/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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:14:37,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:14:37,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:14:37,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:14:37,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:14:37,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:14:37,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:14:37,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:14:37,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:14:37,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:14:37,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:14:37,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:14:37,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:14:37,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:14:37,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:14:37,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:14:37,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:14:37,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:14:37,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:14:37,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:14:37,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:14:37,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:14:37,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:14:37,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:14:37,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:14:37,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:14:37,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:14:37,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:14:37,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:14:37,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:14:37,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:14:37,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:14:37,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:14:37,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:14:37,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:14:37,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:14:37,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:14:37,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:14:37,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:14:37,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:14:37,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:14:37,268 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:14:37,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:14:37,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:14:37,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:14:37,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:14:37,325 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:14:37,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:14:37,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:14:37,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:14:37,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:14:37,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:14:37,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:14:37,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:14:37,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:14:37,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:14:37,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:14:37,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:14:37,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:14:37,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:14:37,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:14:37,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:14:37,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:14:37,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:14:37,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:14:37,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:14:37,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:14:37,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:14:37,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:14:37,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:14:37,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:14:37,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:14:37,769 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:14:37,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2021-01-06 19:14:37,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7d1787c45/54b51dd4c51546cba547d5586ee8ecad/FLAG04f0a1c08 [2021-01-06 19:14:38,643 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:14:38,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2021-01-06 19:14:38,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7d1787c45/54b51dd4c51546cba547d5586ee8ecad/FLAG04f0a1c08 [2021-01-06 19:14:38,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7d1787c45/54b51dd4c51546cba547d5586ee8ecad [2021-01-06 19:14:38,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:14:38,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:14:38,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:14:38,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:14:38,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:14:38,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771c0a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:38, skipping insertion in model container [2021-01-06 19:14:38,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:14:38" (1/1) ... [2021-01-06 19:14:38,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:14:39,055 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~5,] 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~6,] 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~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] 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~5,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] [2021-01-06 19:14:39,481 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_product40.cil.c[16774,16787] 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[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:14:39,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:14:39,545 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~5,] 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~6,] 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~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] 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~5,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] [2021-01-06 19:14:39,675 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_product40.cil.c[16774,16787] 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[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:14:39,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:14:39,726 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:14:39,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39 WrapperNode [2021-01-06 19:14:39,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:14:39,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:14:39,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:14:39,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:14:39,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (1/1) ... [2021-01-06 19:14:39,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (1/1) ... [2021-01-06 