/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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:00:15,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:00:15,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:00:15,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:00:15,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:00:15,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:00:15,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:00:15,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:00:15,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:00:15,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:00:15,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:00:15,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:00:15,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:00:15,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:00:15,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:00:15,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:00:15,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:00:15,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:00:15,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:00:15,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:00:15,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:00:15,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:00:15,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:00:15,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:00:15,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:00:15,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:00:15,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:00:15,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:00:15,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:00:15,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:00:15,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:00:15,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:00:15,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:00:15,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:00:15,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:00:15,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:00:15,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:00:15,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:00:15,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:00:15,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:00:15,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:00:15,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:00:15,678 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:00:15,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:00:15,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:00:15,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:00:15,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:00:15,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:00:15,679 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:00:15,679 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:00:15,679 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:00:15,679 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:00:15,679 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:00:15,679 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:00:15,680 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:00:15,680 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:00:15,680 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:00:15,680 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:00:15,680 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:00:15,680 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:00:15,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:00:15,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:00:15,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:00:15,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:00:15,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:15,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:00:15,682 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:00:15,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:00:15,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:00:15,682 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:00:15,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:00:15,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:00:15,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:00:15,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:00:15,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:00:15,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:00:15,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:00:15,985 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:00:15,986 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:00:15,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2023-04-03 01:00:17,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:00:17,322 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:00:17,324 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2023-04-03 01:00:17,342 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073f45365/b968016fcc0646f395c6b11b96926741/FLAG67ca171dc [2023-04-03 01:00:17,352 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073f45365/b968016fcc0646f395c6b11b96926741 [2023-04-03 01:00:17,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:00:17,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:00:17,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:17,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:00:17,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:00:17,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e2e327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17, skipping insertion in model container [2023-04-03 01:00:17,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:00:17,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:00:17,619 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_product05.cil.c[7760,7773] [2023-04-03 01:00:17,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:17,685 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:00:17,704 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_product05.cil.c[7760,7773] [2023-04-03 01:00:17,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:17,739 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:00:17,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17 WrapperNode [2023-04-03 01:00:17,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:17,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:00:17,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:00:17,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:00:17,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,838 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:00:17,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:00:17,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:00:17,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:00:17,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17" (1/1) ... [2023-04-03 01:00:17,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:17,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:17,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:00:17,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:00:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:00:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:00:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:00:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:00:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:00:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:00:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:00:18,051 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:00:18,053 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:00:18,523 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:00:18,658 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:00:18,658 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:00:18,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:18 BoogieIcfgContainer [2023-04-03 01:00:18,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:00:18,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:00:18,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:00:18,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:00:18,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:00:17" (1/3) ... [2023-04-03 01:00:18,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a58d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:18, skipping insertion in model container [2023-04-03 01:00:18,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:17" (2/3) ... [2023-04-03 01:00:18,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a58d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:18, skipping insertion in model container [2023-04-03 01:00:18,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:18" (3/3) ... [2023-04-03 01:00:18,670 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2023-04-03 01:00:18,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:00:18,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:00:18,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:00:18,721 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;@30c93cc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:00:18,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:00:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 65 states have internal predecessors, (70), 41 states have call successors, (41), 24 states have call predecessors, (41), 24 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2023-04-03 01:00:18,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 01:00:18,731 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:18,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:18,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:18,735 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:18,735 INFO L85 PathProgramCache]: Analyzing trace with hash -210748073, now seen corresponding path program 1 times [2023-04-03 01:00:18,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:18,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805278284] [2023-04-03 01:00:18,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:18,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:18,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:18,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:18,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805278284] [2023-04-03 01:00:18,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805278284] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:18,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:18,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:00:18,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114460184] [2023-04-03 