/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:12:49,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:12:49,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:12:49,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:12:49,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:12:49,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:12:49,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:12:49,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:12:49,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:12:49,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:12:49,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:12:49,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:12:49,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:12:49,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:12:49,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:12:49,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:12:49,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:12:49,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:12:49,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:12:49,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:12:49,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:12:49,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:12:49,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:12:49,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:12:49,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:12:49,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:12:49,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:12:49,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:12:49,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:12:49,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:12:49,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:12:49,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:12:49,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:12:49,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:12:49,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:12:49,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:12:49,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:12:49,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:12:49,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:12:49,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:12:49,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:12:49,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 01:12:49,809 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:12:49,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:12:49,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:12:49,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:12:49,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:12:49,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:12:49,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:12:49,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:12:49,811 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:12:49,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:12:49,812 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:12:49,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:12:49,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:12:49,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:12:49,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:12:49,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:12:49,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:12:49,812 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:12:49,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:12:49,813 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:12:49,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:12:49,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:12:49,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:12:49,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:12:49,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:12:49,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:12:49,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:12:49,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:12:49,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:12:49,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:12:49,814 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:12:49,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:12:49,814 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:12:49,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:12:49,814 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:12:49,814 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:12:50,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:12:50,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:12:50,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:12:50,064 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:12:50,064 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:12:50,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2023-03-31 01:12:51,167 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:12:51,403 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:12:51,404 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2023-03-31 01:12:51,411 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01ec2798/332f29bf831c4f978c5cb50320430efc/FLAG2a582bc29 [2023-03-31 01:12:51,422 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01ec2798/332f29bf831c4f978c5cb50320430efc [2023-03-31 01:12:51,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:12:51,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:12:51,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:12:51,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:12:51,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:12:51,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6986c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51, skipping insertion in model container [2023-03-31 01:12:51,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:12:51,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:12:51,643 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c[2897,2910] [2023-03-31 01:12:51,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:12:51,709 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:12:51,728 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c[2897,2910] [2023-03-31 01:12:51,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:12:51,822 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:12:51,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51 WrapperNode [2023-03-31 01:12:51,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:12:51,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:12:51,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:12:51,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:12:51,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:12:51,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:12:51,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:12:51,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:12:51,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51" (1/1) ... [2023-03-31 01:12:51,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:12:51,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:12:51,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 01:12:51,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 01:12:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:12:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:12:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:12:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:12:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 01:12:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 01:12:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:12:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 01:12:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:12:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:12:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:12:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 01:12:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 01:12:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-03-31 01:12:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 01:12:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:12:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:12:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:12:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 01:12:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 01:12:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 01:12:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 01:12:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 01:12:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 01:12:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:12:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:12:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:12:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:12:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 01:12:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:12:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:12:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:12:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:12:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:12:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 01:12:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 01:12:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 01:12:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 01:12:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 01:12:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 