19:14:39,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:14:39,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:14:39,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:14:39,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:14:39,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (1/1) ... [2021-01-06 19:14:39,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (1/1) ... [2021-01-06 19:14:39,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (1/1) ... [2021-01-06 19:14:39,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (1/1) ... [2021-01-06 19:14:39,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (1/1) ... [2021-01-06 19:14:39,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (1/1) ... [2021-01-06 19:14:39,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (1/1) ... [2021-01-06 19:14:39,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:14:39,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:14:39,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:14:39,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:14:39,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:14:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:14:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:14:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:14:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:14:41,201 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:14:41,201 INFO L299 CfgBuilder]: Removed 176 assume(true) statements. [2021-01-06 19:14:41,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:41 BoogieIcfgContainer [2021-01-06 19:14:41,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:14:41,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:14:41,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:14:41,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:14:41,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:14:38" (1/3) ... [2021-01-06 19:14:41,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528714be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:14:41, skipping insertion in model container [2021-01-06 19:14:41,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:39" (2/3) ... [2021-01-06 19:14:41,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528714be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:14:41, skipping insertion in model container [2021-01-06 19:14:41,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:41" (3/3) ... [2021-01-06 19:14:41,214 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2021-01-06 19:14:41,221 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:14:41,226 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:14:41,250 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:14:41,280 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:14:41,281 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:14:41,281 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:14:41,281 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:14:41,281 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:14:41,281 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:14:41,282 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:14:41,282 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:14:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2021-01-06 19:14:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:14:41,308 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:41,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:41,310 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:41,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:41,317 INFO L82 PathProgramCache]: Analyzing trace with hash -570084669, now seen corresponding path program 1 times [2021-01-06 19:14:41,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:41,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522989778] [2021-01-06 19:14:41,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:41,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522989778] [2021-01-06 19:14:41,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:41,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:41,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097365861] [2021-01-06 19:14:41,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:14:41,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:41,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:14:41,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:14:41,721 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2021-01-06 19:14:41,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:41,768 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2021-01-06 19:14:41,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:14:41,770 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-01-06 19:14:41,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:41,783 INFO L225 Difference]: With dead ends: 237 [2021-01-06 19:14:41,784 INFO L226 Difference]: Without dead ends: 118 [2021-01-06 19:14:41,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:14:41,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-01-06 19:14:41,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-01-06 19:14:41,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-01-06 19:14:41,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2021-01-06 19:14:41,845 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2021-01-06 19:14:41,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:41,845 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2021-01-06 19:14:41,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:14:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2021-01-06 19:14:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-01-06 19:14:41,847 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:41,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:41,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:14:41,848 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:41,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:41,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1235934884, now seen corresponding path program 1 times [2021-01-06 19:14:41,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:41,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779970028] [2021-01-06 19:14:41,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:42,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779970028] [2021-01-06 19:14:42,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:42,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:14:42,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111752983] [2021-01-06 19:14:42,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:42,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:42,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:42,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:42,017 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand 3 states. [2021-01-06 19:14:42,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:42,032 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2021-01-06 19:14:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:42,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-01-06 19:14:42,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:42,038 INFO L225 Difference]: With dead ends: 118 [2021-01-06 19:14:42,038 INFO L226 Difference]: Without dead ends: 51 [2021-01-06 19:14:42,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:42,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-01-06 19:14:42,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-01-06 