/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:13:30,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:13:30,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:13:30,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:13:30,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:13:30,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:13:30,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:13:30,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:13:30,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:13:30,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:13:30,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:13:30,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:13:30,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:13:30,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:13:30,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:13:30,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:13:30,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:13:30,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:13:30,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:13:30,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:13:30,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:13:30,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:13:30,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:13:30,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:13:30,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:13:30,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:13:30,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:13:30,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:13:30,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:13:30,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:13:30,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:13:30,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:13:30,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:13:30,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:13:30,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:13:30,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:13:30,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:13:30,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:13:30,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:13:30,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:13:30,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:13:30,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:13:30,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:13:30,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:13:30,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:13:30,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:13:30,672 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:13:30,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:13:30,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:13:30,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:13:30,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:13:30,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:13:30,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:13:30,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:13:30,675 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:13:30,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:13:30,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:13:30,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:13:30,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:13:30,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:13:30,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:13:30,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:13:30,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:13:30,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:13:30,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:13:30,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:13:30,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:13:30,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:13:31,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:13:31,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:13:31,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:13:31,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:13:31,175 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:13:31,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2021-01-06 19:13:31,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/49018c608/97b1bb88bacc4911976c472202da5955/FLAG1269c6d46 [2021-01-06 19:13:31,980 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:13:31,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2021-01-06 19:13:31,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/49018c608/97b1bb88bacc4911976c472202da5955/FLAG1269c6d46 [2021-01-06 19:13:32,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/49018c608/97b1bb88bacc4911976c472202da5955 [2021-01-06 19:13:32,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:13:32,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:13:32,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:32,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:13:32,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:13:32,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:32,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147f9246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32, skipping insertion in model container [2021-01-06 19:13:32,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:32,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:13:32,298 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~7,] 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~8,] 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,] 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~9,] 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 19:13:32,733 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c[17899,17912] [2021-01-06 19:13:32,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:32,753 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~7,] 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~8,] 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,] 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~9,] 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 19:13:32,906 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c[17899,17912] [2021-01-06 19:13:32,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:32,951 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:13:32,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32 WrapperNode [2021-01-06 