/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:58:07,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:58:07,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:58:07,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:58:07,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:58:07,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:58:07,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:58:07,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:58:07,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:58:07,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:58:07,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:58:07,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:58:07,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:58:07,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:58:07,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:58:07,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:58:07,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:58:07,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:58:07,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:58:07,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:58:07,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:58:07,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:58:07,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:58:07,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:58:07,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:58:07,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:58:07,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:58:07,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:58:07,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:58:07,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:58:07,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:58:07,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:58:07,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:58:07,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:58:07,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:58:07,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:58:07,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:58:07,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:58:07,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:58:07,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:58:07,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:58:07,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 05:58:07,989 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:58:07,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:58:07,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:58:07,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:58:07,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:58:07,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:58:07,991 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:58:07,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:58:07,991 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:58:07,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:58:07,992 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:58:07,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:58:07,992 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:58:07,992 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:58:07,992 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:58:07,992 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:58:07,992 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:58:07,992 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:58:07,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:58:07,993 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:58:07,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:58:07,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:58:07,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:58:07,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:58:07,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:58:07,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:58:07,994 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:58:07,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:58:07,994 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:58:07,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:58:07,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:58:07,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:58:07,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:58:07,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:58:07,995 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:58:07,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:58:07,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:58:07,995 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:58:07,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:58:07,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:58:07,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:58:07,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:58:08,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:58:08,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:58:08,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:58:08,229 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:58:08,230 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:58:08,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2023-04-01 05:58:09,360 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:58:09,679 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:58:09,680 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2023-04-01 05:58:09,708 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec681e2c4/1f865cf9f2f84ab394a20c350625cc04/FLAG666a8ce0f [2023-04-01 05:58:09,732 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec681e2c4/1f865cf9f2f84ab394a20c350625cc04 [2023-04-01 05:58:09,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:58:09,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:58:09,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:58:09,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:58:09,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:58:09,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:58:09" (1/1) ... [2023-04-01 05:58:09,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd392c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:09, skipping insertion in model container [2023-04-01 05:58:09,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:58:09" (1/1) ... [2023-04-01 05:58:09,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:58:09,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:58:10,179 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_spec4_product14.cil.c[15980,15993] [2023-04-01 05:58:10,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:58:10,207 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:58:10,270 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_spec4_product14.cil.c[15980,15993] [2023-04-01 05:58:10,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:58:10,286 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:58:10,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10 WrapperNode [2023-04-01 05:58:10,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:58:10,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:58:10,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:58:10,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:58:10,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10" (1/1) ... [2023-04-01 05:58:10,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10" (1/1) ... [2023-04-01 05:58:10,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10" (1/1) ... [2023-04-01 05:58:10,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10" (1/1) ... [2023-04-01 05:58:10,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10" (1/1) ... [2023-04-01 05:58:10,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10" (1/1) ... [2023-04-01 05:58:10,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10" (1/1) ... [2023-04-01 05:58:10,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10" (1/1) ... [2023-04-01 