19:14:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-01-06 19:14:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-01-06 19:14:42,048 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-01-06 19:14:42,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:42,048 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-01-06 19:14:42,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-01-06 19:14:42,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:14:42,050 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:42,050 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] [2021-01-06 19:14:42,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:14:42,050 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:42,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:42,051 INFO L82 PathProgramCache]: Analyzing trace with hash -807039390, now seen corresponding path program 1 times [2021-01-06 19:14:42,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:42,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640640581] [2021-01-06 19:14:42,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:42,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:42,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640640581] [2021-01-06 19:14:42,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:42,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:14:42,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358151551] [2021-01-06 19:14:42,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:42,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:42,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:42,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:42,218 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2021-01-06 19:14:42,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:42,287 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2021-01-06 19:14:42,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:42,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 19:14:42,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:42,291 INFO L225 Difference]: With dead ends: 139 [2021-01-06 19:14:42,292 INFO L226 Difference]: Without dead ends: 95 [2021-01-06 19:14:42,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:42,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-01-06 19:14:42,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2021-01-06 19:14:42,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-01-06 19:14:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2021-01-06 19:14:42,318 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2021-01-06 19:14:42,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:42,322 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2021-01-06 19:14:42,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2021-01-06 19:14:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-01-06 19:14:42,324 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:42,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:42,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:14:42,326 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:42,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:42,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1166251271, now seen corresponding path program 1 times [2021-01-06 19:14:42,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:42,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816048007] [2021-01-06 19:14:42,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:42,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816048007] [2021-01-06 19:14:42,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:42,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:42,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892287798] [2021-01-06 19:14:42,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:42,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:42,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:42,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:42,464 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand 3 states. [2021-01-06 19:14:42,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:42,550 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2021-01-06 19:14:42,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:42,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2021-01-06 19:14:42,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:42,557 INFO L225 Difference]: With dead ends: 222 [2021-01-06 19:14:42,557 INFO L226 Difference]: Without dead ends: 138 [2021-01-06 19:14:42,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:42,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-01-06 19:14:42,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2021-01-06 19:14:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-01-06 19:14:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-01-06 19:14:42,582 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2021-01-06 19:14:42,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:42,582 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-01-06 19:14:42,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-01-06 19:14:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-01-06 19:14:42,584 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:42,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:42,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:14:42,584 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:42,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:42,585 INFO L82 PathProgramCache]: Analyzing trace with hash -237845909, now seen corresponding path program 1 times [2021-01-06 19:14:42,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:42,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909953625] [2021-01-06 19:14:42,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:42,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909953625] [2021-01-06 19:14:42,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:42,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:14:42,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843590670] [2021-01-06 19:14:42,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:42,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:42,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:42,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:42,662 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 5 states. [2021-01-06 19:14:42,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:42,857 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2021-01-06 19:14:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:14:42,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-01-06 19:14:42,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:42,862 INFO L225 Difference]: With dead ends: 475 [2021-01-06 19:14:42,862 INFO L226 Difference]: Without dead ends: 346 [2021-01-06 19:14:42,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:14:42,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-01-06 19:14:42,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2021-01-06 19:14:42,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2021-01-06 19:14:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2021-01-06 19:14:42,905 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2021-01-06 19:14:42,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:42,905 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2021-01-06 