/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:11:48,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:11:48,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:11:48,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:11:48,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:11:48,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:11:48,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:11:48,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:11:48,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:11:48,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:11:48,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:11:48,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:11:48,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:11:48,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:11:48,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:11:48,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:11:48,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:11:48,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:11:48,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:11:48,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:11:48,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:11:48,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:11:48,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:11:48,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:11:49,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:11:49,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:11:49,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:11:49,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:11:49,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:11:49,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:11:49,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:11:49,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:11:49,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:11:49,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:11:49,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:11:49,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:11:49,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:11:49,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:11:49,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:11:49,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:11:49,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:11:49,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:11:49,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:11:49,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:11:49,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:11:49,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:11:49,051 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:11:49,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:11:49,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:11:49,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:11:49,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:11:49,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:11:49,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:11:49,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:11:49,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:11:49,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:11:49,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:11:49,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:11:49,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:11:49,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:11:49,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:11:49,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:11:49,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:11:49,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:11:49,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:11:49,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:11:49,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:11:49,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:11:49,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:11:49,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:11:49,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:11:49,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:11:49,464 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:11:49,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2021-01-06 19:11:49,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bd5edd104/eea54a2bb6ce4dd6b5b8ea467469acec/FLAG3dfba185a [2021-01-06 19:11:50,405 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:11:50,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2021-01-06 19:11:50,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bd5edd104/eea54a2bb6ce4dd6b5b8ea467469acec/FLAG3dfba185a [2021-01-06 19:11:50,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bd5edd104/eea54a2bb6ce4dd6b5b8ea467469acec [2021-01-06 19:11:50,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:11:50,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:11:50,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:11:50,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:11:50,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:11:50,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:11:50" (1/1) ... [2021-01-06 19:11:50,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e755f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:50, skipping insertion in model container [2021-01-06 19:11:50,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:11:50" (1/1) ... [2021-01-06 19:11:50,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:11:50,736 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] [2021-01-06 19:11:51,023 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c[9005,9018] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~8,] 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~9,] 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~11,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] 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~13,] [2021-01-06 19:11:51,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:11:51,162 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] [2021-01-06 19:11:51,214 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c[9005,9018] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~8,] 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~9,] 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~11,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] 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~13,] [2021-01-06 19:11:51,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:11:51,307 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:11:51,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51 WrapperNode [2021-01-06 19:11:51,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:11:51,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:11:51,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:11:51,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:11:51,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (1/1) ... [2021-01-06 19:11:51,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (1/1) ... [2021-01-06 19:11:51,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:11:51,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:11:51,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:11:51,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:11:51,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (1/1) ... [2021-01-06 19:11:51,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (1/1) ... [2021-01-06 19:11:51,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (1/1) ... [2021-01-06 19:11:51,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (1/1) ... [2021-01-06 19:11:51,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (1/1) ... [2021-01-06 19:11:51,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (1/1) ... [2021-01-06 19:11:51,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (1/1) ... [2021-01-06 