05:58:10,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:58:10,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:58:10,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:58:10,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:58:10,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10" (1/1) ... [2023-04-01 05:58:10,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:58:10,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:58:10,416 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) [2023-04-01 05:58:10,418 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 [2023-04-01 05:58:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:58:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:58:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:58:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:58:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:58:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:58:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:58:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 05:58:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-01 05:58:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:58:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 05:58:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 05:58:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:58:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 05:58:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:58:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-01 05:58:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:58:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:58:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:58:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:58:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 05:58:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:58:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 05:58:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 05:58:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 05:58:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-01 05:58:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:58:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 05:58:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:58:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 05:58:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:58:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:58:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:58:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:58:10,727 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:58:10,749 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:58:11,290 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:58:11,389 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:58:11,389 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 05:58:11,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:58:11 BoogieIcfgContainer [2023-04-01 05:58:11,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:58:11,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:58:11,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:58:11,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:58:11,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:58:09" (1/3) ... [2023-04-01 05:58:11,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384cbc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:58:11, skipping insertion in model container [2023-04-01 05:58:11,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:10" (2/3) ... [2023-04-01 05:58:11,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384cbc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:58:11, skipping insertion in model container [2023-04-01 05:58:11,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:58:11" (3/3) ... [2023-04-01 05:58:11,401 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2023-04-01 05:58:11,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:58:11,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:58:11,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:58:11,466 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=FINITE_AUTOMATA, 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;@5a1c4358, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:58:11,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:58:11,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 72 states have internal predecessors, (76), 42 states have call successors, (42), 26 states have call predecessors, (42), 26 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2023-04-01 05:58:11,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-01 05:58:11,477 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:11,477 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] [2023-04-01 05:58:11,478 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:11,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:11,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1433063153, now seen corresponding path program 1 times [2023-04-01 05:58:11,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:11,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291230580] [2023-04-01 05:58:11,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:11,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:11,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:11,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291230580] [2023-04-01 05:58:11,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291230580] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:11,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:11,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:58:11,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733205851] [2023-04-01 05:58:11,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:11,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:58:11,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:11,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:58:11,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:58:11,763 INFO L87 Difference]: Start difference. First operand has 132 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 72 states have internal predecessors, (76), 42 states have call successors, (42), 26 states have call predecessors, (42), 26 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:58:11,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:11,825 INFO L93 Difference]: Finished difference Result 183 states and 220 transitions. [2023-04-01 05:58:11,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:58:11,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-01 05:58:11,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:11,835 INFO L225 Difference]: With dead ends: 183 [2023-04-01 05:58:11,835 INFO L226 Difference]: Without dead ends: 92 [2023-04-01 05:58:11,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:58:11,840 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:11,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:58:11,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-04-01 05:58:11,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-04-01 05:58:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 55 states have internal predecessors, (57), 26 states have call successors, (26), 23 states have call predecessors, (26), 18 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2023-04-01 05:58:11,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2023-04-01 05:58:11,888 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 42 [2023-04-01 05:58:11,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:11,889 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2023-04-01 05:58:11,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:58:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2023-04-01 05:58:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-01 05:58:11,891 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:11,891 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] [2023-04-01 05:58:11,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:58:11,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:11,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:11,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1009114072, now seen corresponding