/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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:20:51,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:20:51,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:20:51,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:20:51,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:20:51,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:20:51,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:20:51,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:20:51,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:20:51,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:20:51,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:20:51,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:20:51,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:20:51,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:20:51,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:20:51,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:20:51,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:20:51,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:20:51,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:20:51,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:20:51,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:20:51,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:20:51,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:20:51,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:20:51,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:20:51,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:20:51,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:20:51,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:20:51,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:20:51,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:20:51,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:20:51,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:20:51,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:20:51,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:20:51,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:20:51,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:20:51,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:20:51,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:20:51,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:20:51,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:20:51,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:20:51,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:20:51,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:20:51,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:20:51,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:20:51,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:20:51,875 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:20:51,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:20:51,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:20:51,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:20:51,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:20:51,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:20:51,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:20:51,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:20:51,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:20:51,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:20:51,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:20:51,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:20:51,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:20:51,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:20:51,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:20:51,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:20:51,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:20:51,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:20:51,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:20:51,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:20:51,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:20:51,880 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:20:52,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:20:52,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:20:52,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:20:52,309 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:20:52,309 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:20:52,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2020-12-23 09:20:52,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f5f69abaa/019acaae96ce403687ca65f63a6b90c4/FLAG7094de7da [2020-12-23 09:20:53,215 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:20:53,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2020-12-23 09:20:53,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f5f69abaa/019acaae96ce403687ca65f63a6b90c4/FLAG7094de7da [2020-12-23 09:20:53,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f5f69abaa/019acaae96ce403687ca65f63a6b90c4 [2020-12-23 09:20:53,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:20:53,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:20:53,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:53,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:20:53,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:20:53,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fdf948c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53, skipping insertion in model container [2020-12-23 09:20:53,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:20:53,605 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2020-12-23 09:20:53,834 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_product37.cil.c[4747,4760] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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~9,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2020-12-23 09:20:53,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:54,011 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2020-12-23 09:20:54,047 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_product37.cil.c[4747,4760] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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~9,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2020-12-23 09:20:54,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:54,208 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:20:54,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54 WrapperNode [2020-12-23 09:20:54,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:54,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:54,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:20:54,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:20:54,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (1/1) ... [2020-12-23 09:20:54,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (1/1) ... [2020-12-23 09:20:54,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:54,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:20:54,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:20:54,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:20:54,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (1/1) ... [2020-12-23 09:20:54,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (1/1) ... [2020-12-23 09:20:54,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (1/1) ... [2020-12-23 09:20:54,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (1/1) ... [2020-12-23 09:20:54,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (1/1) ... [2020-12-23 09:20:54,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (1/1) ... [2020-12-23 09:20:54,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (1/1) ... [2020-12-23 