/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_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:01:07,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:01:07,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:01:07,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:01:07,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:01:07,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:01:07,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:01:07,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:01:07,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:01:07,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:01:07,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:01:07,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:01:07,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:01:07,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:01:07,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:01:07,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:01:07,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:01:07,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:01:07,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:01:07,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:01:07,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:01:07,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:01:07,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:01:07,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:01:07,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:01:07,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:01:07,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:01:07,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:01:07,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:01:07,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:01:07,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:01:07,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:01:07,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:01:07,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:01:07,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:01:07,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:01:07,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:01:07,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:01:07,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:01:07,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:01:07,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:01:07,859 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 01:01:07,885 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:01:07,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:01:07,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:01:07,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:01:07,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:01:07,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:01:07,886 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:01:07,886 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:01:07,887 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:01:07,887 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:01:07,887 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:01:07,887 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:01:07,887 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:01:07,887 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:01:07,888 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:01:07,888 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:01:07,888 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:01:07,888 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:01:07,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:01:07,888 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:01:07,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:01:07,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:01:07,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:01:07,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:01:07,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:01:07,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:01:07,889 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:01:07,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:01:07,889 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:01:07,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:01:07,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:01:07,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:01:07,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:01:07,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:01:07,890 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:01:07,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:01:07,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:01:07,890 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:01:07,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:01:07,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:01:07,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:01:07,891 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:01:08,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:01:08,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:01:08,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:01:08,143 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:01:08,144 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:01:08,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2023-04-03 01:01:09,406 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:01:09,636 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:01:09,637 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2023-04-03 01:01:09,648 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e26287510/77e05be9e0a1446f9caaa89845db946d/FLAG41ab43f43 [2023-04-03 01:01:09,660 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e26287510/77e05be9e0a1446f9caaa89845db946d [2023-04-03 01:01:09,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:01:09,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:01:09,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:01:09,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:01:09,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:01:09,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:01:09" (1/1) ... [2023-04-03 01:01:09,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ecef052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:09, skipping insertion in model container [2023-04-03 01:01:09,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:01:09" (1/1) ... [2023-04-03 01:01:09,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:01:09,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:01:09,955 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_product61.cil.c[13371,13384] [2023-04-03 01:01:09,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:01:10,001 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:01:10,037 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_product61.cil.c[13371,13384] [2023-04-03 01:01:10,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:01:10,057 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:01:10,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10 WrapperNode [2023-04-03 01:01:10,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:01:10,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:01:10,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:01:10,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:01:10,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10" (1/1) ... [2023-04-03 01:01:10,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10" (1/1) ... [2023-04-03 01:01:10,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10" (1/1) ... [2023-04-03 01:01:10,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10" (1/1) ... [2023-04-03 01:01:10,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10" (1/1) ... [2023-04-03 01:01:10,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10" (1/1) ... [2023-04-03 01:01:10,138 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10" (1/1) ... [2023-04-03 01:01:10,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10" (1/1) ... [2023-04-03 01:01:10,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:01:10,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:01:10,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:01:10,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:01:10,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10" (1/1) ... [2023-04-03 