19:11:51,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:11:51,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:11:51,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:11:51,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:11:51,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:11:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:11:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:11:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:11:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:11:52,785 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:11:52,785 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-01-06 19:11:52,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:52 BoogieIcfgContainer [2021-01-06 19:11:52,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:11:52,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:11:52,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:11:52,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:11:52,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:11:50" (1/3) ... [2021-01-06 19:11:52,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4102f651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:11:52, skipping insertion in model container [2021-01-06 19:11:52,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:51" (2/3) ... [2021-01-06 19:11:52,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4102f651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:11:52, skipping insertion in model container [2021-01-06 19:11:52,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:52" (3/3) ... [2021-01-06 19:11:52,803 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2021-01-06 19:11:52,810 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:11:52,817 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:11:52,843 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:11:52,891 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:11:52,892 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:11:52,892 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:11:52,892 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:11:52,893 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:11:52,898 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:11:52,898 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:11:52,898 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:11:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2021-01-06 19:11:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:11:52,940 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:52,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:52,942 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:52,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:52,949 INFO L82 PathProgramCache]: Analyzing trace with hash 815277316, now seen corresponding path program 1 times [2021-01-06 19:11:52,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:52,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638515761] [2021-01-06 19:11:52,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:53,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638515761] [2021-01-06 19:11:53,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:53,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:53,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297579740] [2021-01-06 19:11:53,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:11:53,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:53,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:11:53,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:11:53,410 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2021-01-06 19:11:53,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:53,449 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2021-01-06 19:11:53,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:11:53,450 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:11:53,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:53,465 INFO L225 Difference]: With dead ends: 239 [2021-01-06 19:11:53,465 INFO L226 Difference]: Without dead ends: 119 [2021-01-06 19:11:53,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:11:53,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-01-06 19:11:53,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-01-06 19:11:53,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-01-06 19:11:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2021-01-06 19:11:53,521 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2021-01-06 19:11:53,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:53,522 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2021-01-06 19:11:53,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:11:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2021-01-06 19:11:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:11:53,523 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:53,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:53,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:11:53,524 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:53,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:53,525 INFO L82 PathProgramCache]: Analyzing trace with hash 596441347, now seen corresponding path program 1 times [2021-01-06 19:11:53,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:53,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751646990] [2021-01-06 19:11:53,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:53,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:53,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751646990] [2021-01-06 19:11:53,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:53,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:11:53,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815509621] [2021-01-06 19:11:53,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:53,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:53,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:53,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:53,672 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2021-01-06 19:11:53,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:53,689 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2021-01-06 19:11:53,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:53,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:11:53,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:53,692 INFO L225 Difference]: With dead ends: 119 [2021-01-06 19:11:53,692 INFO L226 Difference]: Without dead ends: 51 [2021-01-06 19:11:53,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:53,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-01-06 19:11:53,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-01-06 19:11:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-01-06 19:11:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-01-06 19:11:53,701 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2021-01-06 19:11:53,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:53,701 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-01-06 19:11:53,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:53,702 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-01-06 19:11:53,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:11:53,703 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:53,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:53,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:11:53,704 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:53,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:53,704 INFO L82 PathProgramCache]: Analyzing trace with hash -781547841, now seen corresponding path program 1 times [2021-01-06 19:11:53,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:53,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530569299] [2021-01-06 19:11:53,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:53,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530569299] [2021-01-06 19:11:53,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:53,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:11:53,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799276616] [2021-01-06 19:11:53,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:11:53,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:53,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:11:53,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:11:53,824 