09:20:54,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:20:54,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:20:54,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:20:54,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:20:54,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (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 [2020-12-23 09:20:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:20:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:20:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:20:54,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:20:55,765 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:20:55,765 INFO L299 CfgBuilder]: Removed 170 assume(true) statements. [2020-12-23 09:20:55,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:55 BoogieIcfgContainer [2020-12-23 09:20:55,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:20:55,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:20:55,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:20:55,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:20:55,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:20:53" (1/3) ... [2020-12-23 09:20:55,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ddc595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:55, skipping insertion in model container [2020-12-23 09:20:55,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:54" (2/3) ... [2020-12-23 09:20:55,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ddc595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:55, skipping insertion in model container [2020-12-23 09:20:55,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:55" (3/3) ... [2020-12-23 09:20:55,784 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-12-23 09:20:55,792 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:20:55,798 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:20:55,820 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:20:55,851 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:20:55,851 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:20:55,851 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:20:55,851 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:20:55,851 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:20:55,852 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:20:55,852 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:20:55,852 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:20:55,872 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-12-23 09:20:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 09:20:55,880 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:55,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:20:55,882 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:55,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:55,889 INFO L82 PathProgramCache]: Analyzing trace with hash -2044768007, now seen corresponding path program 1 times [2020-12-23 09:20:55,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:55,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843594318] [2020-12-23 09:20:55,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:56,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843594318] [2020-12-23 09:20:56,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:56,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:56,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356219284] [2020-12-23 09:20:56,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:20:56,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:56,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:20:56,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:20:56,326 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-12-23 09:20:56,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:56,368 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2020-12-23 09:20:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:20:56,370 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-23 09:20:56,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:56,412 INFO L225 Difference]: With dead ends: 233 [2020-12-23 09:20:56,412 INFO L226 Difference]: Without dead ends: 116 [2020-12-23 09:20:56,418 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 [2020-12-23 09:20:56,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-23 09:20:56,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-23 09:20:56,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-23 09:20:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2020-12-23 09:20:56,487 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2020-12-23 09:20:56,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:56,487 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2020-12-23 09:20:56,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:20:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2020-12-23 09:20:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 09:20:56,489 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:56,489 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] [2020-12-23 09:20:56,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:20:56,490 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:56,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:56,491 INFO L82 PathProgramCache]: Analyzing trace with hash -238748454, now seen corresponding path program 1 times [2020-12-23 09:20:56,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:56,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170413856] [2020-12-23 09:20:56,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:56,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170413856] [2020-12-23 09:20:56,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:56,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:56,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097891653] [2020-12-23 09:20:56,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:56,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:56,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:56,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:56,653 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2020-12-23 09:20:56,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:56,670 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2020-12-23 09:20:56,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:56,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-23 09:20:56,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:56,672 INFO L225 Difference]: With dead ends: 116 [2020-12-23 09:20:56,672 INFO L226 Difference]: Without dead ends: 49 [2020-12-23 09:20:56,674 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 [2020-12-23 09:20:56,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-23 09:20:56,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-23 09:20:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-23 09:20:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-12-23 09:20:56,682 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2020-12-23 09:20:56,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:56,682 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-12-23 09:20:56,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:56,682 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-12-23 09:20:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:20:56,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:56,684 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] [2020-12-23 09:20:56,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:20:56,684 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:56,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:56,685 INFO L82 PathProgramCache]: Analyzing trace with hash 2013244568, now seen