19:14:42,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:42,905 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2021-01-06 19:14:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:14:42,913 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:42,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:42,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:14:42,914 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:42,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:42,914 INFO L82 PathProgramCache]: Analyzing trace with hash -2058108952, now seen corresponding path program 1 times [2021-01-06 19:14:42,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:42,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664906069] [2021-01-06 19:14:42,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:43,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:43,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664906069] [2021-01-06 19:14:43,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:43,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:43,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096802888] [2021-01-06 19:14:43,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:43,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:43,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:43,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:43,057 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand 5 states. [2021-01-06 19:14:43,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:43,163 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2021-01-06 19:14:43,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:14:43,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-01-06 19:14:43,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:43,166 INFO L225 Difference]: With dead ends: 363 [2021-01-06 19:14:43,166 INFO L226 Difference]: Without dead ends: 236 [2021-01-06 19:14:43,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:14:43,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-01-06 19:14:43,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2021-01-06 19:14:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2021-01-06 19:14:43,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2021-01-06 19:14:43,192 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2021-01-06 19:14:43,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:43,195 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2021-01-06 19:14:43,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:43,195 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2021-01-06 19:14:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:14:43,198 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:43,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:43,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:14:43,199 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:43,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:43,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1357044374, now seen corresponding path program 1 times [2021-01-06 19:14:43,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:43,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337267375] [2021-01-06 19:14:43,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:43,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337267375] [2021-01-06 19:14:43,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:43,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:43,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069710718] [2021-01-06 19:14:43,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:43,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:43,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:43,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:43,305 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 5 states. [2021-01-06 19:14:43,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:43,430 INFO L93 Difference]: Finished difference Result 406 states and 552 transitions. [2021-01-06 19:14:43,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:14:43,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-01-06 19:14:43,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:43,433 INFO L225 Difference]: With dead ends: 406 [2021-01-06 19:14:43,433 INFO L226 Difference]: Without dead ends: 267 [2021-01-06 19:14:43,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:14:43,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-01-06 19:14:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 154. [2021-01-06 19:14:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2021-01-06 19:14:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2021-01-06 19:14:43,447 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2021-01-06 19:14:43,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:43,447 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2021-01-06 19:14:43,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:43,447 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2021-01-06 19:14:43,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:14:43,448 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:43,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:43,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:14:43,449 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:43,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:43,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1943850388, now seen corresponding path program 1 times [2021-01-06 19:14:43,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:43,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80290797] [2021-01-06 19:14:43,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:43,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80290797] [2021-01-06 19:14:43,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:43,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:43,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803402069] [2021-01-06 19:14:43,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:43,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:43,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:43,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:43,502 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand 3 states. [2021-01-06 19:14:43,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:43,540 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2021-01-06 19:14:43,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:43,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-01-06 19:14:43,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:43,542 INFO L225 Difference]: With dead ends: 359 [2021-01-06 19:14:43,542 INFO L226 Difference]: Without dead ends: 212 [2021-01-06 19:14:43,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:43,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-01-06 19:14:43,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-01-06 19:14:43,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2021-01-06 19:14:43,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2021-01-06 19:14:43,561 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2021-01-06 19:14:43,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:43,562 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2021-01-06 19:14:43,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:43,562 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2021-01-06 