01:01:10,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:01:10,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:10,183 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 01:01:10,205 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 01:01:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:01:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:01:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:01:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:01:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:01:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:01:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:01:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:01:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:01:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:01:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:01:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:01:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:01:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:01:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:01:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:01:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:01:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:01:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:01:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:01:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:01:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:01:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:01:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:01:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:01:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:01:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:01:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:01:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:01:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:01:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:01:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:01:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:01:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:01:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:01:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:01:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:01:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:01:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:01:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:01:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:01:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:01:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:01:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:01:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:01:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:01:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:01:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:01:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:01:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:01:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:01:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:01:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:01:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:01:10,398 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:01:10,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:01:10,948 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:01:11,027 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:01:11,028 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:01:11,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:01:11 BoogieIcfgContainer [2023-04-03 01:01:11,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:01:11,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:01:11,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:01:11,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:01:11,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:01:09" (1/3) ... [2023-04-03 01:01:11,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef68353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:01:11, skipping insertion in model container [2023-04-03 01:01:11,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:10" (2/3) ... [2023-04-03 01:01:11,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef68353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:01:11, skipping insertion in model container [2023-04-03 01:01:11,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:01:11" (3/3) ... [2023-04-03 01:01:11,039 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2023-04-03 01:01:11,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:01:11,051 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:01:11,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:01:11,098 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;@fbeb747, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:01:11,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:01:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 76 states have (on average 1.263157894736842) internal successors, (96), 91 states have internal predecessors, (96), 53 states have call successors, (53), 32 states have call predecessors, (53), 32 states have return successors, (53), 47 states have call predecessors, (53), 53 states have call successors, (53) [2023-04-03 01:01:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 01:01:11,119 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:11,119 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 01:01:11,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:11,126 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:11,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1661978935, now seen corresponding path program 1 times [2023-04-03 01:01:11,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:11,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660739705] [2023-04-03 01:01:11,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:11,335 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 01:01:11,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:11,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660739705] [2023-04-03 01:01:11,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660739705] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:11,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:11,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:01:11,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516146590] [2023-04-03 01:01:11,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:11,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:01:11,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:11,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:01:11,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:01:11,375 INFO L87 Difference]: Start difference. First operand has 164 states, 76 states have (on average 1.263157894736842) internal successors, (96), 91 states have internal predecessors, (96), 53 states have call successors, (53), 32 states have call predecessors, (53), 32 states have return successors, (53), 47 states have call predecessors, (53), 53 states have call successors, (53) 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 01:01:11,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:11,474 INFO L93 Difference]: Finished difference Result 258 states and 315 transitions. [2023-04-03 01:01:11,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:01:11,476 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 01:01:11,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:11,482 INFO L225 Difference]: With dead ends: 258 [2023-04-03 01:01:11,482 INFO L226 Difference]: Without dead ends: 131 [2023-04-03 01:01:11,484 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 01:01:11,486 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:11,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:01:11,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-04-03 01:01:11,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2023-04-03 01:01:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 79 states have internal predecessors, (82), 38 states have call successors, (38), 30 states have call predecessors, (38), 25 states have return successors, (33), 27 