267-1(lines 267 273) no Hoare annotation was computed. [2021-01-06 19:11:53,651 INFO L185 CegarLoopUtils]: At program point L267-2(lines 266 285) the Hoare annotation is: false [2021-01-06 19:11:53,651 INFO L185 CegarLoopUtils]: At program point L267-3(lines 266 285) the Hoare annotation is: false [2021-01-06 19:11:53,652 INFO L185 CegarLoopUtils]: At program point L895(lines 891 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~8 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:11:53,652 INFO L185 CegarLoopUtils]: At program point L433(lines 418 436) the Hoare annotation is: false [2021-01-06 19:11:53,652 INFO L185 CegarLoopUtils]: At program point L433-1(lines 418 436) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 .cse5))) [2021-01-06 19:11:53,652 INFO L185 CegarLoopUtils]: At program point L433-2(lines 418 436) the Hoare annotation is: false [2021-01-06 19:11:53,652 INFO L185 CegarLoopUtils]: At program point L433-3(lines 418 436) the Hoare annotation is: false [2021-01-06 19:11:53,652 INFO L185 CegarLoopUtils]: At program point L433-4(lines 418 436) the Hoare annotation is: false [2021-01-06 19:11:53,652 INFO L185 CegarLoopUtils]: At program point L433-5(lines 418 436) the Hoare annotation is: false [2021-01-06 19:11:53,653 INFO L189 CegarLoopUtils]: For program point L236(lines 236 242) no Hoare annotation was computed. [2021-01-06 19:11:53,653 INFO L185 CegarLoopUtils]: At program point L236-1(lines 267 273) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (let ((.cse6 (not .cse2)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse8 (not .cse9)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse3 .cse5) (and .cse1 .cse7 .cse9 .cse2 .cse3 .cse5) (and .cse10 .cse0 .cse1 .cse6 .cse8 .cse3 .cse5) (and .cse10 .cse0 .cse1 .cse9 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse5 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4 .cse5)))) [2021-01-06 19:11:53,653 INFO L189 CegarLoopUtils]: For program point L831(line 831) no Hoare annotation was computed. [2021-01-06 19:11:53,653 INFO L189 CegarLoopUtils]: For program point L831-1(line 831) no Hoare annotation was computed. [2021-01-06 19:11:53,653 INFO L189 CegarLoopUtils]: For program point L831-2(line 831) no Hoare annotation was computed. [2021-01-06 19:11:53,654 INFO L185 CegarLoopUtils]: At program point L369(lines 362 372) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse2 .cse3 .cse4))) [2021-01-06 19:11:53,654 INFO L185 CegarLoopUtils]: At program point L369-1(lines 362 372) the Hoare annotation is: false [2021-01-06 19:11:53,654 INFO L189 CegarLoopUtils]: For program point L303(lines 303 311) no Hoare annotation was computed. [2021-01-06 19:11:53,655 INFO L185 CegarLoopUtils]: At program point L369-2(lines 362 372) the Hoare annotation is: false [2021-01-06 19:11:53,655 INFO L189 CegarLoopUtils]: For program point L303-1(lines 303 311) no Hoare annotation was computed. [2021-01-06 19:11:53,655 INFO L189 CegarLoopUtils]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2021-01-06 19:11:53,655 INFO L189 CegarLoopUtils]: For program point L303-3(lines 303 311) no Hoare annotation was computed. [2021-01-06 19:11:53,655 INFO L189 CegarLoopUtils]: For program point L303-4(lines 303 311) no Hoare annotation was computed. [2021-01-06 19:11:53,655 INFO L189 CegarLoopUtils]: For program point L303-5(lines 303 311) no Hoare annotation was computed. [2021-01-06 19:11:53,656 INFO L192 CegarLoopUtils]: At program point L931(lines 912 934) the Hoare annotation is: true [2021-01-06 19:11:53,656 INFO L189 CegarLoopUtils]: For program point L173(lines 173 179) no Hoare annotation was computed. [2021-01-06 19:11:53,656 INFO L189 CegarLoopUtils]: For program point L173-1(lines 173 179) no Hoare annotation was computed. [2021-01-06 19:11:53,657 INFO L189 CegarLoopUtils]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2021-01-06 19:11:53,657 INFO L189 CegarLoopUtils]: For program point L173-3(lines 173 179) no Hoare annotation was computed. [2021-01-06 19:11:53,657 INFO L189 CegarLoopUtils]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2021-01-06 19:11:53,659 INFO L189 CegarLoopUtils]: For program point L173-5(lines 173 179) no Hoare annotation was computed. [2021-01-06 19:11:53,659 INFO L185 CegarLoopUtils]: At program point L966(lines 961 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:11:53,659 INFO L189 CegarLoopUtils]: For program point L108(lines 108 112) no Hoare annotation was computed. [2021-01-06 19:11:53,660 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 831) no Hoare annotation was computed. [2021-01-06 19:11:53,660 INFO L185 CegarLoopUtils]: At program point L274(lines 274 280) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4))) [2021-01-06 19:11:53,660 INFO L185 CegarLoopUtils]: At program point L274-1(lines 274 280) the Hoare annotation is: false [2021-01-06 19:11:53,660 INFO L189 CegarLoopUtils]: For program point L208(lines 208 214) no Hoare annotation was computed. [2021-01-06 19:11:53,661 INFO L185 CegarLoopUtils]: At program point L274-2(lines 274 280) the Hoare annotation is: false [2021-01-06 19:11:53,661 INFO L185 CegarLoopUtils]: At program point L208-1(lines 208 214) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 (not .cse3) .cse10 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse2 .cse4 .cse5 .cse6 .cse7))) [2021-01-06 19:11:53,661 INFO L189 CegarLoopUtils]: For program point L441(lines 441 447) no Hoare annotation was computed. [2021-01-06 19:11:53,661 INFO L185 CegarLoopUtils]: At program point L441-1(lines 441 447) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2021-01-06 19:11:53,662 INFO L185 CegarLoopUtils]: At program point L178(lines 169 182) the Hoare annotation is: false [2021-01-06 19:11:53,662 INFO L185 CegarLoopUtils]: At program point L178-1(lines 169 182) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2021-01-06 19:11:53,662 INFO L185 CegarLoopUtils]: At program point L178-2(lines 169 182) the Hoare annotation is: false [2021-01-06 19:11:53,662 INFO L185 CegarLoopUtils]: At program point L178-3(lines 169 182) the Hoare annotation is: false [2021-01-06 19:11:53,662 INFO L185 CegarLoopUtils]: At program point L178-4(lines 169 182) the Hoare annotation is: false [2021-01-06 19:11:53,662 INFO L185 CegarLoopUtils]: At program point L178-5(lines 169 182) the Hoare annotation is: false [2021-01-06 19:11:53,662 INFO L185 CegarLoopUtils]: At program point L378(lines 373 381) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (not .cse3) .cse2 (not (= 0 ~systemActive~0)) .cse4 (= ~methAndRunningLastTime~0 0) .cse5))) [2021-01-06 19:11:53,663 INFO L185 CegarLoopUtils]: At program point L378-1(lines 373 381) the Hoare annotation is: false [2021-01-06 19:11:53,663 INFO L185 CegarLoopUtils]: At program point L378-2(lines 373 381) the Hoare annotation is: false [2021-01-06 19:11:53,663 INFO L185 CegarLoopUtils]: At program point L248(lines 197 249) the Hoare annotation is: false [2021-01-06 19:11:53,663 INFO L185 CegarLoopUtils]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~8 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:11:53,663 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:11:53,663 INFO L189 CegarLoopUtils]: For program point L218(lines 218 224) no Hoare annotation was computed. [2021-01-06 19:11:53,664 INFO L185 CegarLoopUtils]: At program point L218-1(lines 218 224) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0))) (let ((.cse6 (not .cse2)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse8 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse3 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 .cse6 .cse8 .cse3 .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse5 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4 .cse5)))) [2021-01-06 19:11:53,664 INFO L189 CegarLoopUtils]: For program point L120(lines 120 124) no Hoare annotation was computed. [2021-01-06 19:11:53,665 INFO L185 CegarLoopUtils]: At program point L847-2(lines 847 861) the Hoare annotation is: false [2021-01-06 19:11:53,665 INFO L189 CegarLoopUtils]: For program point L848(line 848) no Hoare annotation was computed. [2021-01-06 19:11:53,665 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:11:53,665 INFO L189 CegarLoopUtils]: For program point L851(lines 851 855) no Hoare annotation was computed. [2021-01-06 19:11:53,665 INFO L189 CegarLoopUtils]: For program point L851-1(lines 267 273) no Hoare annotation was computed. [2021-01-06 19:11:53,665 INFO L189 CegarLoopUtils]: For program point L325(lines 325 342) no Hoare annotation was computed. [2021-01-06 19:11:53,665 INFO L189 CegarLoopUtils]: For program point L325-1(lines 325 342) no Hoare annotation was computed. [2021-01-06 19:11:53,665 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 342) no Hoare annotation was computed. [2021-01-06 19:11:53,665 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:11:53,665 INFO L189 CegarLoopUtils]: For program point L62(lines 62 79) no Hoare annotation was computed. [2021-01-06 19:11:53,666 INFO L185 CegarLoopUtils]: At program point L62-1(lines 1 969) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 (not .cse3) .cse10 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse2 .cse4 .cse5 .cse6 .cse7))) [2021-01-06 19:11:53,666 INFO L189 CegarLoopUtils]: For program point L62-2(lines 62 79) no Hoare annotation was computed. [2021-01-06 19:11:53,666 INFO L185 CegarLoopUtils]: At program point L62-3(lines 1 969) the Hoare annotation is: false [2021-01-06 19:11:53,666 INFO L189 CegarLoopUtils]: For program point L62-4(lines 62 79) no Hoare annotation was computed. [2021-01-06 19:11:53,666 INFO L185 CegarLoopUtils]: At program point L62-5(lines 1 969) the Hoare annotation is: false [2021-01-06 19:11:53,666 INFO L189 CegarLoopUtils]: For program point L228(lines 228 243) no Hoare annotation was computed. [2021-01-06 19:11:53,666 INFO L189 CegarLoopUtils]: For program point L96(lines 96 100) no Hoare annotation was computed. [2021-01-06 19:11:53,666 INFO L189 CegarLoopUtils]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2021-01-06 19:11:53,666 INFO L189 CegarLoopUtils]: For program point L922(lines 922 929) no Hoare annotation was computed. [2021-01-06 19:11:53,666 INFO L189 CegarLoopUtils]: For program point L96-6(lines 96 100) no Hoare annotation was computed. [2021-01-06 19:11:53,666 INFO L192 CegarLoopUtils]: At program point L922-1(lines 922 929) the Hoare annotation is: true [2021-01-06 19:11:53,667 INFO L189 CegarLoopUtils]: For program point L427(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,667 INFO L189 CegarLoopUtils]: For program point L427-2(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,667 INFO L189 CegarLoopUtils]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,667 INFO L189 CegarLoopUtils]: For program point L427-5(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,667 INFO L189 CegarLoopUtils]: For program point L427-6(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,667 INFO L189 CegarLoopUtils]: For program point L427-8(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,668 INFO L189 CegarLoopUtils]: For program point L427-9(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,668 INFO L189 CegarLoopUtils]: For program point L427-11(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,668 INFO L189 CegarLoopUtils]: For program point L427-12(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,668 INFO L189 CegarLoopUtils]: For program point L427-14(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,668 INFO L189 CegarLoopUtils]: For program point L427-15(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,668 INFO L189 CegarLoopUtils]: For program point L427-17(lines 427 431) no Hoare annotation was computed. [2021-01-06 19:11:53,668 INFO L189 CegarLoopUtils]: For program point L329(lines 329 337) no Hoare annotation was computed. [2021-01-06 19:11:53,668 INFO L189 CegarLoopUtils]: For program point L329-1(lines 329 337) no Hoare annotation was computed. [2021-01-06 19:11:53,669 INFO L189 CegarLoopUtils]: For program point L329-2(lines 329 337) no Hoare annotation was computed. [2021-01-06 19:11:53,669 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:11:53,669 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 831) no Hoare annotation was computed. [2021-01-06 19:11:53,669 INFO L189 CegarLoopUtils]: For program point L66(lines 66 76) no Hoare annotation was computed. [2021-01-06 19:11:53,669 INFO L189 CegarLoopUtils]: For program point L66-2(lines 66 76) no Hoare annotation was computed. [2021-01-06 19:11:53,669 INFO L185 CegarLoopUtils]: At program point L958(lines 1 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:11:53,669 INFO L189 CegarLoopUtils]: For program point L66-4(lines 66 76) no Hoare annotation was computed. [2021-01-06 19:11:53,669 INFO L189 CegarLoopUtils]: For program point L199(lines 198 247) no Hoare annotation was computed. [2021-01-06 19:11:53,670 INFO L185 CegarLoopUtils]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~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) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4))) [2021-01-06 19:11:53,670 INFO L185 CegarLoopUtils]: At program point L133-1(lines 128 136) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse2 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse8 .cse4 .cse5))) [2021-01-06 19:11:53,671 INFO L189 CegarLoopUtils]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-01-06 19:11:53,671 INFO L185 CegarLoopUtils]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-01-06 19:11:53,671 INFO L185 CegarLoopUtils]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2021-01-06 19:11:53,671 INFO L189 CegarLoopUtils]: For program point L67-2(lines 67 73) no Hoare annotation was computed. [2021-01-06 19:11:53,671 INFO L185 CegarLoopUtils]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2021-01-06 19:11:53,671 INFO L185 CegarLoopUtils]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2021-01-06 19:11:53,671 INFO L189 CegarLoopUtils]: For program point L67-4(lines 67 73) no Hoare annotation was computed. [2021-01-06 19:11:53,671 INFO L189 CegarLoopUtils]: For program point L299(lines 299 316) no Hoare annotation was computed. [2021-01-06 19:11:53,671 INFO L189 CegarLoopUtils]: For program point L299-1(lines 299 316) no Hoare annotation was computed. [2021-01-06 19:11:53,673 INFO L189 CegarLoopUtils]: For program point L299-2(lines 299 316) no Hoare annotation was computed. [2021-01-06 19:11:53,673 INFO L189 CegarLoopUtils]: For program point L200(lines 200 204) no Hoare annotation was computed. [2021-01-06 19:11:53,673 INFO L189 CegarLoopUtils]: For program point L299-3(lines 299 316) no Hoare annotation was computed. [2021-01-06 19:11:53,673 INFO L189 CegarLoopUtils]: For program point L299-4(lines 299 316) no Hoare annotation was computed. [2021-01-06 19:11:53,673 INFO L189 CegarLoopUtils]: For program point L299-5(lines 299 316) no Hoare annotation was computed. [2021-01-06 19:11:53,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:11:53 BoogieIcfgContainer [2021-01-06 19:11:53,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:11:53,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:11:53,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:11:53,722 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:11:53,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:42" (3/4) ... [2021-01-06 19:11:53,726 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:11:53,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:11:53,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:11:53,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:11:53,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:11:53,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:11:53,756 