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 6 states. [2021-01-06 19:11:54,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:54,072 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions. [2021-01-06 19:11:54,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:11:54,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2021-01-06 19:11:54,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:54,074 INFO L225 Difference]: With dead ends: 163 [2021-01-06 19:11:54,074 INFO L226 Difference]: Without dead ends: 119 [2021-01-06 19:11:54,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:11:54,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-01-06 19:11:54,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 71. [2021-01-06 19:11:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-01-06 19:11:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-01-06 19:11:54,089 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2021-01-06 19:11:54,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:54,090 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-01-06 19:11:54,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:11:54,090 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-01-06 19:11:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:11:54,091 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:54,091 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:54,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:11:54,092 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:54,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:54,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1063081859, now seen corresponding path program 1 times [2021-01-06 19:11:54,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:54,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632988931] [2021-01-06 19:11:54,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:54,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632988931] [2021-01-06 19:11:54,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:54,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:54,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626166344] [2021-01-06 19:11:54,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:54,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:54,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:54,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:54,192 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2021-01-06 19:11:54,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:54,247 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2021-01-06 19:11:54,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:54,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 19:11:54,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:54,250 INFO L225 Difference]: With dead ends: 157 [2021-01-06 19:11:54,250 INFO L226 Difference]: Without dead ends: 93 [2021-01-06 19:11:54,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:54,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-01-06 19:11:54,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2021-01-06 19:11:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-01-06 19:11:54,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2021-01-06 19:11:54,266 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2021-01-06 19:11:54,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:54,266 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2021-01-06 19:11:54,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:54,267 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2021-01-06 19:11:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-06 19:11:54,268 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:54,268 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:54,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:11:54,269 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:54,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:54,270 INFO L82 PathProgramCache]: Analyzing trace with hash -460039864, now seen corresponding path program 1 times [2021-01-06 19:11:54,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:54,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578949048] [2021-01-06 19:11:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:54,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578949048] [2021-01-06 19:11:54,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:54,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:11:54,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31868377] [2021-01-06 19:11:54,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:54,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:54,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:54,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:54,375 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2021-01-06 19:11:54,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:54,486 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2021-01-06 19:11:54,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:11:54,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-01-06 19:11:54,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:54,499 INFO L225 Difference]: With dead ends: 452 [2021-01-06 19:11:54,499 INFO L226 Difference]: Without dead ends: 368 [2021-01-06 19:11:54,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:11:54,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-01-06 19:11:54,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2021-01-06 19:11:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2021-01-06 19:11:54,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2021-01-06 19:11:54,605 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2021-01-06 19:11:54,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:54,606 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2021-01-06 19:11:54,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2021-01-06 19:11:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-01-06 19:11:54,608 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:54,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:54,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:11:54,609 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:54,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:54,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1894185024, now seen corresponding path program 1 times [2021-01-06 19:11:54,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:54,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465969487] [2021-01-06 19:11:54,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:54,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465969487] [2021-01-06 19:11:54,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:54,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:11:54,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274791729] [2021-01-06 19:11:54,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:54,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:54,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:54,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:54,775 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2021-01-06 19:11:55,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:55,014 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2021-01-06 19:11:55,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:11:55,015 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-01-06 19:11:55,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:55,019 INFO L225 Difference]: With dead ends: 605 [2021-01-06 19:11:55,019 INFO L226 Difference]: Without dead ends: 448 [2021-01-06 19:11:55,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:11:55,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-01-06 19:11:55,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2021-01-06 19:11:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2021-01-06 19:11:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2021-01-06 19:11:55,058 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2021-01-06 19:11:55,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:55,059 