19:13:32,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:32,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:32,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:13:32,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:13:32,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:33,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:33,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:33,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:13:33,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:13:33,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:13:33,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:33,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:33,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:33,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:33,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:33,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:33,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (1/1) ... [2021-01-06 19:13:33,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:13:33,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:13:33,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:13:33,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:13:33,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:13:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:13:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:13:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:13:33,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:13:34,477 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:13:34,478 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-01-06 19:13:34,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:34 BoogieIcfgContainer [2021-01-06 19:13:34,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:13:34,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:13:34,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:13:34,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:13:34,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:13:32" (1/3) ... [2021-01-06 19:13:34,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251443ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:34, skipping insertion in model container [2021-01-06 19:13:34,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:32" (2/3) ... [2021-01-06 19:13:34,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251443ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:34, skipping insertion in model container [2021-01-06 19:13:34,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:34" (3/3) ... [2021-01-06 19:13:34,490 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2021-01-06 19:13:34,499 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:13:34,505 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:13:34,526 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:13:34,556 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:13:34,557 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:13:34,557 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:13:34,557 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:13:34,557 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:13:34,557 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:13:34,558 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:13:34,558 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:13:34,582 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2021-01-06 19:13:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 19:13:34,589 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:34,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:34,590 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:34,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:34,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2021-01-06 19:13:34,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:34,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006011780] [2021-01-06 19:13:34,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:34,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006011780] [2021-01-06 19:13:34,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:34,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:34,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542467171] [2021-01-06 19:13:34,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:13:34,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:34,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:13:34,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:13:34,915 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2021-01-06 19:13:34,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:34,951 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-01-06 19:13:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:13:34,953 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-01-06 19:13:34,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:34,965 INFO L225 Difference]: With dead ends: 204 [2021-01-06 19:13:34,965 INFO L226 Difference]: Without dead ends: 101 [2021-01-06 19:13:34,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:13:34,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-01-06 19:13:35,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-01-06 19:13:35,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-01-06 19:13:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-01-06 19:13:35,020 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-01-06 19:13:35,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:35,020 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-01-06 19:13:35,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:13:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-01-06 19:13:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 19:13:35,022 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:35,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:35,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:13:35,023 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:35,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:35,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2021-01-06 19:13:35,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:35,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902173551] [2021-01-06 19:13:35,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:35,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902173551] [2021-01-06 19:13:35,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:35,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:13:35,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668235370] [2021-01-06 19:13:35,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:35,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:35,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:35,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:35,193 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2021-01-06 19:13:35,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:35,208 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-01-06 19:13:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:35,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 19:13:35,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:35,216 