/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_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:14:35,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:14:35,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:14:35,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:14:35,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:14:35,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:14:35,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:14:35,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:14:35,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:14:35,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:14:35,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:14:35,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:14:35,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:14:35,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:14:35,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:14:35,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:14:35,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:14:35,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:14:35,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:14:35,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:14:35,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:14:35,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:14:35,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:14:35,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:14:35,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:14:35,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:14:35,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:14:35,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:14:35,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:14:35,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:14:35,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:14:35,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:14:35,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:14:35,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:14:35,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:14:35,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:14:35,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:14:35,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:14:35,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:14:35,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:14:35,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:14:35,685 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 19:14:35,735 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:14:35,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:14:35,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:14:35,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:14:35,740 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:14:35,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:14:35,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:14:35,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:14:35,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:14:35,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:14:35,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:14:35,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:14:35,743 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:14:35,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:14:35,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:14:35,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:14:35,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:14:35,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:14:35,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:14:35,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:14:35,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:14:35,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:14:35,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:14:35,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:14:35,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:14:35,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:14:36,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:14:36,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:14:36,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:14:36,219 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:14:36,220 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:14:36,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2021-01-06 19:14:36,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/313365bcf/aabc173693814ca2b9c825b2c69b95fc/FLAGf78a8c126 [2021-01-06 19:14:37,024 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:14:37,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2021-01-06 19:14:37,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/313365bcf/aabc173693814ca2b9c825b2c69b95fc/FLAGf78a8c126 [2021-01-06 19:14:37,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/313365bcf/aabc173693814ca2b9c825b2c69b95fc [2021-01-06 19:14:37,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:14:37,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:14:37,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:14:37,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:14:37,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:14:37,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:14:37" (1/1) ... [2021-01-06 19:14:37,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5446e422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:37, skipping insertion in model container [2021-01-06 19:14:37,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:14:37" (1/1) ... [2021-01-06 19:14:37,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:14:37,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 19:14:37,610 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_spec5_product39.cil.c[1281,1294] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] 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[~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[~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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:14:37,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:14:37,858 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 19:14:37,873 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_spec5_product39.cil.c[1281,1294] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] 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[~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[~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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:14:37,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:14:38,029 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:14:38,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38 WrapperNode [2021-01-06 19:14:38,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:14:38,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:14:38,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:14:38,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:14:38,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:14:38,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:14:38,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:14:38,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:14:38,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:14:38,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:14:38,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:14:38,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:14:38,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (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 