states have call predecessors, (33), 33 states have call successors, (33) [2023-04-03 01:01:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2023-04-03 01:01:11,529 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 46 [2023-04-03 01:01:11,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:11,529 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2023-04-03 01:01:11,530 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 01:01:11,530 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2023-04-03 01:01:11,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:01:11,532 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:11,532 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 01:01:11,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:01:11,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:11,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:11,533 INFO L85 PathProgramCache]: Analyzing trace with hash 625992564, now seen corresponding path program 1 times [2023-04-03 01:01:11,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:11,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973732925] [2023-04-03 01:01:11,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:11,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:11,629 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 01:01:11,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:11,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973732925] [2023-04-03 01:01:11,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973732925] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:11,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:11,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:01:11,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37445464] [2023-04-03 01:01:11,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:11,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:01:11,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:11,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:01:11,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:01:11,632 INFO L87 Difference]: Start difference. First operand 131 states and 153 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 01:01:11,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:11,667 INFO L93 Difference]: Finished difference Result 216 states and 254 transitions. [2023-04-03 01:01:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:01:11,667 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 01:01:11,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:11,669 INFO L225 Difference]: With dead ends: 216 [2023-04-03 01:01:11,669 INFO L226 Difference]: Without dead ends: 123 [2023-04-03 01:01:11,669 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 01:01:11,670 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 7 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:11,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 240 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:01:11,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-04-03 01:01:11,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-04-03 01:01:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 74 states have internal predecessors, (76), 35 states have call successors, (35), 29 states have call predecessors, (35), 25 states have return successors, (31), 25 states have call predecessors, (31), 31 states have call successors, (31) [2023-04-03 01:01:11,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2023-04-03 01:01:11,681 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 47 [2023-04-03 01:01:11,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:11,681 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2023-04-03 01:01:11,681 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 01:01:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2023-04-03 01:01:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-04-03 01:01:11,688 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:11,688 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 01:01:11,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:01:11,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:11,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:11,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1046733081, now seen corresponding path program 1 times [2023-04-03 01:01:11,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:11,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856849556] [2023-04-03 01:01:11,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:11,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:11,825 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 01:01:11,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:11,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856849556] [2023-04-03 01:01:11,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856849556] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:11,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:11,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:01:11,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929223637] [2023-04-03 01:01:11,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:11,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:01:11,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:11,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:01:11,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:01:11,829 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:01:12,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:12,050 INFO L93 Difference]: Finished difference Result 221 states and 260 transitions. [2023-04-03 01:01:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:01:12,050 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 49 [2023-04-03 01:01:12,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:12,052 INFO L225 Difference]: With dead ends: 221 [2023-04-03 01:01:12,052 INFO L226 Difference]: Without dead ends: 123 [2023-04-03 01:01:12,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:01:12,053 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 132 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:12,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 352 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:01:12,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-04-03 01:01:12,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-04-03 01:01:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 73 states have internal predecessors, (75), 35 states have call successors, (35), 29 states have call predecessors, (35), 25 states have return successors, (31), 25 states have call predecessors, (31), 31 states have call successors, (31) [2023-04-03 01:01:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2023-04-03 01:01:12,062 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 49 [2023-04-03 01:01:12,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:12,062 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2023-04-03 01:01:12,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:01:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2023-04-03 01:01:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-04-03 01:01:12,064 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:12,064 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:12,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:01:12,064 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:12,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:12,064 INFO L85 PathProgramCache]: Analyzing trace with hash -2102255149, now seen corresponding path program 1 times [2023-04-03 01:01:12,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:12,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503921949] [2023-04-03 01:01:12,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:12,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:01:12,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:12,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503921949] [2023-04-03 01:01:12,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503921949] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:12,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:12,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:01:12,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267243123] [2023-04-03 