INFO L225 Difference]: With dead ends: 101 [2021-01-06 19:13:35,217 INFO L226 Difference]: Without dead ends: 43 [2021-01-06 19:13:35,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:35,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-01-06 19:13:35,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-01-06 19:13:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-01-06 19:13:35,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-01-06 19:13:35,226 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-01-06 19:13:35,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:35,227 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-01-06 19:13:35,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-01-06 19:13:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 19:13:35,228 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:35,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:35,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:13:35,229 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:35,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:35,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2021-01-06 19:13:35,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:35,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746990034] [2021-01-06 19:13:35,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:35,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746990034] [2021-01-06 19:13:35,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:35,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:13:35,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480597413] [2021-01-06 19:13:35,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:35,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:35,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:35,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:35,386 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2021-01-06 19:13:35,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:35,430 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-01-06 19:13:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:35,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-01-06 19:13:35,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:35,433 INFO L225 Difference]: With dead ends: 80 [2021-01-06 19:13:35,433 INFO L226 Difference]: Without dead ends: 43 [2021-01-06 19:13:35,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:35,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-01-06 19:13:35,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-01-06 19:13:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-01-06 19:13:35,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-01-06 19:13:35,441 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-01-06 19:13:35,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:35,441 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-01-06 19:13:35,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-01-06 19:13:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:13:35,443 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:35,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:35,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:13:35,443 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:35,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:35,444 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2021-01-06 19:13:35,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:35,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927839796] [2021-01-06 19:13:35,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:35,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927839796] [2021-01-06 19:13:35,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:35,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:13:35,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55063590] [2021-01-06 19:13:35,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:13:35,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:35,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:13:35,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:13:35,603 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 7 states. [2021-01-06 19:13:36,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:36,004 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2021-01-06 19:13:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 19:13:36,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2021-01-06 19:13:36,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:36,008 INFO L225 Difference]: With dead ends: 286 [2021-01-06 19:13:36,008 INFO L226 Difference]: Without dead ends: 249 [2021-01-06 19:13:36,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-01-06 19:13:36,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-01-06 19:13:36,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 108. [2021-01-06 19:13:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-01-06 19:13:36,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2021-01-06 19:13:36,030 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2021-01-06 19:13:36,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:36,031 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2021-01-06 19:13:36,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:13:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2021-01-06 19:13:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 19:13:36,032 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:36,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:36,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:13:36,033 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:36,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:36,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1913417034, now seen corresponding path program 1 times [2021-01-06 19:13:36,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:36,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418887177] [2021-01-06 19:13:36,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:36,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:36,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418887177] [2021-01-06 19:13:36,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:36,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:36,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178963131] [2021-01-06 19:13:36,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:36,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:36,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:36,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:36,107 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand 3 states. [2021-01-06 19:13:36,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:36,127 INFO L93 Difference]: Finished difference Result 165 states and 237 transitions. [2021-01-06 