01:12:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-03-31 01:12:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 01:12:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-03-31 01:12:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 01:12:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 01:12:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:12:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:12:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:12:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:12:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:12:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:12:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:12:52,163 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:12:52,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:12:52,608 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:12:52,614 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:12:52,615 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 01:12:52,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:12:52 BoogieIcfgContainer [2023-03-31 01:12:52,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:12:52,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:12:52,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:12:52,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:12:52,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:12:51" (1/3) ... [2023-03-31 01:12:52,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7799f6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:12:52, skipping insertion in model container [2023-03-31 01:12:52,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:12:51" (2/3) ... [2023-03-31 01:12:52,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7799f6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:12:52, skipping insertion in model container [2023-03-31 01:12:52,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:12:52" (3/3) ... [2023-03-31 01:12:52,625 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2023-03-31 01:12:52,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:12:52,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:12:52,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:12:52,700 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33a39b24, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:12:52,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:12:52,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 86 states have internal predecessors, (101), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-03-31 01:12:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-03-31 01:12:52,719 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:12:52,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:12:52,720 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:12:52,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:12:52,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1632064235, now seen corresponding path program 1 times [2023-03-31 01:12:52,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:12:52,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934559047] [2023-03-31 01:12:52,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:12:52,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:12:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:52,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:12:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:12:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:12:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:12:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:12:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:12:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:12:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-03-31 01:12:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:12:53,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:12:53,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934559047] [2023-03-31 01:12:53,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934559047] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:12:53,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:12:53,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 01:12:53,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672118560] [2023-03-31 01:12:53,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:12:53,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:12:53,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:12:53,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:12:53,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:12:53,073 INFO L87 Difference]: Start difference. First operand has 141 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 86 states have internal predecessors, (101), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 01:12:53,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:12:53,438 INFO L93 Difference]: Finished difference Result 211 states and 284 transitions. [2023-03-31 01:12:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:12:53,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 52 [2023-03-31 01:12:53,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:12:53,452 INFO L225 Difference]: With dead ends: 211 [2023-03-31 01:12:53,453 INFO L226 Difference]: Without dead ends: 115 [2023-03-31 01:12:53,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:12:53,460 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 68 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:12:53,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 17 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:12:53,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-03-31 01:12:53,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 87. [2023-03-31 01:12:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 56 states have internal predecessors, (64), 21 states have call successors, (21), 19 states have call predecessors, (21), 14 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-03-31 01:12:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2023-03-31 01:12:53,513 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 52 [2023-03-31 01:12:53,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:12:53,514 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2023-03-31 01:12:53,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 01:12:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-03-31 01:12:53,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-03-31 01:12:53,518 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:12:53,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:12:53,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:12:53,519 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:12:53,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:12:53,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1654671658, now seen corresponding path program 1 times [2023-03-31 01:12:53,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:12:53,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095129388] [2023-03-31 01:12:53,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:12:53,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:12:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:12:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:12:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:12:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:12:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:12:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:12:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:12:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:12:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:53,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:12:53,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:12:53,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095129388] [2023-03-31 01:12:53,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095129388] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:12:53,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:12:53,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 01:12:53,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232602610] [2023-03-31 01:12:53,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:12:53,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 01:12:53,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:12:53,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 01:12:53,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:12:53,676 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 01:12:53,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:12:53,900 INFO L93 Difference]: Finished difference Result 144 states and 175 transitions. [2023-03-31 01:12:53,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:12:53,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2023-03-31 01:12:53,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:12:53,902 INFO L225 Difference]: With dead ends: 144 [2023-03-31 01:12:53,902 INFO L226 Difference]: Without dead ends: 99 [2023-03-31 01:12:53,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 01:12:53,903 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 78 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:12:53,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 21 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 01:12:53,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-03-31 01:12:53,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2023-03-31 01:12:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 50 states have internal predecessors, (57), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-03-31 01:12:53,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2023-03-31 