/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 IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:55:24,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:55:24,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:55:24,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:55:24,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:55:24,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:55:24,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:55:24,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:55:24,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:55:24,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:55:24,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:55:24,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:55:24,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:55:24,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:55:24,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:55:24,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:55:24,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:55:24,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:55:24,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:55:24,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:55:24,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:55:24,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:55:25,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:55:25,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:55:25,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:55:25,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:55:25,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:55:25,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:55:25,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:55:25,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:55:25,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:55:25,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:55:25,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:55:25,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:55:25,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:55:25,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:55:25,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:55:25,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:55:25,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:55:25,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:55:25,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:55:25,014 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 [2023-03-31 23:55:25,045 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:55:25,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:55:25,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:55:25,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:55:25,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:55:25,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:55:25,047 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:55:25,047 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:55:25,047 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:55:25,047 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:55:25,047 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:55:25,047 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:55:25,048 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:55:25,048 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:55:25,048 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:55:25,048 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:55:25,048 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:55:25,048 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:55:25,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:55:25,049 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:55:25,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:55:25,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:55:25,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:55:25,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:55:25,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:55:25,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:55:25,050 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:55:25,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:55:25,055 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:55:25,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:55:25,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:55:25,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:55:25,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:55:25,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:55:25,056 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:55:25,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:55:25,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:55:25,057 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:55:25,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:55:25,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:55:25,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:55:25,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:55:25,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:55:25,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:55:25,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:55:25,323 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:55:25,323 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:55:25,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2023-03-31 23:55:26,530 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:55:26,762 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:55:26,763 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2023-03-31 23:55:26,776 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6f52b28/1db250ab6c5a4b03a927e6dab8eb8c24/FLAGfc8acab57 [2023-03-31 23:55:26,787 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6f52b28/1db250ab6c5a4b03a927e6dab8eb8c24 [2023-03-31 23:55:26,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:55:26,790 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:55:26,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:55:26,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:55:26,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:55:26,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:55:26" (1/1) ... [2023-03-31 23:55:26,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd197dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:26, skipping insertion in model container [2023-03-31 23:55:26,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:55:26" (1/1) ... [2023-03-31 23:55:26,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:55:26,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:55:27,104 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] [2023-03-31 23:55:27,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:55:27,132 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:55:27,181 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] [2023-03-31 23:55:27,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:55:27,200 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:55:27,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27 WrapperNode [2023-03-31 23:55:27,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:55:27,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:55:27,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:55:27,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:55:27,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27" (1/1) ... [2023-03-31 23:55:27,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27" (1/1) ... [2023-03-31 23:55:27,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27" (1/1) ... [2023-03-31 23:55:27,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27" (1/1) ... [2023-03-31 23:55:27,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27" (1/1) ... [2023-03-31 23:55:27,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27" (1/1) ... [2023-03-31 23:55:27,275 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27" (1/1) ... [2023-03-31 23:55:27,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27" (1/1) ... [2023-03-31 23:55:27,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:55:27,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:55:27,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:55:27,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:55:27,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27" (1/1) ... [2023-03-31 