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2021-01-06 19:11:55,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2021-01-06 19:11:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:11:55,066 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:55,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:55,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:11:55,069 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:55,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:55,070 INFO L82 PathProgramCache]: Analyzing trace with hash -44877900, now seen corresponding path program 1 times [2021-01-06 19:11:55,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:55,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319392594] [2021-01-06 19:11:55,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:55,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319392594] [2021-01-06 19:11:55,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:55,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:11:55,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481720367] [2021-01-06 19:11:55,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:55,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:55,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:55,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:55,213 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2021-01-06 19:11:55,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:55,323 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2021-01-06 19:11:55,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:11:55,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:11:55,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:55,329 INFO L225 Difference]: With dead ends: 479 [2021-01-06 19:11:55,329 INFO L226 Difference]: Without dead ends: 324 [2021-01-06 19:11:55,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:11:55,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-01-06 19:11:55,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2021-01-06 19:11:55,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2021-01-06 19:11:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2021-01-06 19:11:55,384 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2021-01-06 19:11:55,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:55,384 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2021-01-06 19:11:55,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2021-01-06 19:11:55,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:11:55,392 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:55,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:55,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:11:55,393 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:55,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:55,393 INFO L82 PathProgramCache]: Analyzing trace with hash 656186678, now seen corresponding path program 1 times [2021-01-06 19:11:55,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:55,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651701749] [2021-01-06 19:11:55,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:55,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651701749] [2021-01-06 19:11:55,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:55,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:11:55,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444061579] [2021-01-06 19:11:55,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:11:55,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:55,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:11:55,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:11:55,527 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2021-01-06 19:11:55,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:55,674 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2021-01-06 19:11:55,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:11:55,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-01-06 19:11:55,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:55,678 INFO L225 Difference]: With dead ends: 513 [2021-01-06 19:11:55,678 INFO L226 Difference]: Without dead ends: 346 [2021-01-06 19:11:55,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:11:55,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-01-06 19:11:55,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2021-01-06 19:11:55,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2021-01-06 19:11:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2021-01-06 19:11:55,708 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2021-01-06 19:11:55,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:55,708 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2021-01-06 19:11:55,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:11:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2021-01-06 19:11:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:11:55,714 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:55,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:55,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:11:55,715 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:55,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:55,716 INFO L82 PathProgramCache]: Analyzing trace with hash 69380664, now seen corresponding path program 1 times [2021-01-06 19:11:55,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:55,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272674028] [2021-01-06 19:11:55,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:55,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272674028] [2021-01-06 19:11:55,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:55,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:11:55,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62671224] [2021-01-06 19:11:55,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:55,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:55,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:55,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:55,800 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2021-01-06 19:11:55,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:55,853 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2021-01-06 19:11:55,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:55,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-01-06 19:11:55,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:55,856 INFO L225 Difference]: With dead ends: 445 [2021-01-06 19:11:55,856 INFO L226 Difference]: Without dead ends: 270 [2021-01-06 19:11:55,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:55,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-01-06 19:11:55,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2021-01-06 19:11:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2021-01-06 19:11:55,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2021-01-06 19:11:55,896 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2021-01-06 19:11:55,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:55,898 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2021-01-06 19:11:55,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2021-01-06 19:11:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:11:55,900 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:55,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:55,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:11:55,901 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:55,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:55,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1964012792, now seen corresponding path program 1 times [2021-01-06 19:11:55,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:55,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614584805] [2021-01-06 19:11:55,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:56,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614584805] [2021-01-06 19:11:56,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:56,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:11:56,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747609902] [2021-01-06 