19:14:43,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 19:14:43,563 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:43,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:43,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:14:43,563 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:43,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:43,564 INFO L82 PathProgramCache]: Analyzing trace with hash 955170732, now seen corresponding path program 1 times [2021-01-06 19:14:43,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:43,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008952136] [2021-01-06 19:14:43,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:43,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008952136] [2021-01-06 19:14:43,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:43,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:14:43,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204004928] [2021-01-06 19:14:43,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:14:43,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:43,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:14:43,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:14:43,696 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand 7 states. [2021-01-06 19:14:44,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:44,126 INFO L93 Difference]: Finished difference Result 1039 states and 1412 transitions. [2021-01-06 19:14:44,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 19:14:44,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2021-01-06 19:14:44,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:44,132 INFO L225 Difference]: With dead ends: 1039 [2021-01-06 19:14:44,132 INFO L226 Difference]: Without dead ends: 892 [2021-01-06 19:14:44,134 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 [2021-01-06 19:14:44,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2021-01-06 19:14:44,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 372. [2021-01-06 19:14:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2021-01-06 19:14:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 491 transitions. [2021-01-06 19:14:44,174 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 491 transitions. Word has length 35 [2021-01-06 19:14:44,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:44,175 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 491 transitions. [2021-01-06 19:14:44,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:14:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 491 transitions. [2021-01-06 19:14:44,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 19:14:44,176 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:44,176 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2021-01-06 19:14:44,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:14:44,177 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:44,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:44,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1911482104, now seen corresponding path program 1 times [2021-01-06 19:14:44,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:44,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852571475] [2021-01-06 19:14:44,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 19:14:44,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852571475] [2021-01-06 19:14:44,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:44,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:14:44,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024051930] [2021-01-06 19:14:44,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:44,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:44,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:44,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:44,232 INFO L87 Difference]: Start difference. First operand 372 states and 491 transitions. Second operand 3 states. [2021-01-06 19:14:44,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:44,343 INFO L93 Difference]: Finished difference Result 624 states and 822 transitions. [2021-01-06 19:14:44,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:44,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-01-06 19:14:44,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:44,346 INFO L225 Difference]: With dead ends: 624 [2021-01-06 19:14:44,346 INFO L226 Difference]: Without dead ends: 259 [2021-01-06 19:14:44,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:44,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-01-06 19:14:44,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 253. [2021-01-06 19:14:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2021-01-06 19:14:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions. [2021-01-06 19:14:44,375 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 329 transitions. Word has length 55 [2021-01-06 19:14:44,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:44,375 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 329 transitions. [2021-01-06 19:14:44,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:44,375 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 329 transitions. [2021-01-06 19:14:44,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 19:14:44,376 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:44,376 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:44,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:14:44,377 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:44,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:44,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1510184545, now seen corresponding path program 1 times [2021-01-06 19:14:44,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:44,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305585156] [2021-01-06 19:14:44,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:44,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305585156] [2021-01-06 19:14:44,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732268964] [2021-01-06 19:14:44,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:14:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:44,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-06 19:14:44,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:14:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:44,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:14:44,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-01-06 19:14:44,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455823918] [2021-01-06 19:14:44,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:14:44,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:44,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:14:44,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:14:44,822 INFO L87 Difference]: Start difference. First operand 253 states and 329 transitions. Second operand 9 states. [2021-01-06 19:14:45,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:45,357 INFO L93 Difference]: Finished difference Result 588 states and 775 transitions. [2021-01-06 19:14:45,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 19:14:45,358 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2021-01-06 19:14:45,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:45,358 INFO L225 Difference]: With dead ends: 588 [2021-01-06 19:14:45,358 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:14:45,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-01-06 