23:55:27,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:55:27,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:55:27,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 23:55:27,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 23:55:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:55:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:55:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:55:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:55:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:55:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:55:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:55:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:55:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:55:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:55:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:55:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:55:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:55:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:55:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:55:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:55:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:55:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:55:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:55:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:55:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:55:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:55:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:55:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:55:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-03-31 23:55:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:55:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:55:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:55:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 23:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 23:55:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:55:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:55:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:55:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:55:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:55:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:55:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:55:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:55:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 23:55:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:55:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:55:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:55:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:55:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:55:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:55:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:55:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 23:55:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:55:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:55:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:55:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-03-31 23:55:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:55:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:55:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:55:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:55:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:55:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:55:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:55:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:55:27,561 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:55:27,564 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:55:28,084 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:55:28,218 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:55:28,218 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:55:28,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:55:28 BoogieIcfgContainer [2023-03-31 23:55:28,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:55:28,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:55:28,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:55:28,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:55:28,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:55:26" (1/3) ... [2023-03-31 23:55:28,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea69a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:55:28, skipping insertion in model container [2023-03-31 23:55:28,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:27" (2/3) ... [2023-03-31 23:55:28,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea69a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:55:28, skipping insertion in model container [2023-03-31 23:55:28,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:55:28" (3/3) ... [2023-03-31 23:55:28,229 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2023-03-31 23:55:28,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:55:28,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:55:28,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:55:28,304 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;@e9dda34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:55:28,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:55:28,310 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) [2023-03-31 23:55:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-03-31 23:55:28,318 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:28,318 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] [2023-03-31 23:55:28,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:28,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:28,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1433063153, now seen corresponding path program 1 times [2023-03-31 23:55:28,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:28,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420305243] [2023-03-31 23:55:28,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:28,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:28,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:28,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420305243] [2023-03-31 23:55:28,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420305243] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:28,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:28,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:55:28,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208402836] [2023-03-31 23:55:28,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:28,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:55:28,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:28,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:55:28,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:55:28,630 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) [2023-03-31 23:55:28,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:28,699 INFO L93 Difference]: Finished difference Result 183 states and 220 transitions. [2023-03-31 23:55:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:55:28,701 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 [2023-03-31 23:55:28,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:28,709 INFO L225 Difference]: With dead ends: 183 [2023-03-31 23:55:28,710 INFO L226 Difference]: Without dead ends: 92 [2023-03-31 23:55:28,713 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 [2023-03-31 23:55:28,716 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 [2023-03-31 23:55:28,717 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] [2023-03-31 23:55:28,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-03-31 23:55:28,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-03-31 23:55:28,754 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) [2023-03-31 23:55:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2023-03-31 23:55:28,756 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 42 [2023-03-31 23:55:28,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:28,757 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2023-03-31 23:55:28,758 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) [2023-03-31 23:55:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2023-03-31 23:55:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-03-31 23:55:28,760 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:28,760 