/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:00:19,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:00:19,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:00:19,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:00:19,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:00:19,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:00:19,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:00:19,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:00:19,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:00:19,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:00:19,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:00:19,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:00:19,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:00:19,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:00:19,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:00:19,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:00:19,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:00:19,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:00:19,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:00:19,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:00:19,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:00:19,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:00:19,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:00:19,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:00:19,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:00:19,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:00:19,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:00:19,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:00:19,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:00:19,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:00:19,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:00:19,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:00:19,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:00:19,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:00:19,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:00:19,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:00:19,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:00:19,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:00:19,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:00:19,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:00:19,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:00:19,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:00:19,993 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:00:19,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:00:19,994 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:00:19,994 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:00:19,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:00:19,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:00:19,995 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:00:19,995 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:00:19,995 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:00:19,995 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:00:19,996 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:00:19,996 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:00:19,996 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:00:19,997 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:00:19,997 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:00:19,997 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:00:19,997 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:00:19,997 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:00:19,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:00:19,998 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:00:19,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:00:19,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:00:19,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:00:19,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:00:19,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:00:19,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:00:19,998 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:00:19,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:00:19,999 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:00:19,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:00:19,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:00:19,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:00:19,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:20,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:00:20,000 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:00:20,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:00:20,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:00:20,000 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:00:20,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:00:20,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:00:20,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:00:20,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:00:20,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:00:20,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:00:20,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:00:20,228 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:00:20,229 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:00:20,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2023-04-03 01:00:21,511 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:00:21,763 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:00:21,763 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2023-04-03 01:00:21,772 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a502037/9b09afd192b44591916806beb31e5c25/FLAGcf1d5e270 [2023-04-03 01:00:21,784 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a502037/9b09afd192b44591916806beb31e5c25 [2023-04-03 01:00:21,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:00:21,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:00:21,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:21,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:00:21,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:00:21,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:21" (1/1) ... [2023-04-03 01:00:21,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c45b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:21, skipping insertion in model container [2023-04-03 01:00:21,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:21" (1/1) ... [2023-04-03 01:00:21,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:00:21,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:00:21,958 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_spec2_product09.cil.c[1605,1618] [2023-04-03 01:00:22,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:22,056 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:00:22,067 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_spec2_product09.cil.c[1605,1618] [2023-04-03 01:00:22,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:22,133 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:00:22,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22 WrapperNode [2023-04-03 01:00:22,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:22,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:00:22,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:00:22,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:00:22,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22" (1/1) ... [2023-04-03 01:00:22,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22" (1/1) ... [2023-04-03 01:00:22,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22" (1/1) ... [2023-04-03 01:00:22,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22" (1/1) ... [2023-04-03 01:00:22,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22" (1/1) ... [2023-04-03 01:00:22,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22" (1/1) ... [2023-04-03 01:00:22,205 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22" (1/1) ... [2023-04-03 