19:11:56,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:56,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:56,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:56,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:56,006 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2021-01-06 19:11:56,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:56,080 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2021-01-06 19:11:56,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:56,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-01-06 19:11:56,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:56,091 INFO L225 Difference]: With dead ends: 389 [2021-01-06 19:11:56,092 INFO L226 Difference]: Without dead ends: 387 [2021-01-06 19:11:56,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:56,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-01-06 19:11:56,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2021-01-06 19:11:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-01-06 19:11:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2021-01-06 19:11:56,133 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2021-01-06 19:11:56,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:56,133 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2021-01-06 19:11:56,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2021-01-06 19:11:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:11:56,135 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:56,135 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, 1, 1] [2021-01-06 19:11:56,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:11:56,135 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:56,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:56,136 INFO L82 PathProgramCache]: Analyzing trace with hash -2090460060, now seen corresponding path program 1 times [2021-01-06 19:11:56,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:56,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702476094] [2021-01-06 19:11:56,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:56,296 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:56,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702476094] [2021-01-06 19:11:56,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:56,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:11:56,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268483640] [2021-01-06 19:11:56,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:11:56,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:56,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:11:56,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:11:56,301 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2021-01-06 19:11:56,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:56,756 INFO L93 Difference]: Finished difference Result 1729 states and 2372 transitions. [2021-01-06 19:11:56,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 19:11:56,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2021-01-06 19:11:56,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:56,767 INFO L225 Difference]: With dead ends: 1729 [2021-01-06 19:11:56,767 INFO L226 Difference]: Without dead ends: 1508 [2021-01-06 19:11:56,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-01-06 19:11:56,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2021-01-06 19:11:56,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 659. [2021-01-06 19:11:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2021-01-06 19:11:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 886 transitions. [2021-01-06 19:11:56,885 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 886 transitions. Word has length 58 [2021-01-06 19:11:56,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:56,885 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 886 transitions. [2021-01-06 19:11:56,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:11:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 886 transitions. [2021-01-06 19:11:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:11:56,887 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:56,888 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, 1, 1] [2021-01-06 19:11:56,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:11:56,888 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:56,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:56,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1832294622, now seen corresponding path program 1 times [2021-01-06 19:11:56,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:56,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568019829] [2021-01-06 19:11:56,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:56,983 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:11:56,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568019829] [2021-01-06 19:11:56,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:56,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:11:56,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564305567] [2021-01-06 19:11:56,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:11:56,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:56,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:11:56,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:11:57,003 INFO L87 Difference]: Start difference. First operand 659 states and 886 transitions. Second operand 7 states. [2021-01-06 19:11:57,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:57,172 INFO L93 Difference]: Finished difference Result 1322 states and 1767 transitions. [2021-01-06 19:11:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:11:57,173 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2021-01-06 19:11:57,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:57,178 INFO L225 Difference]: With dead ends: 1322 [2021-01-06 19:11:57,178 INFO L226 Difference]: Without dead ends: 758 [2021-01-06 19:11:57,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:11:57,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2021-01-06 19:11:57,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2021-01-06 19:11:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2021-01-06 19:11:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2021-01-06 19:11:57,240 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2021-01-06 19:11:57,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:57,241 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2021-01-06 19:11:57,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:11:57,241 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2021-01-06 19:11:57,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:11:57,242 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:57,243 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:57,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:11:57,243 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:57,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:57,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1973254398, now seen corresponding path program 1 times [2021-01-06 19:11:57,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:57,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016154931] [2021-01-06 19:11:57,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:57,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016154931] [2021-01-06 19:11:57,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:57,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:11:57,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623861100] [2021-01-06 19:11:57,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:11:57,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:57,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:11:57,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:11:57,305 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2021-01-06 19:11:57,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:57,532 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2021-01-06 19:11:57,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:11:57,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-01-06 19:11:57,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:57,535 INFO L225 Difference]: With dead ends: 634 [2021-01-06 19:11:57,535 INFO L226 Difference]: Without dead ends: 363 [2021-01-06 19:11:57,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:11:57,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-01-06 19:11:57,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2021-01-06 19:11:57,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2021-01-06 19:11:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2021-01-06 19:11:57,619 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2021-01-06 19:11:57,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:57,619 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2021-01-06 19:11:57,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2021-01-06 19:11:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 19:11:57,621 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:57,621 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:57,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:11:57,622 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:11:57,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:57,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1655944216, now seen corresponding path program 1 times [2021-01-06 19:11:57,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:57,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626249065] [2021-01-06 19:11:57,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 19:11:57,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626249065] [2021-01-06 19:11:57,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:11:57,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:11:57,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300162579] [2021-01-06 19:11:57,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:11:57,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:57,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:11:57,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:57,683 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2021-01-06 19:11:57,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:57,840 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2021-01-06 19:11:57,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:11:57,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 19:11:57,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:57,841 INFO L225 Difference]: With dead ends: 707 [2021-01-06 19:11:57,841 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:11:57,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:11:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:11:57,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:11:57,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:11:57,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:11:57,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-01-06 19:11:57,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:57,845 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:11:57,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:11:57,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:11:57,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:11:57,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:11:57,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:11:58,400 WARN L197 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 189 [2021-01-06 19:11:58,665 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 163 [2021-01-06 19:11:58,976 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 173 [2021-01-06 19:11:59,383 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 188 [2021-01-06 19:11:59,654 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 165 [2021-01-06 19:11:59,991 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 191 [2021-01-06 19:12:00,123 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 90 [2021-01-06 19:12:00,632 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 173 [2021-01-06 19:12:01,598 WARN L197 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2021-01-06 19:12:02,176 WARN L197 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2021-01-06 19:12:02,322 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 22 [2021-01-06 19:12:03,003 WARN L197 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 34 [2021-01-06 19:12:03,903 WARN L197 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 29 [2021-01-06 19:12:04,099 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2021-01-06 19:12:04,716 WARN L197 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 27 [2021-01-06 19:12:05,850 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 182 DAG size of output: 33 [2021-01-06 19:12:06,130 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2021-01-06 19:12:06,553 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 29 [2021-01-06 19:12:06,861 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2021-01-06 19:12:07,291 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 37 [2021-01-06 19:12:08,062 WARN L197 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 26 [2021-01-06 19:12:08,092 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-01-06 19:12:08,092 INFO L189 CegarLoopUtils]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-01-06 19:12:08,092 INFO L189 CegarLoopUtils]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2021-01-06 19:12:08,092 INFO L189 CegarLoopUtils]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2021-01-06 19:12:08,092 INFO L189 CegarLoopUtils]: For program point L498-3(lines 498 504) no Hoare annotation was computed. [2021-01-06 19:12:08,093 INFO L189 CegarLoopUtils]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2021-01-06 19:12:08,093 INFO L189 CegarLoopUtils]: For program point L498-5(lines 498 504) no Hoare annotation was computed. [2021-01-06 19:12:08,093 INFO L189 CegarLoopUtils]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-01-06 19:12:08,093 INFO L189 CegarLoopUtils]: For program point L533(lines 533 537) no Hoare annotation was computed. [2021-01-06 19:12:08,093 INFO L189 CegarLoopUtils]: For program point L533-1(lines 131 137) no Hoare annotation was computed. [2021-01-06 19:12:08,094 INFO L185 CegarLoopUtils]: At program point L401(lines 1 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:12:08,094 INFO L185 CegarLoopUtils]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2021-01-06 19:12:08,095 INFO L185 CegarLoopUtils]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-01-06 19:12:08,095 INFO L185 CegarLoopUtils]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2021-01-06 19:12:08,095 INFO L185 CegarLoopUtils]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2021-01-06 19:12:08,095 INFO L189 CegarLoopUtils]: For program point L601(lines 601 608) no Hoare annotation was computed. [2021-01-06 19:12:08,095 INFO L192 CegarLoopUtils]: At program point L601-1(lines 601 608) the Hoare annotation is: true [2021-01-06 19:12:08,096 INFO L185 CegarLoopUtils]: At program point L503(lines 494 507) the Hoare annotation is: false [2021-01-06 19:12:08,096 INFO L185 CegarLoopUtils]: At program point L503-1(lines 494 507) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-01-06 19:12:08,096 INFO L185 CegarLoopUtils]: At program point L503-2(lines 494 507) the Hoare annotation is: false [2021-01-06 19:12:08,096 INFO L185 CegarLoopUtils]: At program point L503-3(lines 494 507) the Hoare annotation is: false [2021-01-06 19:12:08,096 INFO L185 CegarLoopUtils]: At program point L503-4(lines 494 507) the Hoare annotation is: false [2021-01-06 19:12:08,096 INFO L185 CegarLoopUtils]: At program point L503-5(lines 494 507) the Hoare annotation is: false [2021-01-06 19:12:08,097 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-01-06 19:12:08,097 INFO L185 CegarLoopUtils]: At program point L242(lines 237 245) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3))) [2021-01-06 19:12:08,097 INFO L185 CegarLoopUtils]: At program point L242-1(lines 237 245) the Hoare annotation is: false [2021-01-06 19:12:08,097 INFO L185 CegarLoopUtils]: At program point L242-2(lines 237 245) the Hoare annotation is: false [2021-01-06 19:12:08,100 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-01-06 19:12:08,101 INFO L185 CegarLoopUtils]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2021-01-06 