19:14:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:14:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:14:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:14:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:14:39,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:14:39,563 INFO L299 CfgBuilder]: Removed 174 assume(true) statements. [2021-01-06 19:14:39,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:39 BoogieIcfgContainer [2021-01-06 19:14:39,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:14:39,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:14:39,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:14:39,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:14:39,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:14:37" (1/3) ... [2021-01-06 19:14:39,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8b856f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:14:39, skipping insertion in model container [2021-01-06 19:14:39,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38" (2/3) ... [2021-01-06 19:14:39,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8b856f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:14:39, skipping insertion in model container [2021-01-06 19:14:39,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:39" (3/3) ... [2021-01-06 19:14:39,576 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2021-01-06 19:14:39,583 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:14:39,589 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:14:39,609 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:14:39,639 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:14:39,639 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:14:39,639 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:14:39,640 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:14:39,640 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:14:39,640 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:14:39,640 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:14:39,640 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:14:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2021-01-06 19:14:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:14:39,670 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:39,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:39,672 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:39,679 INFO L82 PathProgramCache]: Analyzing trace with hash 570937186, now seen corresponding path program 1 times [2021-01-06 19:14:39,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:39,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684949956] [2021-01-06 19:14:39,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:40,032 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 19:14:40,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684949956] [2021-01-06 19:14:40,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:40,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:40,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854100897] [2021-01-06 19:14:40,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:14:40,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:40,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:14:40,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:14:40,079 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2021-01-06 19:14:40,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:40,116 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2021-01-06 19:14:40,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:14:40,118 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-01-06 19:14:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:40,132 INFO L225 Difference]: With dead ends: 237 [2021-01-06 19:14:40,132 INFO L226 Difference]: Without dead ends: 118 [2021-01-06 19:14:40,136 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 19:14:40,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-01-06 19:14:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-01-06 19:14:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-01-06 19:14:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2021-01-06 19:14:40,206 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2021-01-06 19:14:40,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:40,207 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2021-01-06 19:14:40,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:14:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2021-01-06 19:14:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-01-06 19:14:40,209 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:40,209 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] [2021-01-06 19:14:40,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:14:40,209 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:40,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:40,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1918010557, now seen corresponding path program 1 times [2021-01-06 19:14:40,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:40,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118473263] [2021-01-06 19:14:40,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:40,358 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 19:14:40,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118473263] [2021-01-06 19:14:40,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:40,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:14:40,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054743731] [2021-01-06 19:14:40,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:40,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:40,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:40,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:40,368 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand 3 states. [2021-01-06 19:14:40,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:40,404 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2021-01-06 19:14:40,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:40,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-01-06 19:14:40,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:40,410 INFO L225 Difference]: With dead ends: 118 [2021-01-06 19:14:40,411 INFO L226 Difference]: Without dead ends: 51 [2021-01-06 19:14:40,414 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 19:14:40,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-01-06 19:14:40,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-01-06 19:14:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-01-06 19:14:40,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-01-06 19:14:40,428 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-01-06 19:14:40,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:40,428 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-01-06 19:14:40,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:40,428 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-01-06 