01:00:22,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22" (1/1) ... [2023-04-03 01:00:22,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:00:22,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:00:22,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:00:22,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:00:22,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22" (1/1) ... [2023-04-03 01:00:22,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:22,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:22,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:00:22,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:00:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:00:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:00:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:00:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:00:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:00:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:00:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:00:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:00:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:00:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:00:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-03 01:00:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:00:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:00:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:00:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:00:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:00:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:00:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:00:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:00:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:00:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:00:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:00:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:00:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:00:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:00:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:00:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:00:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:00:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:00:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:00:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:00:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:00:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:00:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:00:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:00:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:00:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:00:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:00:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:00:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:00:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:00:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:00:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:00:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:00:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:00:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:00:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:00:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:00:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:00:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:00:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:00:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:00:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:00:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:00:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:00:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:00:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:00:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:00:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:00:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:00:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:00:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:00:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-03 01:00:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:00:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:00:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:00:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:00:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:00:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:00:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:00:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:00:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:00:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:00:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:00:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:00:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:00:22,473 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:00:22,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:00:23,001 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:00:23,137 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:00:23,137 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:00:23,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:23 BoogieIcfgContainer [2023-04-03 01:00:23,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:00:23,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:00:23,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:00:23,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:00:23,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:00:21" (1/3) ... [2023-04-03 01:00:23,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec4c99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:23, skipping insertion in model container [2023-04-03 01:00:23,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:22" (2/3) ... [2023-04-03 01:00:23,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec4c99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:23, skipping insertion in model container [2023-04-03 01:00:23,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:23" (3/3) ... [2023-04-03 01:00:23,147 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2023-04-03 01:00:23,163 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:00:23,163 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:00:23,225 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:00:23,233 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;@34b28ade, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:00:23,233 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:00:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 61 states have internal predecessors, (66), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-04-03 01:00:23,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 01:00:23,242 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:23,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:23,243 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:23,248 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:23,249 INFO L85 PathProgramCache]: Analyzing trace with hash -198467966, now seen corresponding path program 1 times [2023-04-03 01:00:23,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:23,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150358389] [2023-04-03 01:00:23,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:23,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:23,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:23,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:23,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150358389] [2023-04-03 01:00:23,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150358389] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:23,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:23,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:00:23,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866402850] [2023-04-03 