corresponding path program 1 times [2020-12-23 09:20:56,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:56,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948005882] [2020-12-23 09:20:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:56,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948005882] [2020-12-23 09:20:56,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:56,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:56,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525777304] [2020-12-23 09:20:56,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:56,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:56,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:56,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:56,827 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-12-23 09:20:56,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:56,853 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-12-23 09:20:56,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:56,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-23 09:20:56,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:56,859 INFO L225 Difference]: With dead ends: 91 [2020-12-23 09:20:56,859 INFO L226 Difference]: Without dead ends: 49 [2020-12-23 09:20:56,863 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 [2020-12-23 09:20:56,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-23 09:20:56,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-23 09:20:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-23 09:20:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2020-12-23 09:20:56,875 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2020-12-23 09:20:56,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:56,880 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2020-12-23 09:20:56,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2020-12-23 09:20:56,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 09:20:56,881 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:56,881 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] [2020-12-23 09:20:56,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:20:56,883 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:56,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:56,884 INFO L82 PathProgramCache]: Analyzing trace with hash -997731729, now seen corresponding path program 1 times [2020-12-23 09:20:56,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:56,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977912959] [2020-12-23 09:20:56,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:56,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977912959] [2020-12-23 09:20:56,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:56,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:56,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409216070] [2020-12-23 09:20:56,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:56,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:56,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:56,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:56,994 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2020-12-23 09:20:57,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:57,035 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2020-12-23 09:20:57,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:57,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-23 09:20:57,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:57,037 INFO L225 Difference]: With dead ends: 115 [2020-12-23 09:20:57,037 INFO L226 Difference]: Without dead ends: 73 [2020-12-23 09:20:57,038 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 [2020-12-23 09:20:57,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-23 09:20:57,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2020-12-23 09:20:57,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-23 09:20:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-12-23 09:20:57,048 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2020-12-23 09:20:57,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:57,049 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-12-23 09:20:57,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:57,049 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-12-23 09:20:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:20:57,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:57,050 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] [2020-12-23 09:20:57,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:20:57,051 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:57,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:57,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1921834210, now seen corresponding path program 1 times [2020-12-23 09:20:57,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:57,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886194892] [2020-12-23 09:20:57,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:57,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886194892] [2020-12-23 09:20:57,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:57,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:57,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63205952] [2020-12-23 09:20:57,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:57,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:57,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:57,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:57,180 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2020-12-23 09:20:57,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:57,332 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2020-12-23 09:20:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:57,333 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 09:20:57,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:57,335 INFO L225 Difference]: With dead ends: 190 [2020-12-23 09:20:57,335 INFO L226 Difference]: Without dead ends: 126 [2020-12-23 09:20:57,336 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 [2020-12-23 09:20:57,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-12-23 09:20:57,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2020-12-23 09:20:57,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-23 09:20:57,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2020-12-23 09:20:57,347 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2020-12-23 09:20:57,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:57,347 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2020-12-23 09:20:57,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2020-12-23 09:20:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:20:57,349 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:57,349 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] [2020-12-23 09:20:57,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:20:57,349 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:57,350 INFO L82 PathProgramCache]: Analyzing trace with hash -988370501, now seen corresponding path program 1 times [2020-12-23 09:20:57,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:57,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044059149] [2020-12-23 09:20:57,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:57,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:57,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044059149] [2020-12-23 09:20:57,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:57,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:57,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881746768] [2020-12-23 