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] [2023-03-31 23:55:28,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:55:28,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:28,761 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:28,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1009114072, now seen corresponding path program 1 times [2023-03-31 23:55:28,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:28,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823839481] [2023-03-31 23:55:28,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:28,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:28,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:28,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823839481] [2023-03-31 23:55:28,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823839481] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:28,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:28,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:55:28,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183646862] [2023-03-31 23:55:28,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:28,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:55:28,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:28,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:55:28,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:55:28,837 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) [2023-03-31 23:55:28,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:28,883 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2023-03-31 23:55:28,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:55:28,884 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 [2023-03-31 23:55:28,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:28,887 INFO L225 Difference]: With dead ends: 137 [2023-03-31 23:55:28,887 INFO L226 Difference]: Without dead ends: 84 [2023-03-31 23:55:28,889 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 [2023-03-31 23:55:28,890 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 [2023-03-31 23:55:28,890 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] [2023-03-31 23:55:28,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-03-31 23:55:28,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-03-31 23:55:28,898 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) [2023-03-31 23:55:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2023-03-31 23:55:28,899 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 43 [2023-03-31 23:55:28,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:28,899 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2023-03-31 23:55:28,899 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) [2023-03-31 23:55:28,899 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2023-03-31 23:55:28,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 23:55:28,905 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:28,905 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] [2023-03-31 23:55:28,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:55:28,905 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:28,905 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:28,906 INFO L85 PathProgramCache]: Analyzing trace with hash -497874435, now seen corresponding path program 1 times [2023-03-31 23:55:28,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:28,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154614106] [2023-03-31 23:55:28,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:28,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:29,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:29,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154614106] [2023-03-31 23:55:29,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154614106] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:29,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:29,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:55:29,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715385189] [2023-03-31 23:55:29,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:29,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:55:29,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:29,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:55:29,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:55:29,131 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) [2023-03-31 23:55:29,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:29,334 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2023-03-31 23:55:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 23:55:29,334 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 [2023-03-31 23:55:29,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:29,335 INFO L225 Difference]: With dead ends: 146 [2023-03-31 23:55:29,335 INFO L226 Difference]: Without dead ends: 84 [2023-03-31 23:55:29,336 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 [2023-03-31 23:55:29,337 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 [2023-03-31 23:55:29,337 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] [2023-03-31 23:55:29,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-03-31 23:55:29,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-03-31 23:55:29,347 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) [2023-03-31 23:55:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2023-03-31 23:55:29,348 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 46 [2023-03-31 23:55:29,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:29,348 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2023-03-31 23:55:29,348 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) [2023-03-31 23:55:29,348 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2023-03-31 23:55:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-03-31 23:55:29,349 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:29,350 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] [2023-03-31 23:55:29,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:55:29,350 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:29,350 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:29,350 INFO L85 PathProgramCache]: Analyzing trace with hash -723111384, now seen corresponding path program 1 times [2023-03-31 23:55:29,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:29,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155529047] [2023-03-31 23:55:29,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:29,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:29,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:29,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155529047] [2023-03-31 23:55:29,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155529047] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:29,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:29,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 23:55:29,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208374154] [2023-03-31 23:55:29,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:29,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 23:55:29,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:29,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 23:55:29,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:55:29,600 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) [2023-03-31 23:55:29,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:29,941 INFO L93 Difference]: Finished difference Result 253 states and 294 transitions. [2023-03-31 23:55:29,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 23:55:29,942 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 [2023-03-31 23:55:29,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:29,951 INFO L225 Difference]: With dead ends: 253 [2023-03-31 23:55:29,952 INFO L226 Difference]: Without dead ends: 191 [2023-03-31 23:55:29,955 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 [2023-03-31 23:55:29,959 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 142 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2023-03-31 23:55:29,960 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] [2023-03-31 23:55:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-03-31 23:55:29,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2023-03-31 23:55:29,996 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) [2023-03-31 23:55:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 207 transitions. [2023-03-31 