01:00:18,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:18,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:00:18,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:18,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:00:18,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:18,907 INFO L87 Difference]: Start difference. First operand has 123 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 65 states have internal predecessors, (70), 41 states have call successors, (41), 24 states have call predecessors, (41), 24 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:18,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:18,946 INFO L93 Difference]: Finished difference Result 176 states and 215 transitions. [2023-04-03 01:00:18,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:00:18,948 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-04-03 01:00:18,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:18,955 INFO L225 Difference]: With dead ends: 176 [2023-04-03 01:00:18,955 INFO L226 Difference]: Without dead ends: 90 [2023-04-03 01:00:18,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:18,960 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:18,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:18,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-04-03 01:00:18,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-04-03 01:00:18,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 53 states have internal predecessors, (56), 26 states have call successors, (26), 22 states have call predecessors, (26), 17 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2023-04-03 01:00:18,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2023-04-03 01:00:18,992 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 46 [2023-04-03 01:00:18,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:18,992 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2023-04-03 01:00:18,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:18,993 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2023-04-03 01:00:18,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:00:18,995 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:18,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:18,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:00:18,995 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:18,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:18,996 INFO L85 PathProgramCache]: Analyzing trace with hash 482718023, now seen corresponding path program 1 times [2023-04-03 01:00:18,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:18,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616856373] [2023-04-03 01:00:18,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:18,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:19,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:19,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616856373] [2023-04-03 01:00:19,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616856373] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:19,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:19,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:00:19,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333540776] [2023-04-03 01:00:19,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:19,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:19,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:19,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:19,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:19,149 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:19,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:19,186 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2023-04-03 01:00:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:00:19,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:00:19,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:19,188 INFO L225 Difference]: With dead ends: 134 [2023-04-03 01:00:19,188 INFO L226 Difference]: Without dead ends: 82 [2023-04-03 01:00:19,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:19,189 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 7 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:19,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 150 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:19,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-04-03 01:00:19,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-04-03 01:00:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 48 states have internal predecessors, (50), 23 states have call successors, (23), 21 states have call predecessors, (23), 17 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-03 01:00:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2023-04-03 01:00:19,198 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 47 [2023-04-03 01:00:19,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:19,199 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2023-04-03 01:00:19,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2023-04-03 01:00:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-04-03 01:00:19,200 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:19,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:19,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:00:19,200 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:19,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:19,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1937288013, now seen corresponding path program 1 times [2023-04-03 01:00:19,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:19,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966909667] [2023-04-03 01:00:19,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:19,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:19,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:19,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966909667] [2023-04-03 01:00:19,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966909667] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:19,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:19,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:00:19,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826446328] [2023-04-03 01:00:19,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:19,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:19,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:19,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:19,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:19,293 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 01:00:19,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:19,318 INFO L93 Difference]: Finished difference Result 139 states and 160 transitions. [2023-04-03 01:00:19,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:00:19,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 49 [2023-04-03 01:00:19,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:19,319 INFO L225 Difference]: With dead ends: 139 [2023-04-03 01:00:19,319 INFO L226 Difference]: Without dead ends: 82 [2023-04-03 01:00:19,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:19,320 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 68 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:19,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 79 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:19,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-04-03 01:00:19,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-04-03 01:00:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 47 states have internal predecessors, (49), 23 states have call successors, (23), 21 states have call predecessors, (23), 17 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-03 01:00:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2023-04-03 01:00:19,327 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 49 [2023-04-03 01:00:19,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:19,328 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2023-04-03 01:00:19,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 01:00:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2023-04-03 01:00:19,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-04-03 01:00:19,330 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:19,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:19,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:00:19,331 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:19,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:19,331 INFO L85 PathProgramCache]: Analyzing trace with hash -854825138, now seen corresponding path program 1 times [2023-04-03 01:00:19,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:19,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372853437] [2023-04-03 01:00:19,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:19,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:19,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:19,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372853437] [2023-04-03 01:00:19,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372853437] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:19,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:19,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:00:19,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458105387] [2023-04-03 01:00:19,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:19,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:00:19,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:19,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:00:19,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:00:19,446 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-03 01:00:19,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:19,652 INFO L93 Difference]: Finished difference Result 188 states and 217 transitions. [2023-04-03 01:00:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:00:19,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 57 [2023-04-03 01:00:19,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:19,659 INFO L225 Difference]: With dead ends: 188 [2023-04-03 01:00:19,659 INFO L226 Difference]: Without dead ends: 131 [2023-04-03 01:00:19,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:00:19,669 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 51 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:19,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 324 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:00:19,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-04-03 01:00:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2023-04-03 01:00:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 66 states have (on average 1.196969696969697) internal successors, (79), 76 states have internal predecessors, (79), 34 states have call successors, (34), 