19:14:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:14:40,432 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:40,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:40,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:14:40,433 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:40,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:40,436 INFO L82 PathProgramCache]: Analyzing trace with hash 333982465, now seen corresponding path program 1 times [2021-01-06 19:14:40,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:40,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469521911] [2021-01-06 19:14:40,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:40,574 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 19:14:40,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469521911] [2021-01-06 19:14:40,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:40,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:40,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075414474] [2021-01-06 19:14:40,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:40,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:40,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:40,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:40,577 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2021-01-06 19:14:40,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:40,602 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2021-01-06 19:14:40,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:40,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 19:14:40,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:40,604 INFO L225 Difference]: With dead ends: 139 [2021-01-06 19:14:40,605 INFO L226 Difference]: Without dead ends: 95 [2021-01-06 19:14:40,606 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 19:14:40,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-01-06 19:14:40,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2021-01-06 19:14:40,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-01-06 19:14:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2021-01-06 19:14:40,631 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2021-01-06 19:14:40,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:40,632 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2021-01-06 19:14:40,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2021-01-06 19:14:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-01-06 19:14:40,634 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:40,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:40,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:14:40,637 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:40,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:40,637 INFO L82 PathProgramCache]: Analyzing trace with hash 139090872, now seen corresponding path program 1 times [2021-01-06 19:14:40,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:40,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229466668] [2021-01-06 19:14:40,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:40,750 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 19:14:40,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229466668] [2021-01-06 19:14:40,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:40,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:40,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114101491] [2021-01-06 19:14:40,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:40,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:40,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:40,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:40,753 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand 3 states. [2021-01-06 19:14:40,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:40,802 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2021-01-06 19:14:40,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:40,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2021-01-06 19:14:40,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:40,804 INFO L225 Difference]: With dead ends: 222 [2021-01-06 19:14:40,805 INFO L226 Difference]: Without dead ends: 138 [2021-01-06 19:14:40,806 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 19:14:40,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-01-06 19:14:40,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2021-01-06 19:14:40,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-01-06 19:14:40,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-01-06 19:14:40,825 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2021-01-06 19:14:40,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:40,825 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-01-06 19:14:40,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:40,825 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-01-06 19:14:40,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-01-06 19:14:40,826 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:40,827 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:40,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:14:40,827 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:40,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:40,828 INFO L82 PathProgramCache]: Analyzing trace with hash 65503050, now seen corresponding path program 1 times [2021-01-06 19:14:40,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:40,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756993646] [2021-01-06 19:14:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:40,954 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 19:14:40,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756993646] [2021-01-06 19:14:40,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:40,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:14:40,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420417645] [2021-01-06 19:14:40,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:40,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:40,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:40,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:40,958 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 5 states. [2021-01-06 19:14:41,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:41,103 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2021-01-06 19:14:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:14:41,104 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-01-06 19:14:41,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:41,107 INFO L225 Difference]: With dead ends: 475 [2021-01-06 19:14:41,108 INFO L226 Difference]: Without dead ends: 346 [2021-01-06 19:14:41,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:14:41,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-01-06 19:14:41,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2021-01-06 19:14:41,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2021-01-06 19:14:41,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2021-01-06 19:14:41,170 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2021-01-06 19:14:41,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:41,171 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2021-01-06 19:14:41,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:41,171 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2021-01-06 