23:55:29,997 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 207 transitions. Word has length 54 [2023-03-31 23:55:29,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:29,998 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 207 transitions. [2023-03-31 23:55:29,998 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) [2023-03-31 23:55:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 207 transitions. [2023-03-31 23:55:30,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-03-31 23:55:30,000 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:30,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:55:30,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:55:30,000 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:30,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:30,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1458526821, now seen corresponding path program 1 times [2023-03-31 23:55:30,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:30,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555218420] [2023-03-31 23:55:30,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:30,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:30,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:30,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555218420] [2023-03-31 23:55:30,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555218420] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:30,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:30,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 23:55:30,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106912212] [2023-03-31 23:55:30,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:30,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 23:55:30,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:30,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 23:55:30,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 23:55:30,061 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) [2023-03-31 23:55:30,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:30,412 INFO L93 Difference]: Finished difference Result 443 states and 535 transitions. [2023-03-31 23:55:30,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 23:55:30,413 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 [2023-03-31 23:55:30,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:30,416 INFO L225 Difference]: With dead ends: 443 [2023-03-31 23:55:30,416 INFO L226 Difference]: Without dead ends: 282 [2023-03-31 23:55:30,418 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 [2023-03-31 23:55:30,419 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, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:55:30,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 151 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:55:30,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-03-31 23:55:30,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 265. [2023-03-31 23:55:30,468 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) [2023-03-31 23:55:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 303 transitions. [2023-03-31 23:55:30,469 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 303 transitions. Word has length 60 [2023-03-31 23:55:30,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:30,470 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 303 transitions. [2023-03-31 23:55:30,470 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) [2023-03-31 23:55:30,470 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 303 transitions. [2023-03-31 23:55:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-03-31 23:55:30,472 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:30,472 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] [2023-03-31 23:55:30,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:55:30,472 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:30,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:30,473 INFO L85 PathProgramCache]: Analyzing trace with hash -808943185, now seen corresponding path program 1 times [2023-03-31 23:55:30,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:30,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686303118] [2023-03-31 23:55:30,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:30,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:30,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:30,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:30,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686303118] [2023-03-31 23:55:30,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686303118] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:30,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:30,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 23:55:30,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760528338] [2023-03-31 23:55:30,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:30,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 23:55:30,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:30,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 23:55:30,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 23:55:30,555 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) [2023-03-31 23:55:30,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:30,642 INFO L93 Difference]: Finished difference Result 292 states and 331 transitions. [2023-03-31 23:55:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 23:55:30,643 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 [2023-03-31 23:55:30,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:30,643 INFO L225 Difference]: With dead ends: 292 [2023-03-31 23:55:30,643 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:55:30,644 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 [2023-03-31 23:55:30,645 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, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:55:30,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 199 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:55:30,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:55:30,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:55:30,647 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) [2023-03-31 23:55:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:55:30,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2023-03-31 23:55:30,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:30,648 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:55:30,648 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) [2023-03-31 23:55:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:55:30,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:55:30,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:55:30,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 23:55:30,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:55:31,360 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:55:31,360 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:55:31,360 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 261) no Hoare annotation was computed. [2023-03-31 23:55:31,360 INFO L899 garLoopResultBuilder]: For program point L251-2(lines 251 272) no Hoare annotation was computed. [2023-03-31 23:55:31,360 INFO L899 garLoopResultBuilder]: For program point L273(lines 250 274) no Hoare annotation was computed. [2023-03-31 23:55:31,360 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 226 281) no Hoare annotation was computed. [2023-03-31 23:55:31,361 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 226 281) no Hoare annotation was computed. [2023-03-31 23:55:31,361 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 318) no Hoare annotation was computed. [2023-03-31 23:55:31,361 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 282 341) no Hoare annotation was computed. [2023-03-31 23:55:31,361 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 333) no Hoare annotation was computed. [2023-03-31 23:55:31,361 INFO L899 garLoopResultBuilder]: For program point L334(lines 307 335) no Hoare annotation was computed. [2023-03-31 23:55:31,361 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 282 341) no Hoare annotation was computed. [2023-03-31 23:55:31,361 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 282 341) no Hoare annotation was computed. [2023-03-31 23:55:31,361 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2023-03-31 23:55:31,361 INFO L899 