19:14:45,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:14:45,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:14:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:14:45,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:14:45,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-01-06 19:14:45,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:45,361 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:14:45,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:14:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:14:45,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:14:45,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 19:14:45,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:14:45,718 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 90 [2021-01-06 19:14:45,868 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-01-06 19:14:46,517 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-01-06 19:14:46,985 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 28 [2021-01-06 19:14:47,222 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 26 [2021-01-06 19:14:47,526 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2021-01-06 19:14:47,641 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2021-01-06 19:14:47,935 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2021-01-06 19:14:48,039 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2021-01-06 19:14:48,341 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2021-01-06 19:14:48,532 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2021-01-06 19:14:48,767 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 13 [2021-01-06 19:14:49,015 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2021-01-06 19:14:49,297 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2021-01-06 19:14:49,580 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2021-01-06 19:14:49,638 INFO L189 CegarLoopUtils]: For program point L101-4(lines 101 109) no Hoare annotation was computed. [2021-01-06 19:14:49,639 INFO L189 CegarLoopUtils]: For program point L101-5(lines 101 109) no Hoare annotation was computed. [2021-01-06 19:14:49,639 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 852) no Hoare annotation was computed. [2021-01-06 19:14:49,640 INFO L189 CegarLoopUtils]: For program point L763(lines 763 767) no Hoare annotation was computed. [2021-01-06 19:14:49,640 INFO L189 CegarLoopUtils]: For program point L730(lines 730 740) no Hoare annotation was computed. [2021-01-06 19:14:49,640 INFO L189 CegarLoopUtils]: For program point L763-1(lines 763 767) no Hoare annotation was computed. [2021-01-06 19:14:49,640 INFO L189 CegarLoopUtils]: For program point L730-2(lines 730 740) no Hoare annotation was computed. [2021-01-06 19:14:49,640 INFO L189 CegarLoopUtils]: For program point L730-4(lines 730 740) no Hoare annotation was computed. [2021-01-06 19:14:49,640 INFO L189 CegarLoopUtils]: For program point L731(lines 731 737) no Hoare annotation was computed. [2021-01-06 19:14:49,640 INFO L189 CegarLoopUtils]: For program point L731-2(lines 731 737) no Hoare annotation was computed. [2021-01-06 19:14:49,640 INFO L189 CegarLoopUtils]: For program point L731-4(lines 731 737) no Hoare annotation was computed. [2021-01-06 19:14:49,641 INFO L189 CegarLoopUtils]: For program point L302(lines 302 317) no Hoare annotation was computed. [2021-01-06 19:14:49,641 INFO L185 CegarLoopUtils]: At program point L72(lines 72 78) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2021-01-06 19:14:49,641 INFO L185 CegarLoopUtils]: At program point L72-1(lines 72 78) the Hoare annotation is: false [2021-01-06 19:14:49,641 INFO L185 CegarLoopUtils]: At program point L72-2(lines 72 78) the Hoare annotation is: false [2021-01-06 19:14:49,642 INFO L189 CegarLoopUtils]: For program point L898(lines 898 902) no Hoare annotation was computed. [2021-01-06 19:14:49,642 INFO L189 CegarLoopUtils]: For program point L898-3(lines 898 902) no Hoare annotation was computed. [2021-01-06 19:14:49,642 INFO L189 CegarLoopUtils]: For program point L898-6(lines 898 902) no Hoare annotation was computed. [2021-01-06 19:14:49,642 INFO L189 CegarLoopUtils]: For program point L239(lines 239 245) no Hoare annotation was computed. [2021-01-06 19:14:49,642 INFO L185 CegarLoopUtils]: At program point L239-1(lines 239 245) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-01-06 19:14:49,642 INFO L189 CegarLoopUtils]: For program point L834(lines 834 841) no Hoare annotation was computed. [2021-01-06 19:14:49,642 INFO L192 CegarLoopUtils]: At program point L834-1(lines 834 841) the Hoare annotation is: true [2021-01-06 19:14:49,642 INFO L189 CegarLoopUtils]: For program point L273(lines 272 321) no Hoare annotation was computed. [2021-01-06 19:14:49,643 INFO L185 CegarLoopUtils]: At program point L967(lines 962 970) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse5)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse1 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2))))) [2021-01-06 19:14:49,643 INFO L185 CegarLoopUtils]: At program point L967-1(lines 962 970) the Hoare annotation is: false [2021-01-06 19:14:49,643 INFO L185 CegarLoopUtils]: At program point L967-2(lines 962 970) the Hoare annotation is: false [2021-01-06 19:14:49,643 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 852) no Hoare annotation was computed. [2021-01-06 19:14:49,643 INFO L189 CegarLoopUtils]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-01-06 19:14:49,644 INFO L185 CegarLoopUtils]: At program point L935(lines 930 938) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-01-06 19:14:49,644 INFO L185 CegarLoopUtils]: At program point L935-1(lines 930 938) the Hoare annotation is: false [2021-01-06 19:14:49,644 INFO L185 CegarLoopUtils]: At program point L935-2(lines 930 938) the Hoare annotation is: false [2021-01-06 19:14:49,644 INFO L185 CegarLoopUtils]: At program point L176(lines 171 179) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (or (<= ~waterLevel~0 1) .cse2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse7 .cse4) (and .cse5 (= 0 ~systemActive~0) .cse6 .cse7 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse3 .cse4)))) [2021-01-06 19:14:49,644 INFO L185 CegarLoopUtils]: At program point L176-1(lines 171 179) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 .cse3))) [2021-01-06 19:14:49,645 INFO L185 CegarLoopUtils]: At program point L176-2(lines 171 179) the Hoare annotation is: false [2021-01-06 19:14:49,645 INFO L185 CegarLoopUtils]: At program point L176-3(lines 171 179) the Hoare annotation is: false [2021-01-06 19:14:49,645 INFO L185 CegarLoopUtils]: At program point L176-4(lines 171 179) the Hoare annotation is: false [2021-01-06 19:14:49,645 INFO L185 CegarLoopUtils]: At program point L176-5(lines 171 179) the Hoare annotation is: false [2021-01-06 19:14:49,645 INFO L185 CegarLoopUtils]: At program point L705(lines 700 707) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:49,645 INFO L189 CegarLoopUtils]: For program point L310(lines 310 316) no Hoare annotation was computed. [2021-01-06 19:14:49,645 INFO L185 CegarLoopUtils]: At program point L310-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2021-01-06 19:14:49,646 INFO L185 CegarLoopUtils]: At program point L807(lines 803 809) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:49,646 INFO L189 CegarLoopUtils]: For program point L975(lines 975 981) no Hoare annotation was computed. [2021-01-06 19:14:49,646 INFO L189 CegarLoopUtils]: For program point L975-1(lines 975 