19:13:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:36,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-01-06 19:13:36,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:36,129 INFO L225 Difference]: With dead ends: 165 [2021-01-06 19:13:36,129 INFO L226 Difference]: Without dead ends: 63 [2021-01-06 19:13:36,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:36,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-01-06 19:13:36,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-01-06 19:13:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-01-06 19:13:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2021-01-06 19:13:36,140 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 25 [2021-01-06 19:13:36,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:36,140 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2021-01-06 19:13:36,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-01-06 19:13:36,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 19:13:36,142 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:36,142 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-01-06 19:13:36,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:13:36,142 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:36,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:36,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1809526981, now seen corresponding path program 1 times [2021-01-06 19:13:36,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:36,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190646124] [2021-01-06 19:13:36,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:36,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190646124] [2021-01-06 19:13:36,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179720641] [2021-01-06 19:13:36,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:13:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:36,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:13:36,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:13:36,748 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:36,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:13:36,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-01-06 19:13:36,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448803182] [2021-01-06 19:13:36,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:13:36,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:36,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:13:36,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:36,753 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand 4 states. [2021-01-06 19:13:36,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:36,849 INFO L93 Difference]: Finished difference Result 81 states and 104 transitions. [2021-01-06 19:13:36,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:13:36,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2021-01-06 19:13:36,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:36,851 INFO L225 Difference]: With dead ends: 81 [2021-01-06 19:13:36,851 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:13:36,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 19:13:36,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:13:36,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:13:36,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:13:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:13:36,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-01-06 19:13:36,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:36,856 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:13:36,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:13:36,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:13:36,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:13:37,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-06 19:13:37,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:13:37,418 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2021-01-06 19:13:37,798 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2021-01-06 19:13:37,798 INFO L185 CegarLoopUtils]: At program point L433(lines 384 434) the Hoare annotation is: false [2021-01-06 19:13:37,799 INFO L185 CegarLoopUtils]: At program point L929(lines 1 949) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:37,799 INFO L189 CegarLoopUtils]: For program point L236(lines 236 253) no Hoare annotation was computed. [2021-01-06 19:13:37,799 INFO L189 CegarLoopUtils]: For program point L236-1(lines 236 253) no Hoare annotation was computed. [2021-01-06 19:13:37,799 INFO L189 CegarLoopUtils]: For program point L236-2(lines 236 253) no Hoare annotation was computed. [2021-01-06 19:13:37,799 INFO L185 CegarLoopUtils]: At program point L867(lines 863 869) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:37,799 INFO L189 CegarLoopUtils]: For program point L405(lines 405 411) no Hoare annotation was computed. [2021-01-06 19:13:37,800 INFO L185 CegarLoopUtils]: At program point L405-1(lines 405 411) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-01-06 19:13:37,800 INFO L185 CegarLoopUtils]: At program point L306(lines 301 309) the Hoare annotation is: false [2021-01-06 19:13:37,800 INFO L185 CegarLoopUtils]: At program point L306-1(lines 301 309) the Hoare annotation is: false [2021-01-06 19:13:37,800 INFO L189 CegarLoopUtils]: For program point L240(lines 240 248) no Hoare annotation was computed. [2021-01-06 19:13:37,800 INFO L185 CegarLoopUtils]: At program point L306-2(lines 301 309) the Hoare annotation is: false [2021-01-06 19:13:37,800 INFO L189 CegarLoopUtils]: For program point L240-1(lines 240 248) no Hoare annotation was computed. [2021-01-06 19:13:37,800 INFO L189 CegarLoopUtils]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2021-01-06 19:13:37,801 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2021-01-06 19:13:37,801 INFO L192 CegarLoopUtils]: At program point L902(lines 883 905) the Hoare annotation is: true [2021-01-06 19:13:37,801 INFO L189 CegarLoopUtils]: For program point L210(lines 210 227) no Hoare annotation was computed. [2021-01-06 19:13:37,801 INFO L189 CegarLoopUtils]: For program point L210-1(lines 210 227) no Hoare annotation was computed. [2021-01-06 19:13:37,801 INFO L189 CegarLoopUtils]: For program point L210-2(lines 210 227) no Hoare annotation was computed. [2021-01-06 19:13:37,801 INFO L189 CegarLoopUtils]: For program point L210-3(lines 210 227) no Hoare annotation was computed. [2021-01-06 19:13:37,801 INFO L189 CegarLoopUtils]: For program point L210-4(lines 210 227) no Hoare annotation was computed. [2021-01-06 19:13:37,802 INFO L189 CegarLoopUtils]: For program point L210-5(lines 210 227) no Hoare annotation was computed. [2021-01-06 19:13:37,802 INFO L185 CegarLoopUtils]: At program point L937(lines 932 940) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:37,802 INFO L185 CegarLoopUtils]: At program point L178(lines 177 196) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-01-06 19:13:37,802 