19:12:08,101 INFO L185 CegarLoopUtils]: At program point L409(lines 404 412) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:12:08,101 INFO L185 CegarLoopUtils]: At program point L343(lines 338 345) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:12:08,101 INFO L189 CegarLoopUtils]: For program point L310(lines 310 314) no Hoare annotation was computed. [2021-01-06 19:12:08,102 INFO L189 CegarLoopUtils]: For program point L310-2(lines 310 314) no Hoare annotation was computed. [2021-01-06 19:12:08,102 INFO L189 CegarLoopUtils]: For program point L310-3(lines 310 314) no Hoare annotation was computed. [2021-01-06 19:12:08,102 INFO L189 CegarLoopUtils]: For program point L310-5(lines 310 314) no Hoare annotation was computed. [2021-01-06 19:12:08,102 INFO L189 CegarLoopUtils]: For program point L310-6(lines 310 314) no Hoare annotation was computed. [2021-01-06 19:12:08,102 INFO L189 CegarLoopUtils]: For program point L310-8(lines 310 314) no Hoare annotation was computed. [2021-01-06 19:12:08,102 INFO L192 CegarLoopUtils]: At program point L610(lines 591 613) the Hoare annotation is: true [2021-01-06 19:12:08,102 INFO L185 CegarLoopUtils]: At program point L577(lines 573 579) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:12:08,102 INFO L189 CegarLoopUtils]: For program point L445(lines 445 449) no Hoare annotation was computed. [2021-01-06 19:12:08,103 INFO L185 CegarLoopUtils]: At program point L513(lines 508 516) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:12:08,103 INFO L185 CegarLoopUtils]: At program point L513-1(lines 508 516) the Hoare annotation is: false [2021-01-06 19:12:08,103 INFO L185 CegarLoopUtils]: At program point L513-2(lines 508 516) the Hoare annotation is: false [2021-01-06 19:12:08,103 INFO L185 CegarLoopUtils]: At program point L316(lines 301 319) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~4 1)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:12:08,103 INFO L185 CegarLoopUtils]: At program point L316-1(lines 301 319) the Hoare annotation is: false [2021-01-06 19:12:08,103 INFO L185 CegarLoopUtils]: At program point L316-2(lines 301 319) the Hoare annotation is: false [2021-01-06 19:12:08,104 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:12:08,105 INFO L189 CegarLoopUtils]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-01-06 19:12:08,105 INFO L189 CegarLoopUtils]: For program point L354(lines 354 371) no Hoare annotation was computed. [2021-01-06 19:12:08,105 INFO L185 CegarLoopUtils]: At program point L354-1(lines 1 988) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2021-01-06 19:12:08,105 INFO L189 CegarLoopUtils]: For program point L354-2(lines 354 371) no Hoare annotation was computed. [2021-01-06 19:12:08,105 INFO L185 CegarLoopUtils]: At program point L354-3(lines 1 988) the Hoare annotation is: false [2021-01-06 19:12:08,105 INFO L189 CegarLoopUtils]: For program point L354-4(lines 354 371) no Hoare annotation was computed. [2021-01-06 19:12:08,106 INFO L189 CegarLoopUtils]: For program point L189(lines 189 206) no Hoare annotation was computed. [2021-01-06 19:12:08,106 INFO L185 CegarLoopUtils]: At program point L354-5(lines 1 988) the Hoare annotation is: false [2021-01-06 19:12:08,106 INFO L189 CegarLoopUtils]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2021-01-06 19:12:08,106 INFO L189 CegarLoopUtils]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2021-01-06 19:12:08,106 INFO L189 CegarLoopUtils]: For program point L619(line 619) no Hoare annotation was computed. [2021-01-06 19:12:08,106 INFO L189 CegarLoopUtils]: For program point L619-1(line 619) no Hoare annotation was computed. [2021-01-06 19:12:08,106 INFO L189 CegarLoopUtils]: For program point L619-2(line 619) no Hoare annotation was computed. [2021-01-06 19:12:08,106 INFO L189 CegarLoopUtils]: For program point L421(lines 421 425) no Hoare annotation was computed. [2021-01-06 19:12:08,107 INFO L189 CegarLoopUtils]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2021-01-06 19:12:08,107 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:12:08,107 INFO L189 CegarLoopUtils]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2021-01-06 19:12:08,107 INFO L189 CegarLoopUtils]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-01-06 19:12:08,108 INFO L189 CegarLoopUtils]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-01-06 19:12:08,108 INFO L189 CegarLoopUtils]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-01-06 19:12:08,108 INFO L185 CegarLoopUtils]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse4 (= ~methAndRunningLastTime~0 0) .cse3))) [2021-01-06 19:12:08,108 INFO L189 CegarLoopUtils]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,108 INFO L189 CegarLoopUtils]: For program point L291-2(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,108 INFO L189 CegarLoopUtils]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,108 INFO L189 CegarLoopUtils]: For program point L291-5(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,109 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-01-06 19:12:08,109 INFO L189 CegarLoopUtils]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,109 INFO L185 CegarLoopUtils]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not .cse1) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse4 .cse6 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse1 .cse2 .cse0 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse1 .cse0 .cse3 .cse4 .cse6 .cse5))) [2021-01-06 19:12:08,109 INFO L189 CegarLoopUtils]: For program point L291-8(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,109 INFO L189 CegarLoopUtils]: For program point L291-9(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,110 INFO L189 CegarLoopUtils]: For program point L291-11(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,110 INFO L189 CegarLoopUtils]: For program point L291-12(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,110 INFO L189 CegarLoopUtils]: For program point L291-14(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,110 INFO L189 CegarLoopUtils]: For program point L291-15(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,111 INFO L189 CegarLoopUtils]: For program point L291-17(lines 291 295) no Hoare annotation was computed. [2021-01-06 19:12:08,111 INFO L189 CegarLoopUtils]: For program point L358(lines 358 368) no Hoare annotation was computed. [2021-01-06 19:12:08,111 INFO L189 CegarLoopUtils]: For program point L358-2(lines 358 368) no Hoare annotation was computed. [2021-01-06 19:12:08,111 INFO L189 CegarLoopUtils]: For program point L358-4(lines 358 368) no Hoare annotation was computed. [2021-01-06 19:12:08,111 INFO L189 CegarLoopUtils]: For program point L193(lines 193 201) no Hoare annotation was computed. [2021-01-06 19:12:08,111 INFO L189 CegarLoopUtils]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2021-01-06 19:12:08,111 INFO L189 CegarLoopUtils]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2021-01-06 19:12:08,111 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:12:08,112 INFO L185 CegarLoopUtils]: At program point L458(lines 453 461) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2021-01-06 19:12:08,112 INFO L185 CegarLoopUtils]: At program point L458-1(lines 453 461) the Hoare annotation is: false [2021-01-06 19:12:08,112 INFO L185 CegarLoopUtils]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2021-01-06 19:12:08,112 INFO L189 CegarLoopUtils]: For program point L359(lines 359 365) no Hoare annotation was computed. [2021-01-06 19:12:08,112 INFO L189 CegarLoopUtils]: For program point L359-2(lines 359 365) no Hoare annotation was computed. [2021-01-06 19:12:08,112 INFO L189 CegarLoopUtils]: For program point L359-4(lines 359 365) no Hoare annotation was computed. [2021-01-06 19:12:08,113 INFO L189 CegarLoopUtils]: For program point L163(lines 163 180) no Hoare annotation was computed. [2021-01-06 19:12:08,113 INFO L189 CegarLoopUtils]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2021-01-06 19:12:08,113 INFO L189 CegarLoopUtils]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2021-01-06 19:12:08,114 INFO L189 CegarLoopUtils]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2021-01-06 19:12:08,114 INFO L189 CegarLoopUtils]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2021-01-06 19:12:08,114 INFO L189 CegarLoopUtils]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2021-01-06 19:12:08,114 INFO L185 CegarLoopUtils]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not .cse1) .