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2023-03-31 23:55:31,362 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-03-31 23:55:31,362 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-03-31 23:55:31,362 INFO L895 garLoopResultBuilder]: At program point L892(line 892) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2023-03-31 23:55:31,362 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed. [2023-03-31 23:55:31,362 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)) [2023-03-31 23:55:31,362 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-03-31 23:55:31,362 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 899) no Hoare annotation was computed. [2023-03-31 23:55:31,363 INFO L899 garLoopResultBuilder]: For program point L886-1(lines 878 902) no Hoare annotation was computed. [2023-03-31 23:55:31,363 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2023-03-31 23:55:31,363 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2023-03-31 23:55:31,363 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 878 902) no Hoare annotation was computed. [2023-03-31 23:55:31,363 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 878 902) the Hoare annotation is: true [2023-03-31 23:55:31,363 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))) [2023-03-31 23:55:31,363 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 871) no Hoare annotation was computed. [2023-03-31 23:55:31,363 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 864 871) no Hoare annotation was computed. [2023-03-31 23:55:31,363 INFO L899 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2023-03-31 23:55:31,363 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))) [2023-03-31 23:55:31,364 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))) [2023-03-31 23:55:31,364 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))) [2023-03-31 23:55:31,364 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 854 876) no Hoare annotation was computed. [2023-03-31 23:55:31,364 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))) [2023-03-31 23:55:31,364 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))) [2023-03-31 23:55:31,364 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2023-03-31 23:55:31,364 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2023-03-31 23:55:31,364 INFO L899 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L829(line 829) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L825(line 825) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L824(line 824) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L823(line 823) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L822(line 822) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L821(line 821) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L820(line 820) no Hoare annotation was computed. [2023-03-31 23:55:31,365 INFO L899 garLoopResultBuilder]: For program point L819(line 819) no Hoare annotation was computed. [2023-03-31 23:55:31,366 INFO L899 garLoopResultBuilder]: For program point L818(line 818) no Hoare annotation was computed. [2023-03-31 23:55:31,366 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 813 836) no Hoare annotation was computed. [2023-03-31 23:55:31,366 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-03-31 23:55:31,366 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-03-31 23:55:31,366 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 493 538) no Hoare annotation was computed. [2023-03-31 23:55:31,366 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 493 538) no Hoare annotation was computed. [2023-03-31 23:55:31,366 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))) [2023-03-31 23:55:31,366 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2023-03-31 23:55:31,366 INFO L895 garLoopResultBuilder]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-03-31 23:55:31,366 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2023-03-31 23:55:31,367 INFO L895 garLoopResultBuilder]: At program point L660(line 660) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-03-31 23:55:31,367 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 666) no Hoare annotation was computed. [2023-03-31 23:55:31,367 INFO L895 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-03-31 23:55:31,367 INFO L899 garLoopResultBuilder]: For program point L656-1(line 656) no Hoare annotation was computed. [2023-03-31 23:55:31,367 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 671) no Hoare annotation was computed. [2023-03-31 23:55:31,367 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))) [2023-03-31 23:55:31,367 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))) [2023-03-31 23:55:31,367 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 543 608) no Hoare annotation was computed. [2023-03-31 23:55:31,367 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))) [2023-03-31 23:55:31,368 INFO L899 garLoopResultBuilder]: For program point L554(lines 553 600) no Hoare annotation was computed. [2023-03-31 23:55:31,368 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))) [2023-03-31 23:55:31,368 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))) [2023-03-31 23:55:31,368 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 596) no Hoare annotation was computed. [2023-03-31 23:55:31,368 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))) [2023-03-31 23:55:31,368 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2023-03-31 23:55:31,368 INFO L899 garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2023-03-31 23:55:31,368 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))) [2023-03-31 23:55:31,368 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))) [2023-03-31 23:55:31,368 INFO L899 garLoopResultBuilder]: For program point L563(lines 563 569) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 543 608) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 141 163) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point L688(line 688) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point L688-1(line 688) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 683 699) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 683 699) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point L694(line 694) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point L694-1(lines 683 699) no Hoare annotation was computed. [2023-03-31 23:55:31,369 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 696) no Hoare annotation was computed. [2023-03-31 23:55:31,370 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 164 172) the Hoare annotation is: true [2023-03-31 23:55:31,370 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2023-03-31 23:55:31,370 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 140) the Hoare annotation is: true [2023-03-31 23:55:31,370 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2023-03-31 23:55:31,370 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))) [2023-03-31 23:55:31,370 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))) [2023-03-31 23:55:31,370 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-03-31 23:55:31,370 INFO L899 garLoopResultBuilder]: For program point L622(lines 621 640) no Hoare annotation was computed. [2023-03-31 23:55:31,370 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 618 641) no Hoare annotation was computed. [2023-03-31 23:55:31,370 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))) [2023-03-31 23:55:31,371 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 618 641) no Hoare annotation was computed. [2023-03-31 23:55:31,371 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2023-03-31 23:55:31,371 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 801) no Hoare annotation was computed. [2023-03-31 23:55:31,371 INFO L902 garLoopResultBuilder]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2023-03-31 23:55:31,371 INFO L902 garLoopResultBuilder]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2023-03-31 23:55:31,371 INFO L902 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: true [2023-03-31 23:55:31,371 INFO L899 garLoopResultBuilder]: For program point L789-1(line 789) no Hoare annotation was computed. [2023-03-31 23:55:31,371 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 812) the Hoare annotation is: true [2023-03-31 23:55:31,371 INFO L902 garLoopResultBuilder]: At program point L808(lines 783 812) the Hoare annotation is: true [2023-03-31 23:55:31,371 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-03-31 