INFO L189 CegarLoopUtils]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2021-01-06 19:13:37,802 INFO L185 CegarLoopUtils]: At program point L178-2(lines 177 196) the Hoare annotation is: false [2021-01-06 19:13:37,802 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-01-06 19:13:37,802 INFO L185 CegarLoopUtils]: At program point L178-3(lines 177 196) the Hoare annotation is: false [2021-01-06 19:13:37,803 INFO L189 CegarLoopUtils]: For program point L214(lines 214 222) no Hoare annotation was computed. [2021-01-06 19:13:37,803 INFO L189 CegarLoopUtils]: For program point L214-1(lines 214 222) no Hoare annotation was computed. [2021-01-06 19:13:37,803 INFO L189 CegarLoopUtils]: For program point L148(lines 148 161) no Hoare annotation was computed. [2021-01-06 19:13:37,803 INFO L189 CegarLoopUtils]: For program point L214-2(lines 214 222) no Hoare annotation was computed. [2021-01-06 19:13:37,803 INFO L185 CegarLoopUtils]: At program point L148-1(lines 1 949) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 ~systemActive~0) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))))) [2021-01-06 19:13:37,803 INFO L189 CegarLoopUtils]: For program point L214-3(lines 214 222) no Hoare annotation was computed. [2021-01-06 19:13:37,804 INFO L189 CegarLoopUtils]: For program point L148-2(lines 148 161) no Hoare annotation was computed. [2021-01-06 19:13:37,804 INFO L189 CegarLoopUtils]: For program point L214-4(lines 214 222) no Hoare annotation was computed. [2021-01-06 19:13:37,804 INFO L185 CegarLoopUtils]: At program point L148-3(lines 1 949) the Hoare annotation is: false [2021-01-06 19:13:37,804 INFO L189 CegarLoopUtils]: For program point L214-5(lines 214 222) no Hoare annotation was computed. [2021-01-06 19:13:37,804 INFO L189 CegarLoopUtils]: For program point L148-4(lines 148 161) no Hoare annotation was computed. [2021-01-06 19:13:37,804 INFO L185 CegarLoopUtils]: At program point L148-5(lines 1 949) the Hoare annotation is: false [2021-01-06 19:13:37,804 INFO L189 CegarLoopUtils]: For program point L415(lines 415 428) no Hoare annotation was computed. [2021-01-06 19:13:37,805 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:13:37,805 INFO L185 CegarLoopUtils]: At program point L185(lines 185 191) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-01-06 19:13:37,805 INFO L189 CegarLoopUtils]: For program point L152(lines 152 158) no Hoare annotation was computed. [2021-01-06 19:13:37,805 INFO L185 CegarLoopUtils]: At program point L185-1(lines 185 191) the Hoare annotation is: false [2021-01-06 19:13:37,805 INFO L185 CegarLoopUtils]: At program point L185-2(lines 185 191) the Hoare annotation is: false [2021-01-06 19:13:37,805 INFO L189 CegarLoopUtils]: For program point L152-2(lines 152 158) no Hoare annotation was computed. [2021-01-06 19:13:37,806 INFO L189 CegarLoopUtils]: For program point L152-4(lines 152 158) no Hoare annotation was computed. [2021-01-06 19:13:37,806 INFO L189 CegarLoopUtils]: For program point L946(line 946) no Hoare annotation was computed. [2021-01-06 19:13:37,806 INFO L189 CegarLoopUtils]: For program point L946-1(line 946) no Hoare annotation was computed. [2021-01-06 19:13:37,806 INFO L189 CegarLoopUtils]: For program point L946-2(line 946) no Hoare annotation was computed. [2021-01-06 19:13:37,806 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-01-06 19:13:37,806 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-01-06 19:13:37,806 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-01-06 19:13:37,807 INFO L189 CegarLoopUtils]: For program point L386(lines 385 432) no Hoare annotation was computed. [2021-01-06 19:13:37,807 INFO L189 CegarLoopUtils]: For program point L387(lines 387 391) no Hoare annotation was computed. [2021-01-06 19:13:37,807 INFO L189 CegarLoopUtils]: For program point L355(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,807 INFO L189 CegarLoopUtils]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,807 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:13:37,807 INFO L189 CegarLoopUtils]: For program point L355-3(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,807 INFO L189 CegarLoopUtils]: For program point L355-5(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,807 INFO L189 CegarLoopUtils]: For program point L355-6(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,808 INFO L185 CegarLoopUtils]: At program point L124(lines 119 127) the Hoare annotation is: (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-01-06 19:13:37,808 INFO L189 CegarLoopUtils]: For program point L355-8(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,808 INFO L185 CegarLoopUtils]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2021-01-06 19:13:37,808 INFO L189 CegarLoopUtils]: For program point L355-9(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,808 INFO L185 CegarLoopUtils]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2021-01-06 19:13:37,808 INFO L189 CegarLoopUtils]: For program point L355-11(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,808 INFO L189 CegarLoopUtils]: For program point L355-12(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,809 INFO L189 CegarLoopUtils]: For program point L355-14(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,809 INFO L189 CegarLoopUtils]: For program point L355-15(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,809 INFO L189 CegarLoopUtils]: For program point L355-17(lines 355 359) no Hoare annotation was computed. [2021-01-06 19:13:37,809 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: false [2021-01-06 19:13:37,809 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-01-06 19:13:37,809 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-01-06 19:13:37,809 INFO L185 CegarLoopUtils]: At program point L819-2(lines 819 833) the Hoare annotation is: false [2021-01-06 19:13:37,809 INFO L189 CegarLoopUtils]: For program point L423(lines 423 427) no Hoare annotation was computed. [2021-01-06 19:13:37,810 INFO L185 CegarLoopUtils]: At program point L423-2(lines 178 184) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-01-06 19:13:37,810 INFO L189 CegarLoopUtils]: For program point L820(line 820) no Hoare annotation was computed. [2021-01-06 19:13:37,810 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:13:37,810 INFO L189 CegarLoopUtils]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-01-06 19:13:37,810 INFO L189 CegarLoopUtils]: For program point L823-1(lines 178 184) no Hoare annotation was computed. [2021-01-06 19:13:37,810 INFO L185 CegarLoopUtils]: At program point L361(lines 346 364) the Hoare annotation is: false [2021-01-06 19:13:37,810 INFO L185 CegarLoopUtils]: At program point L361-1(lines 346 364) the Hoare annotation is: false [2021-01-06 19:13:37,811 INFO L185 CegarLoopUtils]: At program point L361-2(lines 346 364) the Hoare annotation is: false [2021-01-06 19:13:37,811 INFO L185 CegarLoopUtils]: At program point L361-3(lines 346 