981) no Hoare annotation was computed. [2021-01-06 19:14:49,646 INFO L189 CegarLoopUtils]: For program point L975-2(lines 975 981) no Hoare annotation was computed. [2021-01-06 19:14:49,646 INFO L189 CegarLoopUtils]: For program point L975-3(lines 975 981) no Hoare annotation was computed. [2021-01-06 19:14:49,646 INFO L189 CegarLoopUtils]: For program point L975-4(lines 975 981) no Hoare annotation was computed. [2021-01-06 19:14:49,646 INFO L192 CegarLoopUtils]: At program point L843(lines 824 846) the Hoare annotation is: true [2021-01-06 19:14:49,646 INFO L189 CegarLoopUtils]: For program point L975-5(lines 975 981) no Hoare annotation was computed. [2021-01-06 19:14:49,647 INFO L189 CegarLoopUtils]: For program point L282(lines 282 288) no Hoare annotation was computed. [2021-01-06 19:14:49,647 INFO L185 CegarLoopUtils]: At program point L282-1(lines 282 288) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2021-01-06 19:14:49,647 INFO L189 CegarLoopUtils]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-01-06 19:14:49,647 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:14:49,647 INFO L185 CegarLoopUtils]: At program point L879(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:49,648 INFO L185 CegarLoopUtils]: At program point L715(lines 65 71) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 .cse3))) [2021-01-06 19:14:49,648 INFO L185 CegarLoopUtils]: At program point L715-1(lines 65 71) the Hoare annotation is: false [2021-01-06 19:14:49,648 INFO L185 CegarLoopUtils]: At program point L715-2(lines 65 71) the Hoare annotation is: false [2021-01-06 19:14:49,648 INFO L185 CegarLoopUtils]: At program point L980(lines 971 984) the Hoare annotation is: false [2021-01-06 19:14:49,648 INFO L185 CegarLoopUtils]: At program point L980-1(lines 971 984) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2021-01-06 19:14:49,648 INFO L185 CegarLoopUtils]: At program point L980-2(lines 971 984) the Hoare annotation is: false [2021-01-06 19:14:49,649 INFO L185 CegarLoopUtils]: At program point L980-3(lines 971 984) the Hoare annotation is: false [2021-01-06 19:14:49,649 INFO L185 CegarLoopUtils]: At program point L980-4(lines 971 984) the Hoare annotation is: false [2021-01-06 19:14:49,649 INFO L185 CegarLoopUtils]: At program point L980-5(lines 971 984) the Hoare annotation is: false [2021-01-06 19:14:49,649 INFO L189 CegarLoopUtils]: For program point L123(lines 123 140) no Hoare annotation was computed. [2021-01-06 19:14:49,649 INFO L189 CegarLoopUtils]: For program point L123-1(lines 123 140) no Hoare annotation was computed. [2021-01-06 19:14:49,649 INFO L189 CegarLoopUtils]: For program point L123-2(lines 123 140) no Hoare annotation was computed. [2021-01-06 19:14:49,649 INFO L185 CegarLoopUtils]: At program point L322(lines 271 323) the Hoare annotation is: false [2021-01-06 19:14:49,650 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:14:49,650 INFO L189 CegarLoopUtils]: For program point L852(line 852) no Hoare annotation was computed. [2021-01-06 19:14:49,650 INFO L189 CegarLoopUtils]: For program point L852-1(line 852) no Hoare annotation was computed. [2021-01-06 19:14:49,650 INFO L189 CegarLoopUtils]: For program point L852-2(line 852) no Hoare annotation was computed. [2021-01-06 19:14:49,650 INFO L189 CegarLoopUtils]: For program point L225(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,650 INFO L189 CegarLoopUtils]: For program point L225-2(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,650 INFO L189 CegarLoopUtils]: For program point L225-3(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,651 INFO L189 CegarLoopUtils]: For program point L225-5(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,651 INFO L189 CegarLoopUtils]: For program point L225-6(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,651 INFO L189 CegarLoopUtils]: For program point L225-8(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,651 INFO L189 CegarLoopUtils]: For program point L225-9(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,651 INFO L189 CegarLoopUtils]: For program point L225-11(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,651 INFO L189 CegarLoopUtils]: For program point L225-12(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,651 INFO L189 CegarLoopUtils]: For program point L225-14(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,651 INFO L189 CegarLoopUtils]: For program point L225-15(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,651 INFO L189 CegarLoopUtils]: For program point L225-17(lines 225 229) no Hoare annotation was computed. [2021-01-06 19:14:49,652 INFO L189 CegarLoopUtils]: For program point L292(lines 292 298) no Hoare annotation was computed. [2021-01-06 19:14:49,652 INFO L185 CegarLoopUtils]: At program point L292-1(lines 292 298) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2021-01-06 19:14:49,652 INFO L189 CegarLoopUtils]: For program point L127(lines 127 135) no Hoare annotation was computed. [2021-01-06 19:14:49,652 INFO L189 CegarLoopUtils]: For program point L127-1(lines 127 135) no Hoare annotation was computed. [2021-01-06 19:14:49,652 INFO L189 CegarLoopUtils]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2021-01-06 19:14:49,652 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:14:49,652 INFO L185 CegarLoopUtils]: At program point L887(lines 882 890) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:49,653 INFO L189 CegarLoopUtils]: For program point L922(lines 922 926) no Hoare annotation was computed. [2021-01-06 19:14:49,653 INFO L189 CegarLoopUtils]: For program point L97(lines 97 114) no Hoare annotation was computed. [2021-01-06 19:14:49,653 INFO L189 CegarLoopUtils]: For program point L97-1(lines 97 114) no Hoare annotation was computed. [2021-01-06 19:14:49,653 INFO L189 CegarLoopUtils]: For program point L97-2(lines 97 114) no Hoare annotation was computed. [2021-01-06 19:14:49,653 INFO L189 CegarLoopUtils]: For program point L97-3(lines 97 114) no Hoare annotation was computed. [2021-01-06 19:14:49,653 INFO L189 CegarLoopUtils]: For program point L97-4(lines 97 114) no Hoare annotation was computed. [2021-01-06 19:14:49,653 INFO L189 CegarLoopUtils]: For program point L97-5(lines 97 114) no Hoare annotation was computed. [2021-01-06 19:14:49,653 INFO L185 CegarLoopUtils]: At program point L65(lines 61 83) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3))) [2021-01-06 19:14:49,653 INFO L185 CegarLoopUtils]: At program point L65-1(lines 61 83) the Hoare annotation is: false [2021-01-06 19:14:49,654 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:14:49,654 INFO L185 CegarLoopUtils]: At program point L65-2(lines 61 83) the Hoare annotation is: false [2021-01-06 19:14:49,654 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 852) no Hoare annotation was computed. [2021-01-06 19:14:49,654 INFO L189 CegarLoopUtils]: For program point L726(lines 726 743) no Hoare annotation was computed. [2021-01-06 19:14:49,654 INFO L185 CegarLoopUtils]: At program point L726-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2021-01-06 19:14:49,654 INFO L185 CegarLoopUtils]: At program point L759-2(lines 759 773) the Hoare annotation is: false [2021-01-06 19:14:49,655 INFO L189 CegarLoopUtils]: For program point L726-2(lines 726 743) no Hoare annotation was computed. [2021-01-06 19:14:49,655 INFO L185 CegarLoopUtils]: At program point L726-3(lines 1 984) the Hoare annotation is: false [2021-01-06 19:14:49,655 INFO L189 CegarLoopUtils]: For program point L726-4(lines 726 