path program 1 times [2023-04-01 05:58:11,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:11,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158879330] [2023-04-01 05:58:11,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:11,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:12,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:12,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:12,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158879330] [2023-04-01 05:58:12,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158879330] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:12,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:12,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:58:12,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602222517] [2023-04-01 05:58:12,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:12,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:58:12,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:12,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:58:12,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:58:12,019 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:58:12,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:12,062 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2023-04-01 05:58:12,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:58:12,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-01 05:58:12,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:12,065 INFO L225 Difference]: With dead ends: 137 [2023-04-01 05:58:12,065 INFO L226 Difference]: Without dead ends: 84 [2023-04-01 05:58:12,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:58:12,067 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 9 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:12,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 147 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:58:12,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-04-01 05:58:12,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-04-01 05:58:12,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 50 states have internal predecessors, (51), 23 states have call successors, (23), 22 states have call predecessors, (23), 18 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-01 05:58:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2023-04-01 05:58:12,074 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 43 [2023-04-01 05:58:12,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:12,074 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2023-04-01 05:58:12,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:58:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2023-04-01 05:58:12,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-01 05:58:12,075 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:12,075 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] [2023-04-01 05:58:12,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:58:12,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:12,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:12,076 INFO L85 PathProgramCache]: Analyzing trace with hash -497874435, now seen corresponding path program 1 times [2023-04-01 05:58:12,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:12,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496201601] [2023-04-01 05:58:12,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:12,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:12,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:12,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496201601] [2023-04-01 05:58:12,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496201601] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:12,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:12,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 05:58:12,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477643568] [2023-04-01 05:58:12,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:12,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 05:58:12,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:12,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 05:58:12,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:58:12,296 INFO L87 Difference]: Start difference. First operand 84 states and 93 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 05:58:12,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:12,422 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2023-04-01 05:58:12,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:58:12,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 46 [2023-04-01 05:58:12,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:12,424 INFO L225 Difference]: With dead ends: 146 [2023-04-01 05:58:12,424 INFO L226 Difference]: Without dead ends: 84 [2023-04-01 05:58:12,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-01 05:58:12,425 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 82 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:12,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 220 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:58:12,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-04-01 05:58:12,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-04-01 05:58:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 49 states have internal predecessors, (50), 23 states have call successors, (23), 22 states have call predecessors, (23), 18 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-01 05:58:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2023-04-01 05:58:12,432 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 46 [2023-04-01 05:58:12,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:12,432 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2023-04-01 05:58:12,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 05:58:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2023-04-01 05:58:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-04-01 05:58:12,433 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:12,434 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] [2023-04-01 05:58:12,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:58:12,434 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:12,434 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:12,434 INFO L85 PathProgramCache]: Analyzing trace with hash -723111384, now seen corresponding path program 1 times [2023-04-01 05:58:12,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:12,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024766439] [2023-04-01 05:58:12,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:12,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:12,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:12,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024766439] [2023-04-01 05:58:12,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024766439] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:12,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:12,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-01 05:58:12,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268324366] [2023-04-01 05:58:12,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:12,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 05:58:12,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:12,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 05:58:12,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-01 05:58:12,582 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-01 05:58:12,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:12,821 INFO L93 Difference]: Finished difference Result 253 states and 294 transitions. [2023-04-01 05:58:12,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-01 05:58:12,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 54 [2023-04-01 05:58:12,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:12,824 INFO L225 Difference]: With dead ends: 253 [2023-04-01 05:58:12,824 INFO L226 Difference]: Without dead ends: 191 [2023-04-01 05:58:12,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-04-01 05:58:12,825 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 142 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:12,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 