01:01:12,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:12,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:01:12,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:12,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:01:12,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:01:12,209 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-03 01:01:12,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:12,484 INFO L93 Difference]: Finished difference Result 319 states and 380 transitions. [2023-04-03 01:01:12,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:01:12,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 66 [2023-04-03 01:01:12,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:12,486 INFO L225 Difference]: With dead ends: 319 [2023-04-03 01:01:12,486 INFO L226 Difference]: Without dead ends: 221 [2023-04-03 01:01:12,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:01:12,488 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 178 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:12,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 168 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:01:12,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-04-03 01:01:12,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 206. [2023-04-03 01:01:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 111 states have (on average 1.162162162162162) internal successors, (129), 120 states have internal predecessors, (129), 47 states have call successors, (47), 43 states have call predecessors, (47), 47 states have return successors, (53), 47 states have call predecessors, (53), 43 states have call successors, (53) [2023-04-03 01:01:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 229 transitions. [2023-04-03 01:01:12,507 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 229 transitions. Word has length 66 [2023-04-03 01:01:12,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:12,507 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 229 transitions. [2023-04-03 01:01:12,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-03 01:01:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 229 transitions. [2023-04-03 01:01:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-04-03 01:01:12,508 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:12,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:12,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:01:12,508 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:12,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:12,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1785358861, now seen corresponding path program 1 times [2023-04-03 01:01:12,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:12,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419663358] [2023-04-03 01:01:12,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:12,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:12,730 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 01:01:12,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:12,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419663358] [2023-04-03 01:01:12,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419663358] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:12,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:12,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:01:12,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531660722] [2023-04-03 01:01:12,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:12,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:01:12,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:12,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:01:12,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:01:12,732 INFO L87 Difference]: Start difference. First operand 206 states and 229 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:01:12,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:12,925 INFO L93 Difference]: Finished difference Result 551 states and 628 transitions. [2023-04-03 01:01:12,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:01:12,925 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 76 [2023-04-03 01:01:12,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:12,928 INFO L225 Difference]: With dead ends: 551 [2023-04-03 01:01:12,929 INFO L226 Difference]: Without dead ends: 370 [2023-04-03 01:01:12,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:01:12,930 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 101 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:12,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 525 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:01:12,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-04-03 01:01:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 360. [2023-04-03 01:01:12,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 197 states have (on average 1.1370558375634519) internal successors, (224), 212 states have internal predecessors, (224), 79 states have call successors, (79), 71 states have call predecessors, (79), 83 states have return successors, (95), 83 states have call predecessors, (95), 75 states have call successors, (95) [2023-04-03 01:01:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 398 transitions. [2023-04-03 01:01:12,964 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 398 transitions. Word has length 76 [2023-04-03 01:01:12,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:12,965 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 398 transitions. [2023-04-03 01:01:12,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:01:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 398 transitions. [2023-04-03 01:01:12,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-04-03 01:01:12,966 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:12,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:12,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:01:12,967 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:12,967 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:12,967 INFO L85 PathProgramCache]: Analyzing trace with hash -2013333464, now seen corresponding path program 1 times [2023-04-03 01:01:12,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:12,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666123676] [2023-04-03 01:01:12,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:12,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:13,126 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 01:01:13,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:13,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666123676] [2023-04-03 01:01:13,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666123676] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:13,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:13,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:01:13,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531461722] [2023-04-03 01:01:13,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:13,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:01:13,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:13,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:01:13,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:01:13,129 INFO L87 Difference]: Start difference. First operand 360 states and 398 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 01:01:13,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:13,455 INFO L93 Difference]: Finished difference Result 563 states and 641 transitions. [2023-04-03 01:01:13,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:01:13,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 79 [2023-04-03 01:01:13,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:13,458 INFO L225 Difference]: With dead ends: 563 [2023-04-03 01:01:13,458 INFO L226 Difference]: Without dead ends: 382 [2023-04-03 01:01:13,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:01:13,459 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 128 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:13,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 298 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:01:13,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-04-03 01:01:13,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 359. [2023-04-03 01:01:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 196 states have (on average 1.1275510204081634) internal successors, (221), 211 states have internal predecessors, (221), 