743) no Hoare annotation was computed. [2021-01-06 19:14:49,655 INFO L185 CegarLoopUtils]: At program point L726-5(lines 1 984) the Hoare annotation is: false [2021-01-06 19:14:49,655 INFO L185 CegarLoopUtils]: At program point L231(lines 216 234) the Hoare annotation is: false [2021-01-06 19:14:49,655 INFO L185 CegarLoopUtils]: At program point L231-1(lines 216 234) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (<= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)))) [2021-01-06 19:14:49,655 INFO L185 CegarLoopUtils]: At program point L231-2(lines 216 234) the Hoare annotation is: false [2021-01-06 19:14:49,655 INFO L185 CegarLoopUtils]: At program point L231-3(lines 216 234) the Hoare annotation is: false [2021-01-06 19:14:49,656 INFO L185 CegarLoopUtils]: At program point L231-4(lines 216 234) the Hoare annotation is: false [2021-01-06 19:14:49,656 INFO L185 CegarLoopUtils]: At program point L231-5(lines 216 234) the Hoare annotation is: false [2021-01-06 19:14:49,656 INFO L189 CegarLoopUtils]: For program point L760(line 760) no Hoare annotation was computed. [2021-01-06 19:14:49,656 INFO L185 CegarLoopUtils]: At program point L167(lines 160 170) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-01-06 19:14:49,656 INFO L185 CegarLoopUtils]: At program point L167-1(lines 160 170) the Hoare annotation is: false [2021-01-06 19:14:49,656 INFO L189 CegarLoopUtils]: For program point L101(lines 101 109) no Hoare annotation was computed. [2021-01-06 19:14:49,656 INFO L185 CegarLoopUtils]: At program point L167-2(lines 160 170) the Hoare annotation is: false [2021-01-06 19:14:49,656 INFO L189 CegarLoopUtils]: For program point L101-1(lines 101 109) no Hoare annotation was computed. [2021-01-06 19:14:49,657 INFO L189 CegarLoopUtils]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2021-01-06 19:14:49,657 INFO L189 CegarLoopUtils]: For program point L101-3(lines 101 109) no Hoare annotation was computed. [2021-01-06 19:14:49,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:14:49 BoogieIcfgContainer [2021-01-06 19:14:49,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:14:49,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:14:49,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:14:49,699 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:14:49,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:41" (3/4) ... [2021-01-06 19:14:49,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:14:49,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:14:49,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:14:49,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:14:49,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:14:49,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:14:49,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:49,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:49,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:49,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:49,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:49,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:49,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:49,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:49,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:49,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:49,791 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2021-01-06 19:14:49,792 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2021-01-06 19:14:49,796 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2021-01-06 19:14:49,797 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:14:49,800 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:14:49,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) [2021-01-06 19:14:49,919 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product40.cil.c-witness.graphml [2021-01-06 19:14:49,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:14:49,920 INFO L168 Benchmark]: Toolchain (without parser) took 10966.29 ms. Allocated memory was 154.1 MB in the beginning and 232.8 MB in the end (delta: 78.6 MB). Free memory was 128.6 MB in the beginning and 151.8 MB in the end (delta: -23.2 MB). Peak memory consumption was 55.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:49,921 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 154.1 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:14:49,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.55 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 106.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:49,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.71 ms. Allocated memory is still 154.1 MB. Free memory was 106.5 MB in the beginning and 135.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:49,922 INFO L168 Benchmark]: Boogie Preprocessor took 89.60 ms. Allocated memory is still 154.1 MB. Free memory was 135.0 MB in the beginning and 132.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:49,922 INFO L168 Benchmark]: RCFGBuilder took 1236.47 ms. Allocated memory is still 154.1 MB. Free memory was 132.4 MB in the beginning and 68.4 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:49,923 INFO L168 Benchmark]: TraceAbstraction took 8492.86 ms. Allocated memory was 154.1 MB in the beginning and 232.8 MB in the end (delta: 78.6 MB). Free memory was 67.9 MB in the beginning and 162.3 MB in the end (delta: -94.4 MB). Peak memory consumption was 70.8 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:49,923 INFO L168 Benchmark]: Witness Printer took 220.09 ms. Allocated memory is still 232.8 MB. Free memory was 162.3 MB in the beginning and 151.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:49,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 154.1 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 769.55 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 106.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 146.71 ms. Allocated memory is still 154.1 MB. Free memory was 106.5 MB in the beginning and 135.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 89.60 ms. Allocated memory is still 154.1 MB. Free memory was 135.0 MB in the beginning and 132.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1236.47 ms. Allocated memory is still 154.1 MB. Free memory was 132.4 MB in the beginning and 68.4 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8492.86 ms. Allocated memory was 154.1 MB in the beginning and 232.8 MB in the end (delta: 78.6 MB). Free memory was 67.9 MB in the beginning and 162.3 MB in the end (delta: -94.4 MB). Peak memory consumption was 70.8 MB. Max. memory is 8.0 GB. * Witness Printer took 220.09 ms. Allocated memory is still 232.8 MB. Free memory was 162.3 MB in the beginning and 151.8 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: 852]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 852]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 852]: 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: 700]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1168 SDtfs, 1511 SDslu, 1910 SDs, 0 SdLazy, 316 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 947 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 206 NumberOfFragments, 901 HoareAnnotationTreeSize, 51 FomulaSimplifications, 145442 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 22843 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 32903 SizeOfPredicates, 3 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 38/48 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...