487 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:58:12,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-04-01 05:58:12,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2023-04-01 05:58:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 97 states have (on average 1.2061855670103092) internal successors, (117), 113 states have internal predecessors, (117), 46 states have call successors, (46), 43 states have call predecessors, (46), 39 states have return successors, (44), 36 states have call predecessors, (44), 42 states have call successors, (44) [2023-04-01 05:58:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 207 transitions. [2023-04-01 05:58:12,844 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 207 transitions. Word has length 54 [2023-04-01 05:58:12,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:12,844 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 207 transitions. [2023-04-01 05:58:12,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-01 05:58:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 207 transitions. [2023-04-01 05:58:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-04-01 05:58:12,846 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:12,846 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] [2023-04-01 05:58:12,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:58:12,846 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:12,846 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:12,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1458526821, now seen corresponding path program 1 times [2023-04-01 05:58:12,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:12,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348713434] [2023-04-01 05:58:12,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:12,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:12,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:12,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348713434] [2023-04-01 05:58:12,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348713434] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:12,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:12,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 05:58:12,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994393175] [2023-04-01 05:58:12,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:12,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 05:58:12,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:12,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 05:58:12,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:58:12,898 INFO L87 Difference]: Start difference. First operand 183 states and 207 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-04-01 05:58:13,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:13,149 INFO L93 Difference]: Finished difference Result 443 states and 535 transitions. [2023-04-01 05:58:13,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:58:13,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 60 [2023-04-01 05:58:13,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:13,151 INFO L225 Difference]: With dead ends: 443 [2023-04-01 05:58:13,151 INFO L226 Difference]: Without dead ends: 282 [2023-04-01 05:58:13,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:58:13,152 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 137 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:13,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 151 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:58:13,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-04-01 05:58:13,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 265. [2023-04-01 05:58:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 149 states have (on average 1.2013422818791946) internal successors, (179), 167 states have internal predecessors, (179), 60 states have call successors, (60), 60 states have call predecessors, (60), 55 states have return successors, (64), 55 states have call predecessors, (64), 56 states have call successors, (64) [2023-04-01 05:58:13,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 303 transitions. [2023-04-01 05:58:13,173 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 303 transitions. Word has length 60 [2023-04-01 05:58:13,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:13,173 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 303 transitions. [2023-04-01 05:58:13,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-04-01 05:58:13,173 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 303 transitions. [2023-04-01 05:58:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-04-01 05:58:13,174 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:13,174 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, 1, 1] [2023-04-01 05:58:13,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 05:58:13,175 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:13,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:13,175 INFO L85 PathProgramCache]: Analyzing trace with hash -808943185, now seen corresponding path program 1 times [2023-04-01 05:58:13,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:13,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657253866] [2023-04-01 05:58:13,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:13,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:13,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:13,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657253866] [2023-04-01 05:58:13,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657253866] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:13,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:13,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:58:13,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466303165] [2023-04-01 05:58:13,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:13,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:58:13,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:13,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:58:13,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:58:13,230 INFO L87 Difference]: Start difference. First operand 265 states and 303 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-01 05:58:13,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:13,301 INFO L93 Difference]: Finished difference Result 292 states and 331 transitions. [2023-04-01 05:58:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:58:13,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 66 [2023-04-01 05:58:13,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:13,303 INFO L225 Difference]: With dead ends: 292 [2023-04-01 05:58:13,303 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 05:58:13,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 05:58:13,304 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 61 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:13,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 199 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:58:13,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 05:58:13,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 05:58:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 05:58:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 05:58:13,305 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2023-04-01 05:58:13,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:13,305 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 05:58:13,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-01 05:58:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 05:58:13,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 05:58:13,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 05:58:13,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 05:58:13,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 05:58:13,896 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 05:58:13,896 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 05:58:13,896 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 261) no Hoare annotation was computed. [2023-04-01 05:58:13,896 INFO L899 garLoopResultBuilder]: For