23:55:31,372 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2023-03-31 23:55:31,372 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 96 107) the Hoare annotation is: true [2023-03-31 23:55:31,372 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 764 771) no Hoare annotation was computed. [2023-03-31 23:55:31,372 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))) [2023-03-31 23:55:31,372 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2023-03-31 23:55:31,372 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)) [2023-03-31 23:55:31,372 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 773 780) the Hoare annotation is: true [2023-03-31 23:55:31,372 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 777) no Hoare annotation was computed. [2023-03-31 23:55:31,372 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 773 780) no Hoare annotation was computed. [2023-03-31 23:55:31,372 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-03-31 23:55:31,373 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-03-31 23:55:31,373 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 642 648) no Hoare annotation was computed. [2023-03-31 23:55:31,373 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 642 648) the Hoare annotation is: true [2023-03-31 23:55:31,373 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 675 682) no Hoare annotation was computed. [2023-03-31 23:55:31,373 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 675 682) no Hoare annotation was computed. [2023-03-31 23:55:31,373 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 719 727) no Hoare annotation was computed. [2023-03-31 23:55:31,373 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 719 727) the Hoare annotation is: true [2023-03-31 23:55:31,373 INFO L899 garLoopResultBuilder]: For program point L758(line 758) no Hoare annotation was computed. [2023-03-31 23:55:31,373 INFO L899 garLoopResultBuilder]: For program point L758-1(line 758) no Hoare annotation was computed. [2023-03-31 23:55:31,373 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 728 763) no Hoare annotation was computed. [2023-03-31 23:55:31,373 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 728 763) no Hoare annotation was computed. [2023-03-31 23:55:31,374 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 180 225) no Hoare annotation was computed. [2023-03-31 23:55:31,374 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 180 225) no Hoare annotation was computed. [2023-03-31 23:55:31,374 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 844 853) no Hoare annotation was computed. [2023-03-31 23:55:31,374 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))) [2023-03-31 23:55:31,374 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 844 853) no Hoare annotation was computed. [2023-03-31 23:55:31,374 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 708 718) no Hoare annotation was computed. [2023-03-31 23:55:31,374 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 708 718) the Hoare annotation is: true [2023-03-31 23:55:31,374 INFO L902 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: true [2023-03-31 23:55:31,374 INFO L899 garLoopResultBuilder]: For program point L713-1(line 713) no Hoare annotation was computed. [2023-03-31 23:55:31,374 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 700 707) no Hoare annotation was computed. [2023-03-31 23:55:31,374 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 700 707) the Hoare annotation is: true [2023-03-31 23:55:31,374 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 447 492) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 447 492) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point L409(line 409) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point L409-1(line 409) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 372) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 344 446) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point L393-2(lines 393 413) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 344 446) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point L414(lines 392 415) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 389) no Hoare annotation was computed. [2023-03-31 23:55:31,375 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 344 446) no Hoare annotation was computed. [2023-03-31 23:55:31,376 INFO L899 garLoopResultBuilder]: For program point L394(lines 393 413) no Hoare annotation was computed. [2023-03-31 23:55:31,376 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-03-31 23:55:31,376 INFO L899 garLoopResultBuilder]: For program point L425-1(line 425) no Hoare annotation was computed. [2023-03-31 23:55:31,376 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 431) no Hoare annotation was computed. [2023-03-31 23:55:31,376 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-03-31 23:55:31,376 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:55:31,376 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 120 131) the Hoare annotation is: true [2023-03-31 23:55:31,376 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2023-03-31 23:55:31,376 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:55:31,376 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:55:31,376 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2023-03-31 23:55:31,377 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2023-03-31 23:55:31,377 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:55:31,377 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-03-31 23:55:31,377 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:55:31,377 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:55:31,380 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-03-31 23:55:31,381 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:55:31,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:55:31 BoogieIcfgContainer [2023-03-31 23:55:31,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:55:31,392 INFO L158 Benchmark]: Toolchain (without parser) took 4601.63ms. Allocated memory is still 269.5MB. Free memory was 219.0MB in the beginning and 114.7MB in the end (delta: 104.3MB). Peak memory consumption was 105.4MB. Max. memory is 8.0GB. [2023-03-31 23:55:31,392 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 174.1MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:55:31,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.25ms. Allocated memory is still 269.5MB. Free memory was 219.0MB in the beginning and 200.7MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 23:55:31,392 INFO L158 Benchmark]: Boogie Preprocessor took 83.09ms. Allocated memory is still 269.5MB. Free memory was 200.7MB in the beginning and 197.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 23:55:31,393 INFO L158 Benchmark]: RCFGBuilder took 936.41ms. Allocated memory is still 269.5MB. Free memory was 197.5MB in the beginning and 208.7MB in the end (delta: -11.1MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-03-31 23:55:31,393 INFO L158 Benchmark]: TraceAbstraction took 3167.08ms. Allocated memory is still 269.5MB. Free memory was 208.1MB in the beginning and 114.7MB in the end (delta: 93.4MB). Peak memory consumption was 93.9MB. Max. memory is 8.0GB. [2023-03-31 23:55:31,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 174.1MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 410.25ms. Allocated memory is still 269.5MB. Free memory was 219.0MB in the beginning and 200.7MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 83.09ms. Allocated memory is still 269.5MB. Free memory was 200.7MB in the beginning and 197.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 936.41ms. Allocated memory is still 269.5MB. Free memory was 197.5MB in the beginning and 208.7MB in the end (delta: -11.1MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3167.08ms. Allocated memory is still 269.5MB. Free memory was 208.1MB in the beginning and 114.7MB in the end (delta: 93.4MB). Peak memory consumption was 93.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 3.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 431 mSDsluCounter, 1304 SdHoareTripleChecker+Invalid, 0.6s 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, 0.2s 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, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s 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! [2023-03-31 23:55:31,411 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...