19:14:41,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:14:41,175 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:41,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:41,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:14:41,176 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:41,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:41,178 INFO L82 PathProgramCache]: Analyzing trace with hash -755991289, now seen corresponding path program 1 times [2021-01-06 19:14:41,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:41,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732776056] [2021-01-06 19:14:41,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:41,248 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 19:14:41,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732776056] [2021-01-06 19:14:41,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:41,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:41,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812829251] [2021-01-06 19:14:41,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:41,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:41,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:41,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:41,254 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand 5 states. [2021-01-06 19:14:41,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:41,344 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2021-01-06 19:14:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:14:41,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-01-06 19:14:41,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:41,347 INFO L225 Difference]: With dead ends: 363 [2021-01-06 19:14:41,347 INFO L226 Difference]: Without dead ends: 236 [2021-01-06 19:14:41,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:14:41,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-01-06 19:14:41,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2021-01-06 19:14:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2021-01-06 19:14:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2021-01-06 19:14:41,383 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2021-01-06 19:14:41,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:41,386 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2021-01-06 19:14:41,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2021-01-06 19:14:41,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:14:41,391 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:41,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:41,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:14:41,391 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:41,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:41,397 INFO L82 PathProgramCache]: Analyzing trace with hash -54926711, now seen corresponding path program 1 times [2021-01-06 19:14:41,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:41,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381384590] [2021-01-06 19:14:41,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:41,472 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 19:14:41,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381384590] [2021-01-06 19:14:41,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:41,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:14:41,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771558965] [2021-01-06 19:14:41,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:14:41,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:41,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:14:41,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:14:41,481 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 4 states. [2021-01-06 19:14:41,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:41,529 INFO L93 Difference]: Finished difference Result 351 states and 482 transitions. [2021-01-06 19:14:41,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:14:41,530 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-01-06 19:14:41,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:41,532 INFO L225 Difference]: With dead ends: 351 [2021-01-06 19:14:41,532 INFO L226 Difference]: Without dead ends: 212 [2021-01-06 19:14:41,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:41,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-01-06 19:14:41,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 154. [2021-01-06 19:14:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2021-01-06 19:14:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2021-01-06 19:14:41,548 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2021-01-06 19:14:41,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:41,548 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2021-01-06 19:14:41,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:14:41,548 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2021-01-06 19:14:41,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:14:41,550 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:41,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:41,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:14:41,550 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:41,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:41,551 INFO L82 PathProgramCache]: Analyzing trace with hash -641732725, now seen corresponding path program 1 times [2021-01-06 19:14:41,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:41,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052951556] [2021-01-06 19:14:41,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:41,614 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 19:14:41,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052951556] [2021-01-06 19:14:41,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:41,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:41,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744026718] [2021-01-06 19:14:41,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:41,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:41,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:41,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:41,617 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand 3 states. [2021-01-06 19:14:41,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:41,655 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2021-01-06 19:14:41,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:41,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-01-06 19:14:41,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:41,657 INFO L225 Difference]: With dead ends: 359 [2021-01-06 19:14:41,657 INFO L226 Difference]: Without dead ends: 212 [2021-01-06 19:14:41,658 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 19:14:41,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-01-06 19:14:41,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-01-06 19:14:41,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2021-01-06 19:14:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2021-01-06 19:14:41,677 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2021-01-06 19:14:41,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:41,678 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2021-01-06 