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse5))) [2021-01-06 19:12:08,114 INFO L189 CegarLoopUtils]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2021-01-06 19:12:08,114 INFO L185 CegarLoopUtils]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2021-01-06 19:12:08,114 INFO L185 CegarLoopUtils]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2021-01-06 19:12:08,115 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:12:08,115 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-01-06 19:12:08,115 INFO L185 CegarLoopUtils]: At program point L297(lines 282 300) the Hoare annotation is: false [2021-01-06 19:12:08,115 INFO L185 CegarLoopUtils]: At program point L297-1(lines 282 300) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-01-06 19:12:08,115 INFO L185 CegarLoopUtils]: At program point L297-2(lines 282 300) the Hoare annotation is: false [2021-01-06 19:12:08,115 INFO L185 CegarLoopUtils]: At program point L297-3(lines 282 300) the Hoare annotation is: false [2021-01-06 19:12:08,116 INFO L185 CegarLoopUtils]: At program point L297-4(lines 282 300) the Hoare annotation is: false [2021-01-06 19:12:08,116 INFO L185 CegarLoopUtils]: At program point L297-5(lines 282 300) the Hoare annotation is: false [2021-01-06 19:12:08,116 INFO L185 CegarLoopUtils]: At program point L529-2(lines 529 543) the Hoare annotation is: false [2021-01-06 19:12:08,116 INFO L189 CegarLoopUtils]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-01-06 19:12:08,116 INFO L185 CegarLoopUtils]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2021-01-06 19:12:08,116 INFO L189 CegarLoopUtils]: For program point L530(line 530) no Hoare annotation was computed. [2021-01-06 19:12:08,116 INFO L189 CegarLoopUtils]: For program point L167(lines 167 175) no Hoare annotation was computed. [2021-01-06 19:12:08,117 INFO L189 CegarLoopUtils]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2021-01-06 19:12:08,117 INFO L189 CegarLoopUtils]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2021-01-06 19:12:08,117 INFO L189 CegarLoopUtils]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2021-01-06 19:12:08,117 INFO L189 CegarLoopUtils]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2021-01-06 19:12:08,117 INFO L189 CegarLoopUtils]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2021-01-06 19:12:08,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:12:08 BoogieIcfgContainer [2021-01-06 19:12:08,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:12:08,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:12:08,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:12:08,187 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:12:08,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:11:52" (3/4) ... [2021-01-06 19:12:08,192 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:12:08,226 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:12:08,227 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:12:08,228 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:12:08,230 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:12:08,231 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:12:08,232 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:12:08,233 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:12:08,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-01-06 19:12:08,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-01-06 19:12:08,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-01-06 19:12:08,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:12:08,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:12:08,273 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:12:08,274 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-01-06 19:12:08,275 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:12:08,275 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-01-06 19:12:08,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:12:08,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-01-06 19:12:08,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-01-06 19:12:08,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:12:08,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-01-06 19:12:08,287 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-01-06 19:12:08,287 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && !(tmp == 0)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:12:08,390 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product51.cil.c-witness.graphml [2021-01-06 19:12:08,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:12:08,392 INFO L168 Benchmark]: Toolchain (without parser) took 17749.91 ms. Allocated memory was 151.0 MB in the beginning and 352.3 MB in the end (delta: 201.3 MB). Free memory was 125.8 MB in the beginning and 253.1 MB in the end (delta: -127.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:08,392 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:12:08,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.94 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 103.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:08,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.89 ms. Allocated memory is still 151.0 MB. Free memory was 103.4 MB in the beginning and 131.1 MB in the end (delta: -27.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:08,393 INFO L168 Benchmark]: Boogie Preprocessor took 56.02 ms. Allocated memory is still 151.0 MB. Free memory was 131.1 MB in the beginning and 128.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:08,394 INFO L168 Benchmark]: RCFGBuilder took 1293.67 ms. Allocated memory is still 151.0 MB. Free memory was 128.4 MB in the beginning and 65.5 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:08,395 INFO L168 Benchmark]: TraceAbstraction took 15393.10 ms. Allocated memory was 151.0 MB in the beginning and 352.3 MB in the end (delta: 201.3 MB). Free memory was 65.0 MB in the beginning and 263.6 MB in the end (delta: -198.5 MB). Peak memory consumption was 147.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:08,395 INFO L168 Benchmark]: Witness Printer took 204.06 ms. Allocated memory is still 352.3 MB. Free memory was 263.6 MB in the beginning and 253.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:08,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 663.94 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 103.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 128.89 ms. Allocated memory is still 151.0 MB. Free memory was 103.4 MB in the beginning and 131.1 MB in the end (delta: -27.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.02 ms. Allocated memory is still 151.0 MB. Free memory was 131.1 MB in the beginning and 128.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1293.67 ms. Allocated memory is still 151.0 MB. Free memory was 128.4 MB in the beginning and 65.5 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15393.10 ms. Allocated memory was 151.0 MB in the beginning and 352.3 MB in the end (delta: 201.3 MB). Free memory was 65.0 MB in the beginning and 263.6 MB in the end (delta: -198.5 MB). Peak memory consumption was 147.0 MB. Max. memory is 8.0 GB. * Witness Printer took 204.06 ms. Allocated memory is still 352.3 MB. Free memory was 263.6 MB in the beginning and 253.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 619]: 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: 404]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && !(tmp == 0)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1407 SDtfs, 2159 SDslu, 2418 SDs, 0 SdLazy, 280 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 2170 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 825 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1299367 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 45 FomulaSimplificationsInter, 541484 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 35926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 82/82 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...