09:20:57,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:57,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:57,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:57,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:57,426 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2020-12-23 09:20:57,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:57,579 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2020-12-23 09:20:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:20:57,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 09:20:57,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:57,581 INFO L225 Difference]: With dead ends: 260 [2020-12-23 09:20:57,582 INFO L226 Difference]: Without dead ends: 190 [2020-12-23 09:20:57,583 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 [2020-12-23 09:20:57,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-12-23 09:20:57,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2020-12-23 09:20:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-23 09:20:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2020-12-23 09:20:57,596 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2020-12-23 09:20:57,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:57,596 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2020-12-23 09:20:57,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2020-12-23 09:20:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:20:57,598 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:57,598 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] [2020-12-23 09:20:57,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:20:57,598 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:57,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:57,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1220769632, now seen corresponding path program 1 times [2020-12-23 09:20:57,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:57,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8371821] [2020-12-23 09:20:57,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:57,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8371821] [2020-12-23 09:20:57,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:57,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:57,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260601647] [2020-12-23 09:20:57,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:57,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:57,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:57,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:57,711 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 5 states. [2020-12-23 09:20:57,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:57,798 INFO L93 Difference]: Finished difference Result 199 states and 267 transitions. [2020-12-23 09:20:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:57,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 09:20:57,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:57,802 INFO L225 Difference]: With dead ends: 199 [2020-12-23 09:20:57,802 INFO L226 Difference]: Without dead ends: 130 [2020-12-23 09:20:57,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:20:57,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-12-23 09:20:57,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 80. [2020-12-23 09:20:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-23 09:20:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2020-12-23 09:20:57,829 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2020-12-23 09:20:57,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:57,830 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2020-12-23 09:20:57,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:57,830 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2020-12-23 09:20:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:20:57,837 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:57,837 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] [2020-12-23 09:20:57,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:20:57,837 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:57,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:57,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1807575646, now seen corresponding path program 1 times [2020-12-23 09:20:57,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:57,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391979021] [2020-12-23 09:20:57,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:57,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391979021] [2020-12-23 09:20:57,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:57,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:57,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175355255] [2020-12-23 09:20:57,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:57,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:57,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:57,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:57,913 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2020-12-23 09:20:57,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:57,943 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2020-12-23 09:20:57,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:57,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-23 09:20:57,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:57,945 INFO L225 Difference]: With dead ends: 181 [2020-12-23 09:20:57,945 INFO L226 Difference]: Without dead ends: 108 [2020-12-23 09:20:57,947 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 [2020-12-23 09:20:57,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-23 09:20:57,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-12-23 09:20:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-12-23 09:20:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2020-12-23 09:20:57,960 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2020-12-23 09:20:57,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:57,962 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2020-12-23 09:20:57,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2020-12-23 09:20:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 09:20:57,964 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:57,964 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] [2020-12-23 09:20:57,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:20:57,965 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:57,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:57,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1091445474, now seen corresponding path program 1 times [2020-12-23 09:20:57,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:57,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987086736] [2020-12-23 09:20:57,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:58,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987086736] [2020-12-23 09:20:58,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:58,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:20:58,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164863006] [2020-12-23 09:20:58,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:20:58,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:58,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:20:58,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:20:58,145 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 7 states. [2020-12-23 09:20:58,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:58,483 INFO L93 Difference]: Finished difference Result 512 states and 685 transitions. [2020-12-23 09:20:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 09:20:58,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-12-23 