19:14:41,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:41,678 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2021-01-06 19:14:41,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 19:14:41,679 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:41,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:41,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:14:41,680 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:41,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:41,681 INFO L82 PathProgramCache]: Analyzing trace with hash -2037678901, now seen corresponding path program 1 times [2021-01-06 19:14:41,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:41,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433523625] [2021-01-06 19:14:41,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:41,852 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 19:14:41,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433523625] [2021-01-06 19:14:41,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:41,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:14:41,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256319916] [2021-01-06 19:14:41,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:14:41,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:41,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:14:41,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:14:41,855 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand 7 states. [2021-01-06 19:14:42,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:42,292 INFO L93 Difference]: Finished difference Result 1039 states and 1412 transitions. [2021-01-06 19:14:42,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 19:14:42,293 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2021-01-06 19:14:42,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:42,298 INFO L225 Difference]: With dead ends: 1039 [2021-01-06 19:14:42,299 INFO L226 Difference]: Without dead ends: 892 [2021-01-06 19:14:42,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-01-06 19:14:42,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2021-01-06 19:14:42,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 372. [2021-01-06 19:14:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2021-01-06 19:14:42,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 491 transitions. [2021-01-06 19:14:42,346 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 491 transitions. Word has length 35 [2021-01-06 19:14:42,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:42,349 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 491 transitions. [2021-01-06 19:14:42,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:14:42,349 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 491 transitions. [2021-01-06 19:14:42,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 19:14:42,352 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:42,353 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:42,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:14:42,353 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:42,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:42,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1173197201, now seen corresponding path program 1 times [2021-01-06 19:14:42,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:42,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580213567] [2021-01-06 19:14:42,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 19:14:42,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580213567] [2021-01-06 19:14:42,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:42,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:14:42,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117779834] [2021-01-06 19:14:42,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:42,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:42,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:42,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:42,429 INFO L87 Difference]: Start difference. First operand 372 states and 491 transitions. Second operand 3 states. [2021-01-06 19:14:42,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:42,545 INFO L93 Difference]: Finished difference Result 447 states and 589 transitions. [2021-01-06 19:14:42,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:42,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-01-06 19:14:42,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:42,555 INFO L225 Difference]: With dead ends: 447 [2021-01-06 19:14:42,555 INFO L226 Difference]: Without dead ends: 186 [2021-01-06 19:14:42,556 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 19:14:42,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-01-06 19:14:42,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-01-06 19:14:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-01-06 19:14:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 235 transitions. [2021-01-06 19:14:42,574 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 235 transitions. Word has length 54 [2021-01-06 19:14:42,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:42,575 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 235 transitions. [2021-01-06 19:14:42,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 235 transitions. [2021-01-06 19:14:42,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 19:14:42,576 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:42,576 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:42,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:14:42,576 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:42,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:42,577 INFO L82 PathProgramCache]: Analyzing trace with hash 463651681, now seen corresponding path program 1 times [2021-01-06 19:14:42,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:42,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444992413] [2021-01-06 19:14:42,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:42,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444992413] [2021-01-06 19:14:42,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096890824] [2021-01-06 19:14:42,684 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 19:14:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:42,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-06 19:14:42,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:14:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:42,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:14:42,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-01-06 19:14:42,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520158859] [2021-01-06 19:14:42,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:14:42,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:43,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:14:43,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:14:43,001 INFO L87 Difference]: Start difference. First operand 186 states and 235 transitions. Second operand 9 states. [2021-01-06 19:14:43,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:43,287 INFO L93 Difference]: Finished difference Result 426 states and 551 transitions. [2021-01-06 19:14:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:14:43,288 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2021-01-06 