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:11:53,757 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:11:53,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-01-06 19:11:53,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-01-06 19:11:53,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-01-06 19:11:53,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:11:53,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:11:53,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:11:53,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:11:53,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2021-01-06 19:11:53,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:11:53,791 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2021-01-06 19:11:53,792 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:11:53,793 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:11:53,794 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:11:53,794 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:11:53,794 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:11:53,795 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 1 && tmp___0 == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:11:53,897 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product40.cil.c-witness.graphml [2021-01-06 19:11:53,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:11:53,899 INFO L168 Benchmark]: Toolchain (without parser) took 13630.93 ms. Allocated memory was 173.0 MB in the beginning and 332.4 MB in the end (delta: 159.4 MB). Free memory was 147.0 MB in the beginning and 260.5 MB in the end (delta: -113.5 MB). Peak memory consumption was 47.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:53,900 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 173.0 MB. Free memory is still 145.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:11:53,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.27 ms. Allocated memory is still 173.0 MB. Free memory was 146.8 MB in the beginning and 125.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:53,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.11 ms. Allocated memory is still 173.0 MB. Free memory was 125.2 MB in the beginning and 121.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:53,901 INFO L168 Benchmark]: Boogie Preprocessor took 54.90 ms. Allocated memory is still 173.0 MB. Free memory was 121.7 MB in the beginning and 118.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:53,901 INFO L168 Benchmark]: RCFGBuilder took 1334.26 ms. Allocated memory is still 173.0 MB. Free memory was 118.9 MB in the beginning and 92.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:53,902 INFO L168 Benchmark]: TraceAbstraction took 11160.21 ms. Allocated memory was 173.0 MB in the beginning and 332.4 MB in the end (delta: 159.4 MB). Free memory was 91.7 MB in the beginning and 271.0 MB in the end (delta: -179.3 MB). Peak memory consumption was 138.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:53,902 INFO L168 Benchmark]: Witness Printer took 176.28 ms. Allocated memory is still 332.4 MB. Free memory was 271.0 MB in the beginning and 260.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:11:53,905 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 173.0 MB. Free memory is still 145.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 777.27 ms. Allocated memory is still 173.0 MB. Free memory was 146.8 MB in the beginning and 125.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 114.11 ms. Allocated memory is still 173.0 MB. Free memory was 125.2 MB in the beginning and 121.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 54.90 ms. Allocated memory is still 173.0 MB. Free memory was 121.7 MB in the beginning and 118.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1334.26 ms. Allocated memory is still 173.0 MB. Free memory was 118.9 MB in the beginning and 92.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11160.21 ms. Allocated memory was 173.0 MB in the beginning and 332.4 MB in the end (delta: 159.4 MB). Free memory was 91.7 MB in the beginning and 271.0 MB in the end (delta: -179.3 MB). Peak memory consumption was 138.0 MB. Max. memory is 8.0 GB. * Witness Printer took 176.28 ms. Allocated memory is still 332.4 MB. Free memory was 271.0 MB in the beginning and 260.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 831]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 831]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 831]: 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: 208]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 1 && tmp___0 == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1253 SDtfs, 1599 SDslu, 1825 SDs, 0 SdLazy, 243 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1221 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 152 NumberOfFragments, 1216 HoareAnnotationTreeSize, 45 FomulaSimplifications, 375336 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 74138 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 30948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 65/65 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...