364) the Hoare annotation is: false [2021-01-06 19:13:37,811 INFO L185 CegarLoopUtils]: At program point L361-4(lines 346 364) the Hoare annotation is: false [2021-01-06 19:13:37,811 INFO L185 CegarLoopUtils]: At program point L361-5(lines 346 364) the Hoare annotation is: false [2021-01-06 19:13:37,811 INFO L189 CegarLoopUtils]: For program point L395(lines 395 401) no Hoare annotation was computed. [2021-01-06 19:13:37,811 INFO L185 CegarLoopUtils]: At program point L395-1(lines 395 401) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-01-06 19:13:37,811 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:13:37,812 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2021-01-06 19:13:37,812 INFO L185 CegarLoopUtils]: At program point L297(lines 290 300) the Hoare annotation is: false [2021-01-06 19:13:37,812 INFO L185 CegarLoopUtils]: At program point L297-1(lines 290 300) the Hoare annotation is: false [2021-01-06 19:13:37,812 INFO L185 CegarLoopUtils]: At program point L297-2(lines 290 300) the Hoare annotation is: false [2021-01-06 19:13:37,812 INFO L185 CegarLoopUtils]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-01-06 19:13:37,812 INFO L185 CegarLoopUtils]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-01-06 19:13:37,812 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-01-06 19:13:37,813 INFO L185 CegarLoopUtils]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-01-06 19:13:37,813 INFO L185 CegarLoopUtils]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2021-01-06 19:13:37,813 INFO L185 CegarLoopUtils]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2021-01-06 19:13:37,813 INFO L185 CegarLoopUtils]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2021-01-06 19:13:37,813 INFO L189 CegarLoopUtils]: For program point L893(lines 893 900) no Hoare annotation was computed. [2021-01-06 19:13:37,813 INFO L192 CegarLoopUtils]: At program point L893-1(lines 893 900) the Hoare annotation is: true [2021-01-06 19:13:37,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:13:37 BoogieIcfgContainer [2021-01-06 19:13:37,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:13:37,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:13:37,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:13:37,837 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:13:37,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:34" (3/4) ... [2021-01-06 19:13:37,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:13:37,860 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:13:37,862 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:13:37,863 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:13:37,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:13:37,865 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:13:37,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:13:37,867 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:13:37,898 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) [2021-01-06 19:13:37,901 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2021-01-06 19:13:37,993 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product30.cil.c-witness.graphml [2021-01-06 19:13:37,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:13:37,994 INFO L168 Benchmark]: Toolchain (without parser) took 5815.75 ms. Allocated memory was 174.1 MB in the beginning and 209.7 MB in the end (delta: 35.7 MB). Free memory was 152.4 MB in the beginning and 99.5 MB in the end (delta: 52.8 MB). Peak memory consumption was 87.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:37,995 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 174.1 MB. Free memory was 145.6 MB in the beginning and 145.5 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:13:37,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.98 ms. Allocated memory is still 174.1 MB. Free memory was 152.4 MB in the beginning and 148.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:37,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.81 ms. Allocated memory is still 174.1 MB. Free memory was 148.5 MB in the beginning and 144.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:37,996 INFO L168 Benchmark]: Boogie Preprocessor took 56.00 ms. Allocated memory is still 174.1 MB. Free memory was 144.9 MB in the beginning and 142.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:37,996 INFO L168 Benchmark]: RCFGBuilder took 1335.84 ms. Allocated memory is still 174.1 MB. Free memory was 142.2 MB in the beginning and 83.5 MB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:37,997 INFO L168 Benchmark]: TraceAbstraction took 3353.45 ms. Allocated memory was 174.1 MB in the beginning and 209.7 MB in the end (delta: 35.7 MB). Free memory was 83.0 MB in the beginning and 109.0 MB in the end (delta: -25.9 MB). Peak memory consumption was 10.7 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:37,997 INFO L168 Benchmark]: Witness Printer took 156.93 ms. Allocated memory is still 209.7 MB. Free memory was 109.0 MB in the beginning and 99.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:38,000 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 174.1 MB. Free memory was 145.6 MB in the beginning and 145.5 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 769.98 ms. Allocated memory is still 174.1 MB. Free memory was 152.4 MB in the beginning and 148.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 131.81 ms. Allocated memory is still 174.1 MB. Free memory was 148.5 MB in the beginning and 144.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.00 ms. Allocated memory is still 174.1 MB. Free memory was 144.9 MB in the beginning and 142.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1335.84 ms. Allocated memory is still 174.1 MB. Free memory was 142.2 MB in the beginning and 83.5 MB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3353.45 ms. Allocated memory was 174.1 MB in the beginning and 209.7 MB in the end (delta: 35.7 MB). Free memory was 83.0 MB in the beginning and 109.0 MB in the end (delta: -25.9 MB). Peak memory consumption was 10.7 MB. Max. memory is 8.0 GB. * Witness Printer took 156.93 ms. Allocated memory is still 209.7 MB. Free memory was 109.0 MB in the beginning and 99.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 946]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 946]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: 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: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 436 SDtfs, 589 SDslu, 451 SDs, 0 SdLazy, 97 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 59 NumberOfFragments, 180 HoareAnnotationTreeSize, 43 FomulaSimplifications, 318 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 176 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 11242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 382 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 27/32 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...