19:14:43,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:43,289 INFO L225 Difference]: With dead ends: 426 [2021-01-06 19:14:43,289 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:14:43,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-01-06 19:14:43,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:14:43,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:14:43,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:14:43,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:14:43,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-01-06 19:14:43,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:43,291 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:14:43,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:14:43,292 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:14:43,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:14:43,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 19:14:43,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:14:43,632 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2021-01-06 19:14:44,495 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2021-01-06 19:14:44,602 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 13 [2021-01-06 19:14:44,788 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2021-01-06 19:14:45,055 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2021-01-06 19:14:45,253 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 26 [2021-01-06 19:14:45,436 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2021-01-06 19:14:45,668 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 29 [2021-01-06 19:14:45,822 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2021-01-06 19:14:46,011 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2021-01-06 19:14:46,135 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2021-01-06 19:14:46,372 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2021-01-06 19:14:46,476 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-01-06 19:14:46,476 INFO L189 CegarLoopUtils]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-01-06 19:14:46,476 INFO L189 CegarLoopUtils]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2021-01-06 19:14:46,477 INFO L189 CegarLoopUtils]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2021-01-06 19:14:46,477 INFO L189 CegarLoopUtils]: For program point L169(lines 169 186) no Hoare annotation was computed. [2021-01-06 19:14:46,477 INFO L189 CegarLoopUtils]: For program point L169-1(lines 169 186) no Hoare annotation was computed. [2021-01-06 19:14:46,477 INFO L189 CegarLoopUtils]: For program point L169-2(lines 169 186) no Hoare annotation was computed. [2021-01-06 19:14:46,477 INFO L189 CegarLoopUtils]: For program point L964(lines 964 970) no Hoare annotation was computed. [2021-01-06 19:14:46,477 INFO L189 CegarLoopUtils]: For program point L964-1(lines 964 970) no Hoare annotation was computed. [2021-01-06 19:14:46,477 INFO L189 CegarLoopUtils]: For program point L964-2(lines 964 970) no Hoare annotation was computed. [2021-01-06 19:14:46,477 INFO L189 CegarLoopUtils]: For program point L964-3(lines 964 970) no Hoare annotation was computed. [2021-01-06 19:14:46,478 INFO L189 CegarLoopUtils]: For program point L964-4(lines 964 970) no Hoare annotation was computed. [2021-01-06 19:14:46,478 INFO L189 CegarLoopUtils]: For program point L964-5(lines 964 970) no Hoare annotation was computed. [2021-01-06 19:14:46,478 INFO L189 CegarLoopUtils]: For program point L271(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,478 INFO L189 CegarLoopUtils]: For program point L271-2(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,478 INFO L189 CegarLoopUtils]: For program point L271-3(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,478 INFO L189 CegarLoopUtils]: For program point L271-5(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,478 INFO L189 CegarLoopUtils]: For program point L271-6(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,479 INFO L189 CegarLoopUtils]: For program point L271-8(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,479 INFO L189 CegarLoopUtils]: For program point L271-9(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,479 INFO L189 CegarLoopUtils]: For program point L271-11(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,479 INFO L189 CegarLoopUtils]: For program point L899(lines 899 903) no Hoare annotation was computed. [2021-01-06 19:14:46,479 INFO L189 CegarLoopUtils]: For program point L271-12(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,479 INFO L189 CegarLoopUtils]: For program point L271-14(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,479 INFO L189 CegarLoopUtils]: For program point L271-15(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,479 INFO L189 CegarLoopUtils]: For program point L271-17(lines 271 275) no Hoare annotation was computed. [2021-01-06 19:14:46,480 INFO L189 CegarLoopUtils]: For program point L173(lines 173 181) no Hoare annotation was computed. [2021-01-06 19:14:46,480 INFO L189 CegarLoopUtils]: For program point L173-1(lines 173 181) no Hoare annotation was computed. [2021-01-06 19:14:46,480 INFO L189 CegarLoopUtils]: For program point L173-2(lines 173 181) no Hoare annotation was computed. [2021-01-06 19:14:46,480 INFO L189 CegarLoopUtils]: For program point L438(lines 438 451) no Hoare annotation was computed. [2021-01-06 19:14:46,480 INFO L185 CegarLoopUtils]: At program point L472(lines 467 474) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:46,481 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-01-06 19:14:46,481 INFO L185 CegarLoopUtils]: At program point L76(lines 1 973) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:46,481 INFO L185 CegarLoopUtils]: At program point L308-2(lines 308 322) the Hoare annotation is: false [2021-01-06 19:14:46,481 INFO L189 CegarLoopUtils]: For program point L143(lines 143 160) no Hoare annotation was computed. [2021-01-06 19:14:46,481 INFO L189 CegarLoopUtils]: For program point L143-1(lines 143 160) no Hoare annotation was computed. [2021-01-06 19:14:46,481 INFO L189 CegarLoopUtils]: For program point L143-2(lines 143 160) no Hoare annotation was computed. [2021-01-06 19:14:46,481 INFO L189 CegarLoopUtils]: For program point L143-3(lines 143 160) no Hoare annotation was computed. [2021-01-06 19:14:46,482 INFO L189 CegarLoopUtils]: For program point L143-4(lines 143 160) no Hoare annotation was computed. [2021-01-06 19:14:46,482 INFO L189 CegarLoopUtils]: For program point L143-5(lines 143 160) no Hoare annotation was computed. [2021-01-06 19:14:46,482 INFO L185 CegarLoopUtils]: At program point L969(lines 960 973) the Hoare annotation is: false [2021-01-06 19:14:46,482 INFO L185 CegarLoopUtils]: At program point L969-1(lines 960 973) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2021-01-06 19:14:46,482 INFO L185 CegarLoopUtils]: At program point L969-2(lines 960 973) the Hoare annotation is: false [2021-01-06 19:14:46,482 INFO L185 CegarLoopUtils]: At program point L969-3(lines 960 973) the Hoare annotation is: false [2021-01-06 19:14:46,482 INFO L185 CegarLoopUtils]: At program point L969-4(lines 960 973) the Hoare annotation is: false [2021-01-06 19:14:46,483 INFO L185 CegarLoopUtils]: At program point L969-5(lines 960 973) the Hoare annotation is: false [2021-01-06 19:14:46,483 INFO L189 CegarLoopUtils]: For program point L309(line 