79 states have call successors, (79), 71 states have call predecessors, (79), 83 states have return successors, (95), 83 states have call predecessors, (95), 75 states have call successors, (95) [2023-04-03 01:01:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 395 transitions. [2023-04-03 01:01:13,538 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 395 transitions. Word has length 79 [2023-04-03 01:01:13,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:13,539 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 395 transitions. [2023-04-03 01:01:13,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 01:01:13,539 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 395 transitions. [2023-04-03 01:01:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-04-03 01:01:13,540 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:13,540 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:13,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:01:13,541 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:13,541 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:13,541 INFO L85 PathProgramCache]: Analyzing trace with hash -324388625, now seen corresponding path program 1 times [2023-04-03 01:01:13,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:13,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711818495] [2023-04-03 01:01:13,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:13,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:01:13,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:13,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711818495] [2023-04-03 01:01:13,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711818495] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:13,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505069601] [2023-04-03 01:01:13,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:13,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:13,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:13,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:01:13,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:01:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:13,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-03 01:01:13,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:14,051 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:01:14,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505069601] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:14,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:01:14,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 17 [2023-04-03 01:01:14,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917524553] [2023-04-03 01:01:14,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:14,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-03 01:01:14,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:14,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-03 01:01:14,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:01:14,053 INFO L87 Difference]: Start difference. First operand 359 states and 395 transitions. Second operand has 11 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 6 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-03 01:01:14,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:14,394 INFO L93 Difference]: Finished difference Result 823 states and 940 transitions. [2023-04-03 01:01:14,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:01:14,394 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 6 states have call predecessors, (18), 3 states have call successors, (18) Word has length 92 [2023-04-03 01:01:14,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:14,397 INFO L225 Difference]: With dead ends: 823 [2023-04-03 01:01:14,397 INFO L226 Difference]: Without dead ends: 489 [2023-04-03 01:01:14,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2023-04-03 01:01:14,399 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 112 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:14,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 788 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:01:14,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2023-04-03 01:01:14,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 481. [2023-04-03 01:01:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 265 states have (on average 1.109433962264151) internal successors, (294), 283 states have internal predecessors, (294), 107 states have call successors, (107), 95 states have call predecessors, (107), 108 states have return successors, (131), 111 states have call predecessors, (131), 103 states have call successors, (131) [2023-04-03 01:01:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 532 transitions. [2023-04-03 01:01:14,427 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 532 transitions. Word has length 92 [2023-04-03 01:01:14,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:14,427 INFO L495 AbstractCegarLoop]: Abstraction has 481 states and 532 transitions. [2023-04-03 01:01:14,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 6 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-03 01:01:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 532 transitions. [2023-04-03 01:01:14,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-03 01:01:14,430 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:14,430 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:14,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:01:14,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:14,636 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:14,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:14,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1700730528, now seen corresponding path program 1 times [2023-04-03 01:01:14,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:14,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917328175] [2023-04-03 01:01:14,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:14,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-03 01:01:14,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:14,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917328175] [2023-04-03 01:01:14,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917328175] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:14,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:14,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:01:14,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263008378] [2023-04-03 01:01:14,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:14,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:01:14,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:14,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:01:14,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:01:14,796 INFO L87 Difference]: Start difference. First operand 481 states and 532 transitions. Second operand has 10 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-03 01:01:15,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:15,087 INFO L93 Difference]: Finished difference Result 1135 states and 1285 transitions. [2023-04-03 01:01:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:01:15,088 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) Word has length 151 [2023-04-03 01:01:15,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:15,088 INFO L225 Difference]: With dead ends: 1135 [2023-04-03 01:01:15,088 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:01:15,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:01:15,091 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 119 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:15,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 716 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:01:15,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:01:15,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:01:15,091 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 01:01:15,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:01:15,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2023-04-03 01:01:15,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:15,092 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:01:15,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-03 01:01:15,092 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:01:15,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:01:15,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:01:15,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 