01:12:53,935 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53 [2023-03-31 01:12:53,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:12:53,935 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2023-03-31 01:12:53,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 01:12:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2023-03-31 01:12:53,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-03-31 01:12:53,941 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:12:53,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:12:53,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:12:53,942 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:12:53,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:12:53,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1821622714, now seen corresponding path program 1 times [2023-03-31 01:12:53,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:12:53,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952020659] [2023-03-31 01:12:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:12:53,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:12:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:12:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:12:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:12:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:12:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:12:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:12:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 01:12:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 01:12:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:12:54,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:12:54,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952020659] [2023-03-31 01:12:54,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952020659] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:12:54,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:12:54,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:12:54,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708072269] [2023-03-31 01:12:54,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:12:54,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:12:54,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:12:54,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:12:54,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:12:54,173 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 6 states have internal predecessors, (35), 4 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 01:12:54,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:12:54,549 INFO L93 Difference]: Finished difference Result 153 states and 189 transitions. [2023-03-31 01:12:54,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 01:12:54,549 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 6 states have internal predecessors, (35), 4 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 57 [2023-03-31 01:12:54,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:12:54,550 INFO L225 Difference]: With dead ends: 153 [2023-03-31 01:12:54,550 INFO L226 Difference]: Without dead ends: 99 [2023-03-31 01:12:54,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:12:54,552 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 130 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:12:54,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 29 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:12:54,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-03-31 01:12:54,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2023-03-31 01:12:54,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 49 states have internal predecessors, (56), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-03-31 01:12:54,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2023-03-31 01:12:54,570 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57 [2023-03-31 01:12:54,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:12:54,570 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2023-03-31 01:12:54,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 6 states have internal predecessors, (35), 4 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 01:12:54,571 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-03-31 01:12:54,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-03-31 01:12:54,571 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:12:54,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:12:54,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:12:54,572 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:12:54,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:12:54,572 INFO L85 PathProgramCache]: Analyzing trace with hash -459802975, now seen corresponding path program 1 times [2023-03-31 01:12:54,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:12:54,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336741072] [2023-03-31 01:12:54,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:12:54,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:12:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:12:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:12:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:12:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:12:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:12:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:12:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:12:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:12:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-03-31 01:12:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:12:54,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:12:54,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336741072] [2023-03-31 01:12:54,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336741072] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:12:54,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:12:54,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 01:12:54,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928199928] [2023-03-31 01:12:54,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:12:54,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:12:54,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:12:54,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:12:54,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-03-31 01:12:54,806 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-03-31 01:12:55,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:12:55,215 INFO L93 Difference]: Finished difference Result 196 states and 245 transitions. [2023-03-31 01:12:55,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:12:55,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 60 [2023-03-31 01:12:55,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:12:55,220 INFO L225 Difference]: With dead ends: 196 [2023-03-31 01:12:55,220 INFO L226 Difference]: Without dead ends: 142 [2023-03-31 01:12:55,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:12:55,229 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 104 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:12:55,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 56 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:12:55,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-03-31 01:12:55,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 128. [2023-03-31 01:12:55,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 76 states have (on average 1.236842105263158) internal successors, (94), 83 states have internal predecessors, (94), 28 states have call successors, (28), 26 states have call predecessors, (28), 23 states have return successors, (28), 23 states have call predecessors, (28), 24 states have call successors, (28) [2023-03-31 01:12:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2023-03-31 01:12:55,262 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 60 [2023-03-31 01:12:55,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:12:55,262 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2023-03-31 01:12:55,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-03-31 01:12:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2023-03-31 01:12:55,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-03-31 01:12:55,265 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:12:55,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:12:55,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:12:55,265 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:12:55,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:12:55,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1072236859, now seen corresponding path program 1 times [2023-03-31 01:12:55,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:12:55,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078550744] [2023-03-31 01:12:55,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:12:55,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:12:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:12:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:12:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:12:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:12:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:12:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-03-31 01:12:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:12:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-03-31 01:12:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-03-31 01:12:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:12:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:12:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:12:55,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:12:55,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078550744] [2023-03-31 