09:20:58,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:58,487 INFO L225 Difference]: With dead ends: 512 [2020-12-23 09:20:58,487 INFO L226 Difference]: Without dead ends: 439 [2020-12-23 09:20:58,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:20:58,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-12-23 09:20:58,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 186. [2020-12-23 09:20:58,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-12-23 09:20:58,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2020-12-23 09:20:58,528 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 35 [2020-12-23 09:20:58,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:58,529 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2020-12-23 09:20:58,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:20:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2020-12-23 09:20:58,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 09:20:58,532 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:58,532 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] [2020-12-23 09:20:58,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:20:58,533 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:58,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:58,533 INFO L82 PathProgramCache]: Analyzing trace with hash -365209503, now seen corresponding path program 1 times [2020-12-23 09:20:58,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:58,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633321176] [2020-12-23 09:20:58,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:58,653 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:58,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633321176] [2020-12-23 09:20:58,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728865913] [2020-12-23 09:20:58,654 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 [2020-12-23 09:20:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:58,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 09:20:58,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:20:59,028 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:59,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:20:59,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-23 09:20:59,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552578375] [2020-12-23 09:20:59,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:20:59,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:59,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:20:59,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:20:59,031 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand 8 states. [2020-12-23 09:20:59,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:59,257 INFO L93 Difference]: Finished difference Result 426 states and 570 transitions. [2020-12-23 09:20:59,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:20:59,258 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-12-23 09:20:59,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:59,259 INFO L225 Difference]: With dead ends: 426 [2020-12-23 09:20:59,259 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:20:59,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:20:59,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:20:59,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:20:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:20:59,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:20:59,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-12-23 09:20:59,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:59,262 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:20:59,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:20:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:20:59,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:20:59,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:20:59,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:20:59,698 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 37 [2020-12-23 09:21:00,341 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 20 [2020-12-23 09:21:00,476 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2020-12-23 09:21:00,660 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2020-12-23 09:21:00,839 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-12-23 09:21:01,012 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2020-12-23 09:21:01,232 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2020-12-23 09:21:01,397 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 301) no Hoare annotation was computed. [2020-12-23 09:21:01,397 INFO L189 CegarLoopUtils]: For program point L301(line 301) no Hoare annotation was computed. [2020-12-23 09:21:01,397 INFO L189 CegarLoopUtils]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-12-23 09:21:01,397 INFO L189 CegarLoopUtils]: For program point L301-2(line 301) no Hoare annotation was computed. [2020-12-23 09:21:01,398 INFO L189 CegarLoopUtils]: For program point L500(lines 499 544) no Hoare annotation was computed. [2020-12-23 09:21:01,400 INFO L185 CegarLoopUtils]: At program point L137(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:01,400 INFO L185 CegarLoopUtils]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-12-23 09:21:01,400 INFO L185 CegarLoopUtils]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:01,400 INFO L185 CegarLoopUtils]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:01,400 INFO L185 CegarLoopUtils]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:01,400 INFO L185 CegarLoopUtils]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:01,401 INFO L189 CegarLoopUtils]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-12-23 09:21:01,401 INFO L189 CegarLoopUtils]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-12-23 09:21:01,401 INFO L189 CegarLoopUtils]: For program point L535-2(lines 529 540) no Hoare annotation was computed. [2020-12-23 09:21:01,401 INFO L189 CegarLoopUtils]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-12-23 09:21:01,401 INFO L185 CegarLoopUtils]: At program point L172-1(lines 1 953) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse3 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2))) [2020-12-23 09:21:01,401 INFO L189 CegarLoopUtils]: For program point L172-2(lines 172 189) no Hoare annotation was computed. [2020-12-23 09:21:01,402 INFO L185 CegarLoopUtils]: At program point L172-3(lines 1 953) the Hoare annotation is: false [2020-12-23 09:21:01,402 INFO L189 CegarLoopUtils]: For program point L172-4(lines 172 189) no Hoare annotation was computed. [2020-12-23 09:21:01,402 INFO L185 CegarLoopUtils]: At program point L172-5(lines 1 953) the Hoare annotation is: false [2020-12-23 09:21:01,402 INFO L185 CegarLoopUtils]: At program point L206-2(lines 206 220) the Hoare annotation is: false [2020-12-23 09:21:01,403 INFO L189 CegarLoopUtils]: For program point L207(line 207) no Hoare annotation was computed. [2020-12-23 09:21:01,403 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 301) no Hoare annotation was computed. [2020-12-23 09:21:01,403 INFO L189 CegarLoopUtils]: For program point L176(lines 176 186) no Hoare annotation was computed. [2020-12-23 09:21:01,404 INFO L189 CegarLoopUtils]: For program point L176-2(lines 176 186) no Hoare annotation was computed. [2020-12-23 09:21:01,404 INFO L189 CegarLoopUtils]: For program point L176-4(lines 176 186) no Hoare annotation was computed. [2020-12-23 09:21:01,404 INFO L189 CegarLoopUtils]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-12-23 09:21:01,404 INFO L189 CegarLoopUtils]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-12-23 09:21:01,404 INFO L189 CegarLoopUtils]: For program point L210-1(lines 210 214) no