01:01:15,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:01:16,200 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:01:16,200 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:01:16,200 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 284) no Hoare annotation was computed. [2023-04-03 01:01:16,200 INFO L899 garLoopResultBuilder]: For program point L274-2(lines 274 295) no Hoare annotation was computed. [2023-04-03 01:01:16,215 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 249 304) no Hoare annotation was computed. [2023-04-03 01:01:16,216 INFO L899 garLoopResultBuilder]: For program point L296(lines 273 297) no Hoare annotation was computed. [2023-04-03 01:01:16,216 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 249 304) no Hoare annotation was computed. [2023-04-03 01:01:16,216 INFO L899 garLoopResultBuilder]: For program point L350(line 350) no Hoare annotation was computed. [2023-04-03 01:01:16,217 INFO L899 garLoopResultBuilder]: For program point L350-1(line 350) no Hoare annotation was computed. [2023-04-03 01:01:16,217 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 305 364) no Hoare annotation was computed. [2023-04-03 01:01:16,217 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed. [2023-04-03 01:01:16,217 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 305 364) no Hoare annotation was computed. [2023-04-03 01:01:16,217 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 305 364) no Hoare annotation was computed. [2023-04-03 01:01:16,219 INFO L899 garLoopResultBuilder]: For program point L331-2(lines 331 356) no Hoare annotation was computed. [2023-04-03 01:01:16,219 INFO L899 garLoopResultBuilder]: For program point L357(lines 330 358) no Hoare annotation was computed. [2023-04-03 01:01:16,219 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 597 605) no Hoare annotation was computed. [2023-04-03 01:01:16,220 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 597 605) the Hoare annotation is: true [2023-04-03 01:01:16,220 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1))) [2023-04-03 01:01:16,220 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2023-04-03 01:01:16,220 INFO L895 garLoopResultBuilder]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1))) [2023-04-03 01:01:16,220 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 190) no Hoare annotation was computed. [2023-04-03 01:01:16,220 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2023-04-03 01:01:16,220 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2023-04-03 01:01:16,221 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:16,221 INFO L895 garLoopResultBuilder]: At program point L179(line 179) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:16,221 INFO L895 garLoopResultBuilder]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:16,221 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 195) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:16,221 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2023-04-03 01:01:16,221 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2023-04-03 01:01:16,222 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-04-03 01:01:16,222 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2023-04-03 01:01:16,222 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-03 01:01:16,222 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-04-03 01:01:16,222 INFO L899 garLoopResultBuilder]: For program point L141(line 141) no Hoare annotation was computed. [2023-04-03 01:01:16,222 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-03 01:01:16,222 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2023-04-03 01:01:16,222 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-04-03 01:01:16,222 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 127 150) no Hoare annotation was computed. [2023-04-03 01:01:16,223 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-03 01:01:16,223 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-04-03 01:01:16,223 INFO L899 garLoopResultBuilder]: For program point L135(line 135) no Hoare annotation was computed. [2023-04-03 01:01:16,223 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-03 01:01:16,223 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-04-03 01:01:16,223 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2023-04-03 01:01:16,223 INFO L902 garLoopResultBuilder]: At program point L1009(line 1009) the Hoare annotation is: true [2023-04-03 01:01:16,223 INFO L899 garLoopResultBuilder]: For program point L1009-1(line 1009) no Hoare annotation was computed. [2023-04-03 01:01:16,223 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1002 1020) the Hoare annotation is: true [2023-04-03 01:01:16,223 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 1002 1020) no Hoare annotation was computed. [2023-04-03 01:01:16,223 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 583 589) no Hoare annotation was computed. [2023-04-03 01:01:16,224 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 583 589) the Hoare annotation is: true [2023-04-03 01:01:16,224 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 516 561) no Hoare annotation was computed. [2023-04-03 01:01:16,224 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 516 561) no Hoare annotation was computed. [2023-04-03 01:01:16,224 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 756 769) the Hoare annotation is: true [2023-04-03 01:01:16,224 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 756 769) no Hoare annotation was computed. [2023-04-03 01:01:16,224 INFO L895 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0)) (or (= ~pumpRunning~0 0) .cse0))) [2023-04-03 01:01:16,224 INFO L899 garLoopResultBuilder]: For program point L888-1(lines 869 893) no Hoare annotation was computed. [2023-04-03 01:01:16,224 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 869 893) no Hoare annotation was computed. [2023-04-03 01:01:16,224 INFO L895 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 0) (= 0 processEnvironment_~tmp~8)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:01:16,225 INFO L895 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~8))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2023-04-03 01:01:16,225 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 885) no Hoare annotation was computed. [2023-04-03 01:01:16,225 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:01:16,225 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2023-04-03 01:01:16,225 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 869 893) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2023-04-03 01:01:16,225 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 890) no Hoare annotation was computed. [2023-04-03 01:01:16,225 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 809 815) no Hoare annotation was computed. [2023-04-03 01:01:16,225 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 809 815) the Hoare annotation is: true [2023-04-03 01:01:16,226 INFO L895 garLoopResultBuilder]: At program point L663(lines 616 664) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0))) [2023-04-03 01:01:16,226 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 607 670) no Hoare annotation was computed. [2023-04-03 01:01:16,226 INFO L895 garLoopResultBuilder]: At program point L653-2(lines 647 658) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2023-04-03 01:01:16,226 INFO L899 garLoopResultBuilder]: For program point L618(lines 617 662) no Hoare annotation was computed. [2023-04-03 01:01:16,226 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 607 670) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:16,226 INFO L895 garLoopResultBuilder]: At program point L639(line 639) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2023-04-03 01:01:16,226 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 643) no Hoare annotation was computed. [2023-04-03 01:01:16,226 INFO L899 garLoopResultBuilder]: For program point L637-1(lines 637 643) no Hoare annotation was computed. [2023-04-03 01:01:16,226 INFO L895 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and .cse0 (= ~methaneLevelCritical~0 0)))) [2023-04-03 01:01:16,226 INFO L895 garLoopResultBuilder]: At program point L660(lines 617 662) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and .cse0 (= ~methaneLevelCritical~0 0)))) [2023-04-03 01:01:16,226 