program point L251-2(lines 251 272) no Hoare annotation was computed. [2023-04-01 05:58:13,896 INFO L899 garLoopResultBuilder]: For program point L273(lines 250 274) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 226 281) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 226 281) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 318) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 282 341) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 333) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point L334(lines 307 335) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 282 341) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 282 341) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-04-01 05:58:13,897 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-04-01 05:58:13,897 INFO L895 garLoopResultBuilder]: At program point L892(line 892) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2023-04-01 05:58:13,897 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed. [2023-04-01 05:58:13,898 INFO L895 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= ~waterLevel~0 0)) [2023-04-01 05:58:13,898 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-04-01 05:58:13,898 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 899) no Hoare annotation was computed. [2023-04-01 05:58:13,898 INFO L899 garLoopResultBuilder]: For program point L886-1(lines 878 902) no Hoare annotation was computed. [2023-04-01 05:58:13,898 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2023-04-01 05:58:13,898 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2023-04-01 05:58:13,898 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 878 902) no Hoare annotation was computed. [2023-04-01 05:58:13,898 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 878 902) the Hoare annotation is: true [2023-04-01 05:58:13,898 INFO L895 garLoopResultBuilder]: At program point L866-1(line 866) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~6 1))) [2023-04-01 05:58:13,898 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 871) no Hoare annotation was computed. [2023-04-01 05:58:13,898 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 864 871) no Hoare annotation was computed. [2023-04-01 05:58:13,898 INFO L899 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2023-04-01 05:58:13,898 INFO L895 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:13,898 INFO L895 garLoopResultBuilder]: At program point L860(line 860) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:13,899 INFO L895 garLoopResultBuilder]: At program point L860-1(line 860) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 854 876) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 854 876) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:13,899 INFO L895 garLoopResultBuilder]: At program point L866(line 866) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~6 1))) [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L829(line 829) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L825(line 825) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L824(line 824) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L823(line 823) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L822(line 822) no Hoare annotation was computed. [2023-04-01 05:58:13,899 INFO L899 garLoopResultBuilder]: For program point L821(line 821) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point L820(line 820) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point L819(line 819) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point L818(line 818) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 813 836) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 493 538) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 493 538) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L895 garLoopResultBuilder]: At program point L669(line 669) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L895 garLoopResultBuilder]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L895 garLoopResultBuilder]: At program point L660(line 660) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 666) no Hoare annotation was computed. [2023-04-01 05:58:13,900 INFO L895 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-04-01 05:58:13,900 INFO L899 garLoopResultBuilder]: For program point L656-1(line 656) no Hoare annotation was computed. [2023-04-01 05:58:13,901 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 671) no Hoare annotation was computed. [2023-04-01 05:58:13,901 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 650 674) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-04-01 05:58:13,901 INFO L895 garLoopResultBuilder]: At program point L601(lines 552 602) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:13,901 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 543 608) no Hoare annotation was computed. [2023-04-01 05:58:13,901 INFO L895 garLoopResultBuilder]: At program point L591-2(lines 583 596) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-01 05:58:13,901 INFO L899 garLoopResultBuilder]: For program point L554(lines 553 600) no Hoare annotation was computed. [2023-04-01 05:58:13,901 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 543 608) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:13,901 INFO L895 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-01 05:58:13,901 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 596) no Hoare annotation was computed. [2023-04-01 05:58:13,901 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-01 05:58:13,901 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2023-04-01 05:58:13,901 INFO L899 garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2023-04-01 05:58:13,901 INFO L895 garLoopResultBuilder]: At program point L598(lines 553 600) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-01 05:58:13,901 INFO L895 garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point L563(lines 563 569) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 543 608) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 141 163) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point L688(line 688) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point L688-1(line 688) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 683 699) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 683 699) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point L694(line 694) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point L694-1(lines 683 699) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 696) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 164 172) the Hoare annotation is: true [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 140) the Hoare annotation is: true [2023-04-01 05:58:13,902 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2023-04-01 05:58:13,902 INFO L895 garLoopResultBuilder]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2023-04-01 05:58:13,903 INFO L895 garLoopResultBuilder]: At program point L629(lines 629 635) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2023-04-01 05:58:13,903 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-04-01 05:58:13,903 INFO L899 garLoopResultBuilder]: For program point L622(lines 621 640) no Hoare annotation was computed. [2023-04-01 05:58:13,903 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 618 641) no Hoare annotation was computed. [2023-04-01 05:58:13,903 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 618 641) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2023-04-01 05:58:13,903 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 618 641) no Hoare annotation was computed. [2023-04-01 05:58:13,903 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2023-04-01 05:58:13,903 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 801) no Hoare annotation was computed. [2023-04-01 05:58:13,903 INFO L902 garLoopResultBuilder]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2023-04-01 05:58:13,903 INFO L902 garLoopResultBuilder]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2023-04-01 05:58:13,903 INFO L902 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: true [2023-04-01 05:58:13,903 INFO L899 garLoopResultBuilder]: For program point L789-1(line 789) no Hoare annotation