Hoare annotation was computed. [2020-12-23 09:21:01,404 INFO L189 CegarLoopUtils]: For program point L177-2(lines 177 183) no Hoare annotation was computed. [2020-12-23 09:21:01,405 INFO L189 CegarLoopUtils]: For program point L177-4(lines 177 183) no Hoare annotation was computed. [2020-12-23 09:21:01,405 INFO L189 CegarLoopUtils]: For program point L376(lines 376 393) no Hoare annotation was computed. [2020-12-23 09:21:01,405 INFO L189 CegarLoopUtils]: For program point L376-1(lines 376 393) no Hoare annotation was computed. [2020-12-23 09:21:01,406 INFO L189 CegarLoopUtils]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2020-12-23 09:21:01,406 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-12-23 09:21:01,407 INFO L189 CegarLoopUtils]: For program point L509(lines 509 515) no Hoare annotation was computed. [2020-12-23 09:21:01,407 INFO L185 CegarLoopUtils]: At program point L509-1(lines 509 515) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2020-12-23 09:21:01,407 INFO L185 CegarLoopUtils]: At program point L576(lines 1 953) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:21:01,407 INFO L189 CegarLoopUtils]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,407 INFO L189 CegarLoopUtils]: For program point L478-2(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,408 INFO L189 CegarLoopUtils]: For program point L478-3(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,408 INFO L189 CegarLoopUtils]: For program point L478-5(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,408 INFO L189 CegarLoopUtils]: For program point L478-6(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,408 INFO L189 CegarLoopUtils]: For program point L478-8(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,408 INFO L189 CegarLoopUtils]: For program point L478-9(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,408 INFO L189 CegarLoopUtils]: For program point L478-11(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,408 INFO L189 CegarLoopUtils]: For program point L478-12(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,408 INFO L189 CegarLoopUtils]: For program point L478-14(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,409 INFO L189 CegarLoopUtils]: For program point L478-15(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,409 INFO L189 CegarLoopUtils]: For program point L478-17(lines 478 482) no Hoare annotation was computed. [2020-12-23 09:21:01,409 INFO L185 CegarLoopUtils]: At program point L545(lines 498 546) the Hoare annotation is: false [2020-12-23 09:21:01,409 INFO L189 CegarLoopUtils]: For program point L380(lines 380 388) no Hoare annotation was computed. [2020-12-23 09:21:01,409 INFO L189 CegarLoopUtils]: For program point L380-1(lines 380 388) no Hoare annotation was computed. [2020-12-23 09:21:01,409 INFO L189 CegarLoopUtils]: For program point L380-2(lines 380 388) no Hoare annotation was computed. [2020-12-23 09:21:01,409 INFO L189 CegarLoopUtils]: For program point L283(lines 283 290) no Hoare annotation was computed. [2020-12-23 09:21:01,409 INFO L192 CegarLoopUtils]: At program point L283-1(lines 283 290) the Hoare annotation is: true [2020-12-23 09:21:01,410 INFO L185 CegarLoopUtils]: At program point L151(lines 146 153) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:21:01,411 INFO L189 CegarLoopUtils]: For program point L350(lines 350 367) no Hoare annotation was computed. [2020-12-23 09:21:01,411 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:21:01,411 INFO L189 CegarLoopUtils]: For program point L350-1(lines 350 367) no Hoare annotation was computed. [2020-12-23 09:21:01,411 INFO L189 CegarLoopUtils]: For program point L350-2(lines 350 367) no Hoare annotation was computed. [2020-12-23 09:21:01,411 INFO L189 CegarLoopUtils]: For program point L350-3(lines 350 367) no Hoare annotation was computed. [2020-12-23 09:21:01,411 INFO L189 CegarLoopUtils]: For program point L350-4(lines 350 367) no Hoare annotation was computed. [2020-12-23 09:21:01,411 INFO L189 CegarLoopUtils]: For program point L350-5(lines 350 367) no Hoare annotation was computed. [2020-12-23 09:21:01,412 INFO L185 CegarLoopUtils]: At program point L318(lines 314 336) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2020-12-23 09:21:01,412 INFO L185 CegarLoopUtils]: At program point L318-1(lines 314 336) the Hoare annotation is: false [2020-12-23 09:21:01,412 INFO L185 CegarLoopUtils]: At program point L318-2(lines 314 336) the Hoare annotation is: false [2020-12-23 09:21:01,412 INFO L185 CegarLoopUtils]: At program point L484(lines 469 487) the Hoare annotation is: false [2020-12-23 09:21:01,412 INFO L185 CegarLoopUtils]: At program point L484-1(lines 469 487) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-12-23 09:21:01,412 INFO L185 CegarLoopUtils]: At program point L484-2(lines 469 487) the Hoare annotation is: false [2020-12-23 09:21:01,413 INFO L185 CegarLoopUtils]: At program point L484-3(lines 469 487) the Hoare annotation is: false [2020-12-23 09:21:01,413 INFO L185 CegarLoopUtils]: At program point L484-4(lines 469 487) the Hoare annotation is: false [2020-12-23 09:21:01,413 INFO L185 CegarLoopUtils]: At program point L484-5(lines 469 487) the Hoare annotation is: false [2020-12-23 09:21:01,413 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-12-23 09:21:01,413 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-12-23 09:21:01,413 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-12-23 09:21:01,414 INFO L185 CegarLoopUtils]: At program point L584(lines 579 587) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:21:01,414 INFO L189 CegarLoopUtils]: For program point L519(lines 519 525) no Hoare annotation was computed. [2020-12-23 09:21:01,414 INFO L185 CegarLoopUtils]: At program point L519-1(lines 519 525) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2020-12-23 09:21:01,414 INFO L185 CegarLoopUtils]: At program point L420(lines 413 423) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) [2020-12-23 09:21:01,415 INFO L185 CegarLoopUtils]: At program point L420-1(lines 413 423) the Hoare annotation is: false [2020-12-23 09:21:01,415 INFO L189 CegarLoopUtils]: For program point L354(lines 354 362) no Hoare annotation was computed. [2020-12-23 09:21:01,415 INFO L185 CegarLoopUtils]: At program point L420-2(lines 413 423) the Hoare annotation is: false [2020-12-23 09:21:01,415 INFO L189 CegarLoopUtils]: For program point L354-1(lines 354 362) no Hoare annotation was computed. [2020-12-23 09:21:01,416 INFO L189 CegarLoopUtils]: For program point L354-2(lines 354 362) no Hoare annotation was computed. [2020-12-23 09:21:01,416 INFO L185 CegarLoopUtils]: At program point L255(lines 251 257) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:21:01,416 INFO L189 CegarLoopUtils]: For program point L354-3(lines 354 362) no Hoare annotation was computed. [2020-12-23 09:21:01,416 INFO L189 CegarLoopUtils]: For program point L354-4(lines 354 362) no Hoare annotation was computed. [2020-12-23 09:21:01,416 INFO L189 CegarLoopUtils]: For program point L354-5(lines 354 362) no Hoare annotation was computed. [2020-12-23 09:21:01,416 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:21:01,416 INFO L185 CegarLoopUtils]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2020-12-23 09:21:01,417 INFO L185 CegarLoopUtils]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-12-23 09:21:01,417 INFO L185 CegarLoopUtils]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-12-23 09:21:01,418 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) [2020-12-23 09:21:01,418 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:01,418 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:01,419 INFO L185 CegarLoopUtils]: At program point L325(lines 325 331) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3))) [2020-12-23 09:21:01,419 INFO L185 CegarLoopUtils]: At program point L325-1(lines 325 331) the Hoare annotation is: false [2020-12-23 09:21:01,422 INFO L192 CegarLoopUtils]: At program point L292(lines 273 295) the Hoare annotation is: true [2020-12-23 09:21:01,422 INFO L185 CegarLoopUtils]: At program point L325-2(lines 325 331) the Hoare annotation is: false [2020-12-23 09:21:01,422 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:21:01,422 INFO L185 CegarLoopUtils]: At program point L161(lines 318 324) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-12-23 09:21:01,423 INFO L185 CegarLoopUtils]: At program point L161-1(lines 318 324) the Hoare annotation is: false [2020-12-23 09:21:01,423 INFO L185 CegarLoopUtils]: At program point L161-2(lines 318 324) the Hoare annotation is: false [2020-12-23 09:21:01,423 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:21:01,423 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 301) no Hoare annotation was computed. [2020-12-23 09:21:01,423 INFO L185 CegarLoopUtils]: At program point L429(lines 424 432) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse4) (and .cse1 .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-23 09:21:01,423 INFO L185 CegarLoopUtils]: At program point L429-1(lines 424 432) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-12-23 09:21:01,424 INFO L185 CegarLoopUtils]: At program point L429-2(lines 424 432) the Hoare annotation is: false [2020-12-23 09:21:01,424 INFO L185 CegarLoopUtils]: At program point L429-3(lines 424 432) the Hoare annotation is: false [2020-12-23 09:21:01,424 INFO L185 CegarLoopUtils]: At program point L429-4(lines 424 432) the Hoare annotation is: false [2020-12-23 09:21:01,424 INFO L185 CegarLoopUtils]: At program point L429-5(lines 424 432) the Hoare annotation is: false [2020-12-23 09:21:01,424 INFO L189 CegarLoopUtils]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:01,424 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:01,424 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:01,424 INFO L189 CegarLoopUtils]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:01,424 INFO L189 CegarLoopUtils]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:01,425 INFO L189 CegarLoopUtils]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:01,425 INFO L189 CegarLoopUtils]: For program point L529(lines 529 540) no Hoare annotation was computed. [2020-12-23 09:21:01,425 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-23 09:21:01,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:21:01 BoogieIcfgContainer [2020-12-23 09:21:01,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:21:01,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:21:01,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:21:01,488 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:21:01,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:55" (3/4) ... [2020-12-23 09:21:01,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:21:01,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:21:01,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:21:01,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:21:01,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:21:01,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:21:01,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:01,535 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:01,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-23 09:21:01,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-23 09:21:01,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-23 09:21:01,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-23 09:21:01,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-23 09:21:01,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-23 09:21:01,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-23 09:21:01,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-23 09:21:01,582 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 [2020-12-23 09:21:01,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 [2020-12-23 09:21:01,587 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-23 09:21:01,588 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-23 09:21:01,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-23 09:21:01,727 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product37.cil.c-witness.graphml [2020-12-23 09:21:01,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:21:01,729 INFO L168 Benchmark]: Toolchain (without parser) took 8187.36 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 125.5 MB in the beginning and 183.1 MB in the end (delta: -57.6 MB). Peak memory consumption was 19.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:01,729 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:21:01,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.93 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 103.4 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:01,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.81 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 99.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:01,730 INFO L168 Benchmark]: Boogie Preprocessor took 114.45 ms. Allocated memory is still 151.0 MB. Free memory was 99.6 MB in the beginning and 131.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:01,731 INFO L168 Benchmark]: RCFGBuilder took 1350.67 ms. Allocated memory is still 151.0 MB. Free memory was 131.8 MB in the beginning and 68.9 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:01,731 INFO L168 Benchmark]: TraceAbstraction took 5715.11 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 68.3 MB in the beginning and 193.6 MB in the end (delta: -125.2 MB). Peak memory consumption was 70.9 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:01,732 INFO L168 Benchmark]: Witness Printer took 240.11 ms. Allocated memory is still 226.5 MB. Free memory was 193.6 MB in the beginning and 183.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:01,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 663.93 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 103.4 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 85.81 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 99.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 114.45 ms. Allocated memory is still 151.0 MB. Free memory was 99.6 MB in the beginning and 131.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1350.67 ms. Allocated memory is still 151.0 MB. Free memory was 131.8 MB in the beginning and 68.9 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5715.11 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 68.3 MB in the beginning and 193.6 MB in the end (delta: -125.2 MB). Peak memory consumption was 70.9 MB. Max. memory is 8.0 GB. * Witness Printer took 240.11 ms. Allocated memory is still 226.5 MB. Free memory was 193.6 MB in the beginning and 183.1 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: 301]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 301]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 301]: 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: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: ((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1009 SDtfs, 1297 SDslu, 1326 SDs, 0 SdLazy, 235 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 468 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 141 NumberOfFragments, 607 HoareAnnotationTreeSize, 49 FomulaSimplifications, 51407 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 49 FomulaSimplificationsInter, 2477 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 29741 SizeOfPredicates, 3 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...