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2023-04-03 01:01:16,226 INFO L899 garLoopResultBuilder]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2023-04-03 01:01:16,226 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 607 670) no Hoare annotation was computed. [2023-04-03 01:01:16,226 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 894 901) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 894 901) no Hoare annotation was computed. [2023-04-03 01:01:16,227 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 770 778) the Hoare annotation is: true [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 770 778) no Hoare annotation was computed. [2023-04-03 01:01:16,227 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2023-04-03 01:01:16,227 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 62 90) the Hoare annotation is: true [2023-04-03 01:01:16,227 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point L72-1(line 72) no Hoare annotation was computed. [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2023-04-03 01:01:16,227 INFO L902 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: true [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 62 90) no Hoare annotation was computed. [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2023-04-03 01:01:16,227 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 61) the Hoare annotation is: true [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 54 61) no Hoare annotation was computed. [2023-04-03 01:01:16,227 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 724 746) no Hoare annotation was computed. [2023-04-03 01:01:16,228 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 724 746) no Hoare annotation was computed. [2023-04-03 01:01:16,228 INFO L895 garLoopResultBuilder]: At program point L913(line 913) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= activatePump_~tmp~9 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:16,228 INFO L899 garLoopResultBuilder]: For program point L913-1(lines 902 918) no Hoare annotation was computed. [2023-04-03 01:01:16,228 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 915) no Hoare annotation was computed. [2023-04-03 01:01:16,228 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 902 918) no Hoare annotation was computed. [2023-04-03 01:01:16,228 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-04-03 01:01:16,228 INFO L899 garLoopResultBuilder]: For program point L907-1(line 907) no Hoare annotation was computed. [2023-04-03 01:01:16,229 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 902 918) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-04-03 01:01:16,229 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 747 755) no Hoare annotation was computed. [2023-04-03 01:01:16,229 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 747 755) no Hoare annotation was computed. [2023-04-03 01:01:16,229 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 983 1001) no Hoare annotation was computed. [2023-04-03 01:01:16,229 INFO L902 garLoopResultBuilder]: At program point L990(line 990) the Hoare annotation is: true [2023-04-03 01:01:16,229 INFO L899 garLoopResultBuilder]: For program point L990-1(line 990) no Hoare annotation was computed. [2023-04-03 01:01:16,229 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 983 1001) the Hoare annotation is: true [2023-04-03 01:01:16,229 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 715 723) the Hoare annotation is: true [2023-04-03 01:01:16,229 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 715 723) no Hoare annotation was computed. [2023-04-03 01:01:16,229 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2023-04-03 01:01:16,229 INFO L895 garLoopResultBuilder]: At program point L796(lines 796 802) the Hoare annotation is: (or (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0))) [2023-04-03 01:01:16,229 INFO L895 garLoopResultBuilder]: At program point L791(line 791) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:01:16,229 INFO L899 garLoopResultBuilder]: For program point L789(lines 788 807) no Hoare annotation was computed. [2023-04-03 01:01:16,230 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 785 808) no Hoare annotation was computed. [2023-04-03 01:01:16,230 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 785 808) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2023-04-03 01:01:16,230 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 785 808) no Hoare annotation was computed. [2023-04-03 01:01:16,230 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2023-04-03 01:01:16,230 INFO L902 garLoopResultBuilder]: At program point L119(lines 94 123) the Hoare annotation is: true [2023-04-03 01:01:16,230 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2023-04-03 01:01:16,230 INFO L899 garLoopResultBuilder]: For program point L108(lines 108 112) no Hoare annotation was computed. [2023-04-03 01:01:16,230 INFO L902 garLoopResultBuilder]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2023-04-03 01:01:16,230 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 94 123) the Hoare annotation is: true [2023-04-03 01:01:16,230 INFO L902 garLoopResultBuilder]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2023-04-03 01:01:16,230 INFO L902 garLoopResultBuilder]: At program point L100(line 100) the Hoare annotation is: true [2023-04-03 01:01:16,230 INFO L899 garLoopResultBuilder]: For program point L100-1(line 100) no Hoare annotation was computed. [2023-04-03 01:01:16,230 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 679 690) no Hoare annotation was computed. [2023-04-03 01:01:16,230 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 679 690) the Hoare annotation is: true [2023-04-03 01:01:16,230 INFO L895 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2023-04-03 01:01:16,230 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 817 841) no Hoare annotation was computed. [2023-04-03 01:01:16,231 INFO L895 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2023-04-03 01:01:16,231 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 833) no Hoare annotation was computed. [2023-04-03 01:01:16,231 INFO L895 garLoopResultBuilder]: At program point L823(line 823) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2023-04-03 01:01:16,231 INFO L899 garLoopResultBuilder]: For program point L823-1(line 823) no Hoare annotation was computed. [2023-04-03 01:01:16,231 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 838) no Hoare annotation was computed. [2023-04-03 01:01:16,231 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 817 841) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2023-04-03 01:01:16,231 INFO L895 garLoopResultBuilder]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:01:16,231 INFO L899 garLoopResultBuilder]: For program point L836-1(lines 817 841) no Hoare annotation was computed. [2023-04-03 01:01:16,231 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 691 702) no Hoare annotation was computed. [2023-04-03 01:01:16,231 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 691 702) the Hoare annotation is: true [2023-04-03 01:01:16,231 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 563 570) the Hoare annotation is: true [2023-04-03 01:01:16,231 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 567) no Hoare annotation was computed. [2023-04-03 01:01:16,232 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 563 570) no Hoare annotation was computed. [2023-04-03 01:01:16,232 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 590 596) the Hoare annotation is: true [2023-04-03 01:01:16,232 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 590 596) no Hoare annotation was computed. [2023-04-03 01:01:16,232 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2023-04-03 01:01:16,232 INFO L899 garLoopResultBuilder]: For program point L862-1(lines 843 867) no Hoare annotation was computed. [2023-04-03 01:01:16,232 INFO L895 garLoopResultBuilder]: At program point L857(line 857) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:01:16,232 INFO L895 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:01:16,232 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 859) no Hoare annotation was computed. [2023-04-03 01:01:16,232 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:01:16,232 INFO L899 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2023-04-03 01:01:16,232 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2023-04-03 