01:00:23,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:23,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:00:23,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:23,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:00:23,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:23,525 INFO L87 Difference]: Start difference. First operand has 116 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 61 states have internal predecessors, (66), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:23,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:23,586 INFO L93 Difference]: Finished difference Result 144 states and 175 transitions. [2023-04-03 01:00:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:00:23,590 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-04-03 01:00:23,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:23,597 INFO L225 Difference]: With dead ends: 144 [2023-04-03 01:00:23,598 INFO L226 Difference]: Without dead ends: 74 [2023-04-03 01:00:23,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:23,604 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:23,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:23,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-04-03 01:00:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-04-03 01:00:23,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 43 states have internal predecessors, (46), 21 states have call successors, (21), 19 states have call predecessors, (21), 14 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-03 01:00:23,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2023-04-03 01:00:23,635 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 46 [2023-04-03 01:00:23,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:23,636 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2023-04-03 01:00:23,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2023-04-03 01:00:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:00:23,638 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:23,638 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] [2023-04-03 01:00:23,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:00:23,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:23,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:23,639 INFO L85 PathProgramCache]: Analyzing trace with hash -999347498, now seen corresponding path program 1 times [2023-04-03 01:00:23,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:23,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742542097] [2023-04-03 01:00:23,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:23,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:23,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:23,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742542097] [2023-04-03 01:00:23,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742542097] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:23,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:23,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:00:23,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19992447] [2023-04-03 01:00:23,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:23,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:23,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:23,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:23,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:23,758 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:23,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:23,783 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2023-04-03 01:00:23,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:00:23,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:00:23,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:23,785 INFO L225 Difference]: With dead ends: 102 [2023-04-03 01:00:23,785 INFO L226 Difference]: Without dead ends: 66 [2023-04-03 01:00:23,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:23,787 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:23,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 114 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:23,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-04-03 01:00:23,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-04-03 01:00:23,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 38 states have internal predecessors, (40), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-03 01:00:23,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2023-04-03 01:00:23,795 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 47 [2023-04-03 01:00:23,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:23,795 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2023-04-03 01:00:23,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-04-03 01:00:23,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-04-03 01:00:23,797 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:23,797 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] [2023-04-03 01:00:23,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:00:23,798 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:23,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:23,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1964645719, now seen corresponding path program 1 times [2023-04-03 01:00:23,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:23,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652424821] [2023-04-03 01:00:23,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:23,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:23,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:23,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652424821] [2023-04-03 01:00:23,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652424821] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:23,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:23,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:00:23,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101994550] [2023-04-03 01:00:23,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:23,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:23,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:23,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:23,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:23,931 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 01:00:23,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:23,963 INFO L93 Difference]: Finished difference Result 107 states and 120 transitions. [2023-04-03 01:00:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:00:23,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 49 [2023-04-03 01:00:23,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:23,965 INFO L225 Difference]: With dead ends: 107 [2023-04-03 01:00:23,965 INFO L226 Difference]: Without dead ends: 66 [2023-04-03 01:00:23,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:23,968 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 48 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:23,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 61 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:23,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-04-03 01:00:23,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-04-03 01:00:23,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 37 states have internal predecessors, (39), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-03 01:00:23,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2023-04-03 01:00:23,977 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 49 [2023-04-03 01:00:23,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:23,978 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2023-04-03 01:00:23,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 01:00:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2023-04-03 01:00:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:00:23,979 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:23,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:23,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:00:23,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:23,980 