309) no Hoare annotation was computed. [2021-01-06 19:14:46,483 INFO L185 CegarLoopUtils]: At program point L111(lines 107 129) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3))) [2021-01-06 19:14:46,483 INFO L185 CegarLoopUtils]: At program point L111-1(lines 107 129) the Hoare annotation is: false [2021-01-06 19:14:46,483 INFO L185 CegarLoopUtils]: At program point L111-2(lines 107 129) the Hoare annotation is: false [2021-01-06 19:14:46,483 INFO L189 CegarLoopUtils]: For program point L409(lines 408 455) no Hoare annotation was computed. [2021-01-06 19:14:46,484 INFO L185 CegarLoopUtils]: At program point L277(lines 262 280) the Hoare annotation is: false [2021-01-06 19:14:46,484 INFO L185 CegarLoopUtils]: At program point L277-1(lines 262 280) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (<= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)))) [2021-01-06 19:14:46,484 INFO L185 CegarLoopUtils]: At program point L277-2(lines 262 280) the Hoare annotation is: false [2021-01-06 19:14:46,484 INFO L185 CegarLoopUtils]: At program point L277-3(lines 262 280) the Hoare annotation is: false [2021-01-06 19:14:46,484 INFO L185 CegarLoopUtils]: At program point L277-4(lines 262 280) the Hoare annotation is: false [2021-01-06 19:14:46,484 INFO L185 CegarLoopUtils]: At program point L277-5(lines 262 280) the Hoare annotation is: false [2021-01-06 19:14:46,485 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2021-01-06 19:14:46,485 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-01-06 19:14:46,485 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-01-06 19:14:46,485 INFO L189 CegarLoopUtils]: For program point L410(lines 410 414) no Hoare annotation was computed. [2021-01-06 19:14:46,485 INFO L189 CegarLoopUtils]: For program point L444(lines 444 450) no Hoare annotation was computed. [2021-01-06 19:14:46,485 INFO L185 CegarLoopUtils]: At program point L444-1(lines 444 450) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2021-01-06 19:14:46,485 INFO L189 CegarLoopUtils]: For program point L312(lines 312 316) no Hoare annotation was computed. [2021-01-06 19:14:46,486 INFO L189 CegarLoopUtils]: For program point L312-1(lines 312 316) no Hoare annotation was computed. [2021-01-06 19:14:46,486 INFO L185 CegarLoopUtils]: At program point L213(lines 206 216) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-01-06 19:14:46,486 INFO L185 CegarLoopUtils]: At program point L213-1(lines 206 216) the Hoare annotation is: false [2021-01-06 19:14:46,486 INFO L189 CegarLoopUtils]: For program point L147(lines 147 155) no Hoare annotation was computed. [2021-01-06 19:14:46,486 INFO L185 CegarLoopUtils]: At program point L213-2(lines 206 216) the Hoare annotation is: false [2021-01-06 19:14:46,486 INFO L189 CegarLoopUtils]: For program point L147-1(lines 147 155) no Hoare annotation was computed. [2021-01-06 19:14:46,486 INFO L189 CegarLoopUtils]: For program point L147-2(lines 147 155) no Hoare annotation was computed. [2021-01-06 19:14:46,487 INFO L189 CegarLoopUtils]: For program point L147-3(lines 147 155) no Hoare annotation was computed. [2021-01-06 19:14:46,487 INFO L189 CegarLoopUtils]: For program point L147-4(lines 147 155) no Hoare annotation was computed. [2021-01-06 19:14:46,487 INFO L189 CegarLoopUtils]: For program point L147-5(lines 147 155) no Hoare annotation was computed. [2021-01-06 19:14:46,487 INFO L185 CegarLoopUtils]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:46,487 INFO L185 CegarLoopUtils]: At program point L118(lines 118 124) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2021-01-06 19:14:46,487 INFO L185 CegarLoopUtils]: At program point L118-1(lines 118 124) the Hoare annotation is: false [2021-01-06 19:14:46,487 INFO L185 CegarLoopUtils]: At program point L118-2(lines 118 124) the Hoare annotation is: false [2021-01-06 19:14:46,488 INFO L189 CegarLoopUtils]: For program point L911(lines 911 915) no Hoare annotation was computed. [2021-01-06 19:14:46,488 INFO L185 CegarLoopUtils]: At program point L482(lines 111 117) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 .cse3))) [2021-01-06 19:14:46,488 INFO L185 CegarLoopUtils]: At program point L482-1(lines 111 117) the Hoare annotation is: false [2021-01-06 19:14:46,488 INFO L185 CegarLoopUtils]: At program point L482-2(lines 111 117) the Hoare annotation is: false [2021-01-06 19:14:46,488 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:14:46,488 INFO L189 CegarLoopUtils]: For program point L384(lines 384 391) no Hoare annotation was computed. [2021-01-06 19:14:46,488 INFO L192 CegarLoopUtils]: At program point L384-1(lines 384 391) the Hoare annotation is: true [2021-01-06 19:14:46,489 INFO L189 CegarLoopUtils]: For program point L285(lines 285 291) no Hoare annotation was computed. [2021-01-06 19:14:46,489 INFO L185 CegarLoopUtils]: At program point L285-1(lines 285 291) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-01-06 19:14:46,489 INFO L189 CegarLoopUtils]: For program point L418(lines 418 424) no Hoare annotation was computed. [2021-01-06 19:14:46,489 INFO L185 CegarLoopUtils]: At program point L418-1(lines 418 424) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2021-01-06 19:14:46,489 INFO L185 CegarLoopUtils]: At program point L222(lines 217 225) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (or (<= ~waterLevel~0 1) .cse2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 0 ~systemActive~0) .cse6 .cse7 .cse4) (and .cse5 .cse3 .cse6 .cse7 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse3 .cse4)))) [2021-01-06 19:14:46,490 INFO L185 CegarLoopUtils]: At program point L222-1(lines 217 225) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 .cse3))) [2021-01-06 19:14:46,490 INFO L185 CegarLoopUtils]: At program point L222-2(lines 217 225) the Hoare annotation is: false [2021-01-06 19:14:46,490 INFO L185 CegarLoopUtils]: At program point L222-3(lines 217 225) the Hoare annotation is: false [2021-01-06 19:14:46,490 INFO L185 CegarLoopUtils]: At program point L222-4(lines 217 225) the Hoare annotation is: false [2021-01-06 19:14:46,490 INFO L185 CegarLoopUtils]: At program point L222-5(lines 217 225) the Hoare annotation is: false [2021-01-06 19:14:46,490 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:14:46,490 INFO L185 CegarLoopUtils]: At program point L456(lines 407 457) the Hoare annotation is: false [2021-01-06 19:14:46,491 INFO L185 CegarLoopUtils]: At program point L358(lines 354 360) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:46,491 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:14:46,491 INFO L189 CegarLoopUtils]: For program point L887(lines 887 891) no Hoare annotation was computed. [2021-01-06 19:14:46,491 INFO L189 CegarLoopUtils]: For program point L887-3(lines 887 891) no Hoare annotation was computed. [2021-01-06 19:14:46,491 INFO L189 CegarLoopUtils]: For program point L887-6(lines 887 891) no Hoare annotation was computed. [2021-01-06 19:14:46,491 INFO L192 CegarLoopUtils]: At program point L393(lines 374 396) the Hoare annotation is: true [2021-01-06 19:14:46,491 INFO L189 CegarLoopUtils]: For program point L493(lines 493 510) no Hoare annotation was computed. [2021-01-06 19:14:46,492 INFO L185 CegarLoopUtils]: At program point L493-1(lines 1 973) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse5)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3) (and .cse4 