01:01:16,232 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 843 867) no Hoare annotation was computed. [2023-04-03 01:01:16,232 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 843 867) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 938 946) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 938 946) the Hoare annotation is: true [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point L977(line 977) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point L977-1(line 977) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 947 982) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 947 982) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 203 248) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 203 248) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 159 169) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L895 garLoopResultBuilder]: At program point L164(line 164) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 927 937) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 927 937) the Hoare annotation is: true [2023-04-03 01:01:16,233 INFO L902 garLoopResultBuilder]: At program point L932(line 932) the Hoare annotation is: true [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point L932-1(line 932) no Hoare annotation was computed. [2023-04-03 01:01:16,233 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 919 926) no Hoare annotation was computed. [2023-04-03 01:01:16,234 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 919 926) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2023-04-03 01:01:16,234 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 470 515) no Hoare annotation was computed. [2023-04-03 01:01:16,234 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 470 515) no Hoare annotation was computed. [2023-04-03 01:01:16,234 INFO L899 garLoopResultBuilder]: For program point L417(lines 416 436) no Hoare annotation was computed. [2023-04-03 01:01:16,234 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2023-04-03 01:01:16,234 INFO L899 garLoopResultBuilder]: For program point L448-1(line 448) no Hoare annotation was computed. [2023-04-03 01:01:16,234 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 454) no Hoare annotation was computed. [2023-04-03 01:01:16,234 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-04-03 01:01:16,234 INFO L899 garLoopResultBuilder]: For program point L432-1(line 432) no Hoare annotation was computed. [2023-04-03 01:01:16,234 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 367 469) no Hoare annotation was computed. [2023-04-03 01:01:16,234 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 395) no Hoare annotation was computed. [2023-04-03 01:01:16,235 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 367 469) no Hoare annotation was computed. [2023-04-03 01:01:16,235 INFO L899 garLoopResultBuilder]: For program point L416-2(lines 416 436) no Hoare annotation was computed. [2023-04-03 01:01:16,235 INFO L899 garLoopResultBuilder]: For program point L437(lines 415 438) no Hoare annotation was computed. [2023-04-03 01:01:16,235 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 367 469) no Hoare annotation was computed. [2023-04-03 01:01:16,235 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 412) no Hoare annotation was computed. [2023-04-03 01:01:16,235 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 573 582) no Hoare annotation was computed. [2023-04-03 01:01:16,235 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 573 582) no Hoare annotation was computed. [2023-04-03 01:01:16,235 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-03 01:01:16,236 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:16,236 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 703 714) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0))) [2023-04-03 01:01:16,236 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 703 714) no Hoare annotation was computed. [2023-04-03 01:01:16,236 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:16,236 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:01:16,236 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2023-04-03 01:01:16,236 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2023-04-03 01:01:16,236 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:16,236 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 01:01:16,253 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:01:16,254 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:01:16,256 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:16,258 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:01:16,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:01:16 BoogieIcfgContainer [2023-04-03 01:01:16,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:01:16,272 INFO L158 Benchmark]: Toolchain (without parser) took 6608.25ms. Allocated memory was 310.4MB in the beginning and 448.8MB in the end (delta: 138.4MB). Free memory was 260.9MB in the beginning and 242.1MB in the end (delta: 18.8MB). Peak memory consumption was 232.5MB. Max. memory is 8.0GB. [2023-04-03 01:01:16,272 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:01:16,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.86ms. Allocated memory is still 310.4MB. Free memory was 260.5MB in the beginning and 241.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:01:16,273 INFO L158 Benchmark]: Boogie Preprocessor took 92.10ms. Allocated memory is still 310.4MB. Free memory was 241.6MB in the beginning and 238.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:01:16,273 INFO L158 Benchmark]: RCFGBuilder took 877.93ms. Allocated memory is still 310.4MB. Free memory was 237.8MB in the beginning and 242.2MB in the end (delta: -4.4MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. [2023-04-03 01:01:16,273 INFO L158 Benchmark]: TraceAbstraction took 5239.26ms. Allocated memory was 310.4MB in the beginning and 448.8MB in the end (delta: 138.4MB). Free memory was 241.7MB in the beginning and 242.1MB in the end (delta: -367.9kB). Peak memory consumption was 214.1MB. Max. memory is 8.0GB. [2023-04-03 01:01:16,274 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 175.1MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 391.86ms. Allocated memory is still 310.4MB. Free memory was 260.5MB in the beginning and 241.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 92.10ms. Allocated memory is still 310.4MB. Free memory was 241.6MB in the beginning and 238.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 877.93ms. Allocated memory is still 310.4MB. Free memory was 237.8MB in the beginning and 242.2MB in the end (delta: -4.4MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. * TraceAbstraction took 5239.26ms. Allocated memory was 310.4MB in the beginning and 448.8MB in the end (delta: 138.4MB). Free memory was 241.7MB in the beginning and 242.1MB in the end (delta: -367.9kB). Peak memory consumption was 214.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 567]: 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 44 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 810 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 777 mSDsluCounter, 3232 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2328 mSDsCounter, 249 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2323 IncrementalHoareTripleChecker+Invalid, 2572 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 249 mSolverCounterUnsat, 904 mSDtfsCounter, 2323 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=481occurred in iteration=7, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 56 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1200 PreInvPairs, 1259 NumberOfFragments, 817 HoareAnnotationTreeSize, 1200 FomulaSimplifications, 957 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 70 FomulaSimplificationsInter, 2730 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 698 NumberOfCodeBlocks, 698 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 689 ConstructedInterpolants, 0 QuantifiedInterpolants, 1159 SizeOfPredicates, 5 NumberOfNonLiveVariables, 397 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 48/49 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: 616]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || (splverifierCounter == 0 && methaneLevelCritical == 0) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:01:16,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...