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1248624704, now seen corresponding path program 1 times [2023-04-03 01:00:23,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:23,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785072411] [2023-04-03 01:00:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:23,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:24,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:24,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:24,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785072411] [2023-04-03 01:00:24,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785072411] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:24,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:24,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:00:24,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009527042] [2023-04-03 01:00:24,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:24,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:00:24,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:24,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:00:24,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:00:24,274 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-03 01:00:24,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:24,409 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2023-04-03 01:00:24,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:00:24,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 52 [2023-04-03 01:00:24,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:24,416 INFO L225 Difference]: With dead ends: 140 [2023-04-03 01:00:24,417 INFO L226 Difference]: Without dead ends: 99 [2023-04-03 01:00:24,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:00:24,429 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 32 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:24,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 245 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:00:24,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-04-03 01:00:24,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2023-04-03 01:00:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 50 states have (on average 1.18) internal successors, (59), 56 states have internal predecessors, (59), 24 states have call successors, (24), 24 states have call predecessors, (24), 20 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-04-03 01:00:24,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2023-04-03 01:00:24,455 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 52 [2023-04-03 01:00:24,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:24,456 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2023-04-03 01:00:24,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-03 01:00:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2023-04-03 01:00:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-03 01:00:24,460 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:24,460 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] [2023-04-03 01:00:24,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:00:24,460 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:24,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:24,460 INFO L85 PathProgramCache]: Analyzing trace with hash -380181310, now seen corresponding path program 1 times [2023-04-03 01:00:24,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:24,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382864594] [2023-04-03 01:00:24,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:24,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:24,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:24,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382864594] [2023-04-03 01:00:24,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382864594] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:24,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:24,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:00:24,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243242621] [2023-04-03 01:00:24,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:24,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:00:24,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:24,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:00:24,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:00:24,591 INFO L87 Difference]: Start difference. First operand 95 states and 103 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:00:24,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:24,688 INFO L93 Difference]: Finished difference Result 157 states and 176 transitions. [2023-04-03 01:00:24,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:00:24,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2023-04-03 01:00:24,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:24,690 INFO L225 Difference]: With dead ends: 157 [2023-04-03 01:00:24,690 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:00:24,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:00:24,691 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 32 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:24,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 177 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:00:24,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:00:24,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:00:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:00:24,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:00:24,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2023-04-03 01:00:24,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:24,693 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:00:24,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:00:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:00:24,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:00:24,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:00:24,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:00:24,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:00:25,091 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:00:25,091 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:00:25,091 INFO L899 garLoopResultBuilder]: For program point L158(lines 135 159) no Hoare annotation was computed. [2023-04-03 01:00:25,091 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 111 166) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 111 166) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 157) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 218) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point L219(lines 192 220) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 167 226) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 167 226) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 167 226) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2023-04-03 01:00:25,092 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2023-04-03 01:00:25,093 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 872 880) the Hoare annotation is: true [2023-04-03 01:00:25,093 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 742 764) no Hoare annotation was computed. [2023-04-03 01:00:25,093 INFO L895 garLoopResultBuilder]: At program point L754(line 754) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-03 01:00:25,093 INFO L895 garLoopResultBuilder]: At program point L754-1(line 754) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-03 01:00:25,093 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 759) no Hoare annotation was computed. [2023-04-03 01:00:25,093 INFO L899 garLoopResultBuilder]: For program point L752-1(lines 752 759) no Hoare annotation was computed. [2023-04-03 01:00:25,094 INFO L899 garLoopResultBuilder]: For program point L750(line 750) no Hoare annotation was computed. [2023-04-03 01:00:25,094 INFO L895 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-03 01:00:25,095 INFO L895 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-03 01:00:25,095 INFO L895 garLoopResultBuilder]: At program point L748-1(line 748) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-03 01:00:25,095 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 742 764) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-03 01:00:25,095 INFO L899 garLoopResultBuilder]: For program point L705(line 705) no Hoare annotation was computed. [2023-04-03 01:00:25,095 INFO L899 garLoopResultBuilder]: For program point L704(line 704) no Hoare annotation was computed. [2023-04-03 01:00:25,095 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 697 720) no Hoare annotation was computed. [2023-04-03 01:00:25,095 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-04-03 01:00:25,095 INFO L899 garLoopResultBuilder]: For program point L702(line 702) no Hoare annotation was computed. [2023-04-03 01:00:25,095 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 697 720) no Hoare annotation was computed. [2023-04-03 01:00:25,095 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-04-03 01:00:25,095 INFO L899 garLoopResultBuilder]: For program point L714(line 714) no Hoare annotation was computed. [2023-04-03 01:00:25,095 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 697 720) no Hoare annotation was computed. [2023-04-03 01:00:25,096 INFO L899 garLoopResultBuilder]: For program point L713(line 713) no Hoare annotation was computed. [2023-04-03 01:00:25,096 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-04-03 01:00:25,096 INFO L899 garLoopResultBuilder]: For program point L711(line 711) no Hoare annotation was computed. [2023-04-03 01:00:25,096 INFO L899 garLoopResultBuilder]: For program point L710(line 710) no Hoare annotation was computed. [2023-04-03 01:00:25,096 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-04-03 01:00:25,096 INFO L899 garLoopResultBuilder]: For program point L708(line 708) no Hoare annotation was computed. [2023-04-03 01:00:25,096 INFO L899 garLoopResultBuilder]: For program point L707(line 707) no Hoare annotation was computed. [2023-04-03 01:00:25,097 INFO L899 garLoopResultBuilder]: For program point L706(line 706) no Hoare annotation was computed. [2023-04-03 01:00:25,099 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2023-04-03 01:00:25,100 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2023-04-03 01:00:25,100 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 378 423) no Hoare annotation was computed. [2023-04-03 01:00:25,101 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 378 423) no Hoare annotation was computed. [2023-04-03 01:00:25,101 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 529 535) no Hoare annotation was computed. [2023-04-03 01:00:25,101 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 529 535) the Hoare annotation is: true [2023-04-03 01:00:25,101 INFO L895 garLoopResultBuilder]: At program point L475-2(lines 469 480) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-03 01:00:25,102 INFO L899 garLoopResultBuilder]: For program point L440(lines 439 484) no Hoare annotation was computed. [2023-04-03 01:00:25,102 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 429 492) no Hoare annotation was computed. [2023-04-03 01:00:25,102 INFO L895 garLoopResultBuilder]: At program point L461(line 461) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-03 01:00:25,102 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 465) no Hoare annotation was computed. [2023-04-03 01:00:25,102 INFO L899 garLoopResultBuilder]: For program point L459-1(lines 459 465) no Hoare annotation was computed. [2023-04-03 01:00:25,102 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 429 492) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-03 01:00:25,103 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-03 01:00:25,103 INFO L895 garLoopResultBuilder]: At program point L482(lines 439 484) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-03 01:00:25,104 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2023-04-03 01:00:25,104 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2023-04-03 01:00:25,104 INFO L895 garLoopResultBuilder]: At program point L485(lines 438 486) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0))) [2023-04-03 01:00:25,104 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 429 492) no Hoare annotation was computed. [2023-04-03 01:00:25,104 INFO L899 garLoopResultBuilder]: For program point L642-1(line 642) no Hoare annotation was computed. [2023-04-03 01:00:25,104 INFO L895 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0))) [2023-04-03 01:00:25,104 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 636 664) the Hoare annotation is: true [2023-04-03 01:00:25,104 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2023-04-03 01:00:25,104 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 658) no Hoare annotation was computed. [2023-04-03 01:00:25,104 INFO L895 garLoopResultBuilder]: At program point L646(line 646) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:25,104 INFO L899 garLoopResultBuilder]: For program point L646-1(line 646) no Hoare annotation was computed. [2023-04-03 01:00:25,105 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 661) no Hoare annotation was computed. [2023-04-03 01:00:25,105 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 636 664) no Hoare annotation was computed. [2023-04-03 01:00:25,105 INFO L899 garLoopResultBuilder]: For program point L644-1(lines 636 664) no Hoare annotation was computed. [2023-04-03 01:00:25,105 INFO L902 garLoopResultBuilder]: At program point L642(line 642) the Hoare annotation is: true [2023-04-03 01:00:25,105 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 814 836) no Hoare annotation was computed. [2023-04-03 01:00:25,105 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 814 836) no Hoare annotation was computed. [2023-04-03 01:00:25,105 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 628 635) the Hoare annotation is: true [2023-04-03 01:00:25,105 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 628 635) no Hoare annotation was computed. [2023-04-03 01:00:25,105 INFO L899 garLoopResultBuilder]: For program point L556(line 556) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 545 561) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 545 561) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 545 561) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 558) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point L550(line 550) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point L550-1(line 550) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 837 845) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 837 845) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L895 garLoopResultBuilder]: At program point L511(line 511) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0))) [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point L509(lines 508 527) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 505 528) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 505 528) the Hoare annotation is: true [2023-04-03 01:00:25,106 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 505 528) no Hoare annotation was computed. [2023-04-03 01:00:25,106 INFO L902 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: true [2023-04-03 01:00:25,107 INFO L902 garLoopResultBuilder]: At program point L516(lines 516 522) the Hoare annotation is: true [2023-04-03 01:00:25,107 INFO L902 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: true [2023-04-03 01:00:25,107 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2023-04-03 01:00:25,107 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 667 696) no Hoare annotation was computed. [2023-04-03 01:00:25,107 INFO L902 garLoopResultBuilder]: At program point L692(lines 667 696) the Hoare annotation is: true [2023-04-03 01:00:25,108 INFO L899 garLoopResultBuilder]: For program point L688(line 688) no Hoare annotation was computed. [2023-04-03 01:00:25,108 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 667 696) the Hoare annotation is: true [2023-04-03 01:00:25,108 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 