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~5 2) .cse5 .cse1 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2))))) [2021-01-06 19:14:46,492 INFO L189 CegarLoopUtils]: For program point L493-2(lines 493 510) no Hoare annotation was computed. [2021-01-06 19:14:46,492 INFO L185 CegarLoopUtils]: At program point L493-3(lines 1 973) the Hoare annotation is: false [2021-01-06 19:14:46,492 INFO L189 CegarLoopUtils]: For program point L493-4(lines 493 510) no Hoare annotation was computed. [2021-01-06 19:14:46,492 INFO L185 CegarLoopUtils]: At program point L493-5(lines 1 973) the Hoare annotation is: false [2021-01-06 19:14:46,492 INFO L185 CegarLoopUtils]: At program point L956(lines 951 959) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse5)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse1 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2))))) [2021-01-06 19:14:46,493 INFO L185 CegarLoopUtils]: At program point L956-1(lines 951 959) the Hoare annotation is: false [2021-01-06 19:14:46,493 INFO L185 CegarLoopUtils]: At program point L956-2(lines 951 959) the Hoare annotation is: false [2021-01-06 19:14:46,493 INFO L189 CegarLoopUtils]: For program point L428(lines 428 434) no Hoare annotation was computed. [2021-01-06 19:14:46,493 INFO L185 CegarLoopUtils]: At program point L428-1(lines 428 434) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2021-01-06 19:14:46,493 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:14:46,493 INFO L185 CegarLoopUtils]: At program point L924(lines 919 927) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-01-06 19:14:46,493 INFO L185 CegarLoopUtils]: At program point L924-1(lines 919 927) the Hoare annotation is: false [2021-01-06 19:14:46,494 INFO L185 CegarLoopUtils]: At program point L924-2(lines 919 927) the Hoare annotation is: false [2021-01-06 19:14:46,494 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-01-06 19:14:46,494 INFO L189 CegarLoopUtils]: For program point L497(lines 497 507) no Hoare annotation was computed. [2021-01-06 19:14:46,494 INFO L189 CegarLoopUtils]: For program point L497-2(lines 497 507) no Hoare annotation was computed. [2021-01-06 19:14:46,494 INFO L189 CegarLoopUtils]: For program point L497-4(lines 497 507) no Hoare annotation was computed. [2021-01-06 19:14:46,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:14:46 BoogieIcfgContainer [2021-01-06 19:14:46,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:14:46,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:14:46,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:14:46,531 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:14:46,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:39" (3/4) ... [2021-01-06 19:14:46,536 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:14:46,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:14:46,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:14:46,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:14:46,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:14:46,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:14:46,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:46,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:46,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && tmp == 2) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2021-01-06 19:14:46,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:46,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:46,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:46,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:46,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:46,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:46,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:46,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2021-01-06 19:14:46,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2021-01-06 19:14:46,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2021-01-06 19:14:46,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:14:46,613 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:46,614 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) [2021-01-06 19:14:46,706 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product39.cil.c-witness.graphml [2021-01-06 19:14:46,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:14:46,707 INFO L168 Benchmark]: Toolchain (without parser) took 9369.95 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 125.4 MB in the beginning and 123.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 70.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:46,707 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:14:46,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.40 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 103.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:46,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.96 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 132.5 MB in the end (delta: -29.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:46,708 INFO L168 Benchmark]: Boogie Preprocessor took 55.77 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 129.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:46,709 INFO L168 Benchmark]: RCFGBuilder took 1347.44 ms. Allocated memory is still 151.0 MB. Free memory was 129.8 MB in the beginning and 66.9 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:46,709 INFO L168 Benchmark]: TraceAbstraction took 6959.02 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 66.4 MB in the beginning and 134.0 MB in the end (delta: -67.6 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:46,710 INFO L168 Benchmark]: Witness Printer took 179.05 ms. Allocated memory is still 218.1 MB. Free memory was 134.0 MB in the beginning and 123.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:46,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 689.40 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 103.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 129.96 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 132.5 MB in the end (delta: -29.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 55.77 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 129.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1347.44 ms. Allocated memory is still 151.0 MB. Free memory was 129.8 MB in the beginning and 66.9 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6959.02 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 66.4 MB in the beginning and 134.0 MB in the end (delta: -67.6 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * Witness Printer took 179.05 ms. Allocated memory is still 218.1 MB. Free memory was 134.0 MB in the beginning and 123.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && tmp == 2) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1151 SDtfs, 1254 SDslu, 1631 SDs, 0 SdLazy, 268 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 886 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 191 NumberOfFragments, 896 HoareAnnotationTreeSize, 51 FomulaSimplifications, 53167 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 6767 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 425 NumberOfCodeBlocks, 425 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 34808 SizeOfPredicates, 3 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 29/47 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...