was computed. [2023-04-01 05:58:13,903 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 812) the Hoare annotation is: true [2023-04-01 05:58:13,903 INFO L902 garLoopResultBuilder]: At program point L808(lines 783 812) the Hoare annotation is: true [2023-04-01 05:58:13,903 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-04-01 05:58:13,903 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2023-04-01 05:58:13,904 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 96 107) the Hoare annotation is: true [2023-04-01 05:58:13,904 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 764 771) no Hoare annotation was computed. [2023-04-01 05:58:13,904 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 764 771) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:13,904 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2023-04-01 05:58:13,904 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 108 119) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (= ~waterLevel~0 1)) [2023-04-01 05:58:13,904 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 773 780) the Hoare annotation is: true [2023-04-01 05:58:13,904 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 777) no Hoare annotation was computed. [2023-04-01 05:58:13,904 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 773 780) no Hoare annotation was computed. [2023-04-01 05:58:13,904 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-04-01 05:58:13,904 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-04-01 05:58:13,904 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 642 648) no Hoare annotation was computed. [2023-04-01 05:58:13,904 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 642 648) the Hoare annotation is: true [2023-04-01 05:58:13,904 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 675 682) no Hoare annotation was computed. [2023-04-01 05:58:13,904 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 675 682) no Hoare annotation was computed. [2023-04-01 05:58:13,904 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 719 727) no Hoare annotation was computed. [2023-04-01 05:58:13,904 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 719 727) the Hoare annotation is: true [2023-04-01 05:58:13,904 INFO L899 garLoopResultBuilder]: For program point L758(line 758) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point L758-1(line 758) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 728 763) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 728 763) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 180 225) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 180 225) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 844 853) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 844 853) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 844 853) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 708 718) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 708 718) the Hoare annotation is: true [2023-04-01 05:58:13,905 INFO L902 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: true [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point L713-1(line 713) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 700 707) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 700 707) the Hoare annotation is: true [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 447 492) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 447 492) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-04-01 05:58:13,905 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point L409(line 409) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point L409-1(line 409) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 372) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 344 446) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point L393-2(lines 393 413) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 344 446) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point L414(lines 392 415) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 389) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 344 446) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point L394(lines 393 413) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point L425-1(line 425) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 431) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 120 131) the Hoare annotation is: true [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:58:13,906 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 05:58:13,907 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2023-04-01 05:58:13,907 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2023-04-01 05:58:13,907 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:58:13,907 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-01 05:58:13,907 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 05:58:13,907 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:58:13,909 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-01 05:58:13,910 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 05:58:13,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 05:58:13 BoogieIcfgContainer [2023-04-01 05:58:13,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 05:58:13,918 INFO L158 Benchmark]: Toolchain (without parser) took 4182.76ms. Allocated memory is still 351.3MB. Free memory was 311.9MB in the beginning and 177.7MB in the end (delta: 134.2MB). Peak memory consumption was 134.7MB. Max. memory is 8.0GB. [2023-04-01 05:58:13,918 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 134.4MB in the beginning and 134.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 05:58:13,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.43ms. Allocated memory is still 351.3MB. Free memory was 311.3MB in the beginning and 293.5MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-01 05:58:13,919 INFO L158 Benchmark]: Boogie Preprocessor took 78.89ms. Allocated memory is still 351.3MB. Free memory was 293.5MB in the beginning and 290.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 05:58:13,919 INFO L158 Benchmark]: RCFGBuilder took 1026.54ms. Allocated memory is still 351.3MB. Free memory was 290.4MB in the beginning and 233.2MB in the end (delta: 57.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2023-04-01 05:58:13,919 INFO L158 Benchmark]: TraceAbstraction took 2523.03ms. Allocated memory is still 351.3MB. Free memory was 232.7MB in the beginning and 177.7MB in the end (delta: 55.0MB). Peak memory consumption was 56.1MB. Max. memory is 8.0GB. [2023-04-01 05:58:13,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 134.4MB in the beginning and 134.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 545.43ms. Allocated memory is still 351.3MB. Free memory was 311.3MB in the beginning and 293.5MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.89ms. Allocated memory is still 351.3MB. Free memory was 293.5MB in the beginning and 290.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1026.54ms. Allocated memory is still 351.3MB. Free memory was 290.4MB in the beginning and 233.2MB in the end (delta: 57.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2523.03ms. Allocated memory is still 351.3MB. Free memory was 232.7MB in the beginning and 177.7MB in the end (delta: 55.0MB). Peak memory consumption was 56.1MB. 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 - PositiveResult [Line: 777]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 173 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 431 mSDsluCounter, 1304 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 846 IncrementalHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 458 mSDtfsCounter, 846 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=5, InterpolantAutomatonStates: 38, 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, 6 MinimizatonAttempts, 25 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 332 PreInvPairs, 365 NumberOfFragments, 597 HoareAnnotationTreeSize, 332 FomulaSimplifications, 311 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1058 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 492 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 05:58:13,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...