685) no Hoare annotation was computed. [2023-04-03 01:00:25,108 INFO L902 garLoopResultBuilder]: At program point L681-1(lines 681 685) the Hoare annotation is: true [2023-04-03 01:00:25,108 INFO L902 garLoopResultBuilder]: At program point L677-2(lines 677 691) the Hoare annotation is: true [2023-04-03 01:00:25,108 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 805 813) the Hoare annotation is: true [2023-04-03 01:00:25,108 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2023-04-03 01:00:25,108 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 769 780) no Hoare annotation was computed. [2023-04-03 01:00:25,109 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 769 780) the Hoare annotation is: true [2023-04-03 01:00:25,109 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2023-04-03 01:00:25,109 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 781 792) the Hoare annotation is: true [2023-04-03 01:00:25,109 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-03 01:00:25,109 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-03 01:00:25,109 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-03 01:00:25,109 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2023-04-03 01:00:25,109 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2023-04-03 01:00:25,109 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 536 543) no Hoare annotation was computed. [2023-04-03 01:00:25,110 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 536 543) no Hoare annotation was computed. [2023-04-03 01:00:25,110 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 581 589) no Hoare annotation was computed. [2023-04-03 01:00:25,111 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 581 589) the Hoare annotation is: true [2023-04-03 01:00:25,111 INFO L899 garLoopResultBuilder]: For program point L620(line 620) no Hoare annotation was computed. [2023-04-03 01:00:25,111 INFO L899 garLoopResultBuilder]: For program point L620-1(line 620) no Hoare annotation was computed. [2023-04-03 01:00:25,111 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 590 625) no Hoare annotation was computed. [2023-04-03 01:00:25,111 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 590 625) no Hoare annotation was computed. [2023-04-03 01:00:25,112 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 65 110) no Hoare annotation was computed. [2023-04-03 01:00:25,112 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 65 110) no Hoare annotation was computed. [2023-04-03 01:00:25,112 INFO L895 garLoopResultBuilder]: At program point L733(line 733) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-03 01:00:25,112 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 728 738) no Hoare annotation was computed. [2023-04-03 01:00:25,112 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 728 738) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-03 01:00:25,112 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 728 738) no Hoare annotation was computed. [2023-04-03 01:00:25,112 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-04-03 01:00:25,112 INFO L899 garLoopResultBuilder]: For program point L575-1(line 575) no Hoare annotation was computed. [2023-04-03 01:00:25,112 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 570 580) no Hoare annotation was computed. [2023-04-03 01:00:25,112 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 570 580) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 562 569) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 562 569) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 332 377) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 332 377) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point L279(lines 278 298) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 316) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 229 331) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 229 331) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point L278-2(lines 278 298) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 229 331) no Hoare annotation was computed. [2023-04-03 01:00:25,113 INFO L899 garLoopResultBuilder]: For program point L299(lines 277 300) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 274) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 848 857) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 848 857) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:00:25,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 793 804) the Hoare annotation is: true [2023-04-03 01:00:25,114 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 721 727) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 721 727) the Hoare annotation is: true [2023-04-03 01:00:25,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= 1 ~systemActive~0)) [2023-04-03 01:00:25,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:00:25,114 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:00:25,118 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-04-03 01:00:25,120 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:00:25,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:00:25 BoogieIcfgContainer [2023-04-03 01:00:25,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:00:25,131 INFO L158 Benchmark]: Toolchain (without parser) took 3343.21ms. Allocated memory is still 341.8MB. Free memory was 295.8MB in the beginning and 232.5MB in the end (delta: 63.2MB). Peak memory consumption was 63.9MB. Max. memory is 8.0GB. [2023-04-03 01:00:25,131 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:00:25,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.16ms. Allocated memory is still 341.8MB. Free memory was 295.5MB in the beginning and 277.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:00:25,131 INFO L158 Benchmark]: Boogie Preprocessor took 73.25ms. Allocated memory is still 341.8MB. Free memory was 277.7MB in the beginning and 274.4MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:00:25,132 INFO L158 Benchmark]: RCFGBuilder took 927.02ms. Allocated memory is still 341.8MB. Free memory was 274.4MB in the beginning and 284.1MB in the end (delta: -9.7MB). Peak memory consumption was 36.5MB. Max. memory is 8.0GB. [2023-04-03 01:00:25,132 INFO L158 Benchmark]: TraceAbstraction took 1987.88ms. Allocated memory is still 341.8MB. Free memory was 283.6MB in the beginning and 232.5MB in the end (delta: 51.0MB). Peak memory consumption was 50.5MB. Max. memory is 8.0GB. [2023-04-03 01:00:25,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 349.16ms. Allocated memory is still 341.8MB. Free memory was 295.5MB in the beginning and 277.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 73.25ms. Allocated memory is still 341.8MB. Free memory was 277.7MB in the beginning and 274.4MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 927.02ms. Allocated memory is still 341.8MB. Free memory was 274.4MB in the beginning and 284.1MB in the end (delta: -9.7MB). Peak memory consumption was 36.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1987.88ms. Allocated memory is still 341.8MB. Free memory was 283.6MB in the beginning and 232.5MB in the end (delta: 51.0MB). Peak memory consumption was 50.5MB. 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: 54]: 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 37 procedures, 163 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 679 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 364 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 315 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 153 PreInvPairs, 165 NumberOfFragments, 269 HoareAnnotationTreeSize, 153 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 622 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (systemActive < 1 || !(\old(methaneLevelCritical) == 0)) || !(pumpRunning == 0) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((systemActive < 1 || !(\old(methaneLevelCritical) == 0)) || !(pumpRunning == 0)) || splverifierCounter == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:00:25,151 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...