01:12:55,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078550744] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:12:55,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:12:55,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 01:12:55,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268915127] [2023-03-31 01:12:55,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:12:55,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 01:12:55,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:12:55,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 01:12:55,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-31 01:12:55,359 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-03-31 01:12:55,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:12:55,525 INFO L93 Difference]: Finished difference Result 192 states and 233 transitions. [2023-03-31 01:12:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 01:12:55,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 64 [2023-03-31 01:12:55,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:12:55,527 INFO L225 Difference]: With dead ends: 192 [2023-03-31 01:12:55,527 INFO L226 Difference]: Without dead ends: 127 [2023-03-31 01:12:55,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-03-31 01:12:55,528 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 109 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:12:55,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 24 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 01:12:55,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-03-31 01:12:55,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2023-03-31 01:12:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 75 states have internal predecessors, (85), 24 states have call successors, (24), 24 states have call predecessors, (24), 20 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) [2023-03-31 01:12:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 130 transitions. [2023-03-31 01:12:55,547 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 130 transitions. Word has length 64 [2023-03-31 01:12:55,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:12:55,547 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 130 transitions. [2023-03-31 01:12:55,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-03-31 01:12:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2023-03-31 01:12:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-03-31 01:12:55,548 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:12:55,548 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:12:55,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:12:55,548 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:12:55,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:12:55,549 INFO L85 PathProgramCache]: Analyzing trace with hash 150394843, now seen corresponding path program 1 times [2023-03-31 01:12:55,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:12:55,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269635169] [2023-03-31 01:12:55,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:12:55,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:12:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 01:12:55,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-31 01:12:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 01:12:55,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-03-31 01:12:55,593 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-31 01:12:55,594 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 01:12:55,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 01:12:55,598 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-03-31 01:12:55,600 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 01:12:55,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 01:12:55 BoogieIcfgContainer [2023-03-31 01:12:55,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 01:12:55,628 INFO L158 Benchmark]: Toolchain (without parser) took 4202.72ms. Allocated memory was 289.4MB in the beginning and 351.3MB in the end (delta: 61.9MB). Free memory was 256.5MB in the beginning and 158.2MB in the end (delta: 98.2MB). Peak memory consumption was 161.7MB. Max. memory is 8.0GB. [2023-03-31 01:12:55,628 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 01:12:55,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.38ms. Allocated memory is still 289.4MB. Free memory was 256.5MB in the beginning and 238.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 01:12:55,628 INFO L158 Benchmark]: Boogie Preprocessor took 86.61ms. Allocated memory is still 289.4MB. Free memory was 238.6MB in the beginning and 235.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-31 01:12:55,628 INFO L158 Benchmark]: RCFGBuilder took 705.33ms. Allocated memory is still 289.4MB. Free memory was 235.1MB in the beginning and 197.9MB in the end (delta: 37.1MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-03-31 01:12:55,628 INFO L158 Benchmark]: TraceAbstraction took 3009.28ms. Allocated memory was 289.4MB in the beginning and 351.3MB in the end (delta: 61.9MB). Free memory was 197.3MB in the beginning and 158.2MB in the end (delta: 39.1MB). Peak memory consumption was 101.9MB. Max. memory is 8.0GB. [2023-03-31 01:12:55,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 397.38ms. Allocated memory is still 289.4MB. Free memory was 256.5MB in the beginning and 238.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 86.61ms. Allocated memory is still 289.4MB. Free memory was 238.6MB in the beginning and 235.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 705.33ms. Allocated memory is still 289.4MB. Free memory was 235.1MB in the beginning and 197.9MB in the end (delta: 37.1MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3009.28ms. Allocated memory was 289.4MB in the beginning and 351.3MB in the end (delta: 61.9MB). Free memory was 197.3MB in the beginning and 158.2MB in the end (delta: 39.1MB). Peak memory consumption was 101.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 158]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L234] int pumpRunning = 0; [L235] int systemActive = 1; [L599] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L796] int waterLevel = 1; [L797] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=55, \old(head)={49:54}, \old(methaneLevelCritical)=53, \old(pumpRunning)=57, \old(systemActive)=52, \old(waterLevel)=51, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L136] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L137] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] int retValue_acc ; [L424] retValue_acc = 1 [L425] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L142] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L143] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L122] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L164] int splverifierCounter ; [L165] int tmp ; [L166] int tmp___0 ; [L167] int tmp___1 ; [L168] int tmp___2 ; [L171] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L173] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L175] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L181] tmp = __VERIFIER_nondet_int() [L183] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L185] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L814] COND TRUE waterLevel < 2 [L815] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L185] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L191] tmp___0 = __VERIFIER_nondet_int() [L193] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L201] tmp___2 = __VERIFIER_nondet_int() [L203] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___2=1, waterLevel=2] [L216] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L242] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L249] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L251] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L257] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L362] int tmp ; [L363] int tmp___0 ; [L364] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L368] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L835] int retValue_acc ; [L838] retValue_acc = methaneLevelCritical [L839] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L368] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L368] tmp = isMethaneLevelCritical() [L370] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L374] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L867] int retValue_acc ; [L870] retValue_acc = waterLevel [L871] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L374] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L374] tmp___0 = getWaterLevel() [L376] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L378] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] int retValue_acc ; [L318] retValue_acc = pumpRunning [L319] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L378] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L378] tmp___1 = isPumpRunning() [L380] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L384] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L158] reach_error() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 522 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 489 mSDsluCounter, 147 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1265 IncrementalHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 50 mSDtfsCounter, 1265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 96 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 605 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 incorrect! [2023-03-31 01:12:55,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...