30 states have call predecessors, (34), 26 states have return successors, (30), 26 states have call predecessors, (30), 30 states have call successors, (30) [2023-04-03 01:00:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 143 transitions. [2023-04-03 01:00:19,736 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 143 transitions. Word has length 57 [2023-04-03 01:00:19,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:19,736 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 143 transitions. [2023-04-03 01:00:19,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-03 01:00:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 143 transitions. [2023-04-03 01:00:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-04-03 01:00:19,738 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:19,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:19,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:00:19,738 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:19,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:19,742 INFO L85 PathProgramCache]: Analyzing trace with hash -972947543, now seen corresponding path program 1 times [2023-04-03 01:00:19,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:19,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904279155] [2023-04-03 01:00:19,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:19,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:19,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:19,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:19,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904279155] [2023-04-03 01:00:19,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904279155] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:19,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:19,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:00:19,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185168464] [2023-04-03 01:00:19,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:19,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:00:19,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:19,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:00:19,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:00:19,976 INFO L87 Difference]: Start difference. First operand 127 states and 143 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-03 01:00:20,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:20,115 INFO L93 Difference]: Finished difference Result 199 states and 230 transitions. [2023-04-03 01:00:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:00:20,116 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 60 [2023-04-03 01:00:20,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:20,116 INFO L225 Difference]: With dead ends: 199 [2023-04-03 01:00:20,116 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:00:20,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-03 01:00:20,121 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 54 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:20,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 106 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:00:20,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:00:20,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:00:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:00:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:00:20,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2023-04-03 01:00:20,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:20,123 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:00:20,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-03 01:00:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:00:20,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:00:20,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:00:20,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:00:20,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:00:20,623 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:00:20,623 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 612) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point L602-2(lines 602 623) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point L624(lines 601 625) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 577 632) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 577 632) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 669) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 633 692) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point L659-2(lines 659 684) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point L685(lines 658 686) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 633 692) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 633 692) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point L678(line 678) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point L678-1(line 678) no Hoare annotation was computed. [2023-04-03 01:00:20,624 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 425 433) no Hoare annotation was computed. [2023-04-03 01:00:20,625 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 425 433) the Hoare annotation is: true [2023-04-03 01:00:20,625 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 132 154) no Hoare annotation was computed. [2023-04-03 01:00:20,626 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:20,626 INFO L895 garLoopResultBuilder]: At program point L144-1(line 144) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:20,626 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2023-04-03 01:00:20,627 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 142 149) no Hoare annotation was computed. [2023-04-03 01:00:20,627 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-03 01:00:20,627 INFO L895 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:20,627 INFO L895 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:20,627 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 154) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:20,627 INFO L895 garLoopResultBuilder]: At program point L138-1(line 138) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:20,627 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-03 01:00:20,627 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2023-04-03 01:00:20,627 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 85 108) no Hoare annotation was computed. [2023-04-03 01:00:20,627 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-03 01:00:20,627 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-03 01:00:20,627 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-04-03 01:00:20,627 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 85 108) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 108) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 411 417) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 411 417) the Hoare annotation is: true [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 844 889) no Hoare annotation was computed. [2023-04-03 01:00:20,628 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 844 889) no Hoare annotation was computed. [2023-04-03 01:00:20,629 INFO L895 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 01:00:20,629 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2023-04-03 01:00:20,629 INFO L895 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:00:20,629 INFO L895 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:00:20,629 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 302 326) no Hoare annotation was computed. [2023-04-03 01:00:20,629 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 318) no Hoare annotation was computed. [2023-04-03 01:00:20,629 INFO L895 garLoopResultBuilder]: At program point L308(line 308) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:00:20,629 INFO L899 garLoopResultBuilder]: For program point L308-1(line 308) no Hoare annotation was computed. [2023-04-03 01:00:20,629 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 323) no Hoare annotation was computed. [2023-04-03 01:00:20,629 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 302 326) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 01:00:20,630 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2023-04-03 01:00:20,630 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2023-04-03 01:00:20,630 INFO L895 garLoopResultBuilder]: At program point L254(lines 207 255) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2023-04-03 01:00:20,630 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 198 261) no Hoare annotation was computed. [2023-04-03 01:00:20,630 INFO L895 garLoopResultBuilder]: At program point L244-2(lines 238 249) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2023-04-03 01:00:20,630 INFO L899 garLoopResultBuilder]: For program point L209(lines 208 253) no Hoare annotation was computed. [2023-04-03 01:00:20,630 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 198 261) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:20,630 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2023-04-03 01:00:20,631 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 234) no Hoare annotation was computed. [2023-04-03 01:00:20,631 INFO L899 garLoopResultBuilder]: For program point L228-1(lines 228 234) no Hoare annotation was computed. [2023-04-03 01:00:20,631 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2023-04-03 01:00:20,631 INFO L895 garLoopResultBuilder]: At program point L251(lines 208 253) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2023-04-03 01:00:20,631 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 224) no Hoare annotation was computed. [2023-04-03 01:00:20,631 INFO L899 garLoopResultBuilder]: For program point L218-1(lines 218 224) no Hoare annotation was computed. [2023-04-03 01:00:20,631 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 198 261) no Hoare annotation was computed. [2023-04-03 01:00:20,631 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0))) [2023-04-03 01:00:20,631 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2023-04-03 01:00:20,631 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 190) no Hoare annotation was computed. [2023-04-03 01:00:20,631 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:20,631 INFO L899 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2023-04-03 01:00:20,631 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 193) no Hoare annotation was computed. [2023-04-03 01:00:20,631 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 168 196) no Hoare annotation was computed. [2023-04-03 01:00:20,632 INFO L902 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: true [2023-04-03 01:00:20,632 INFO L899 garLoopResultBuilder]: For program point L174-1(line 174) no Hoare annotation was computed. [2023-04-03 01:00:20,632 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 168 196) the Hoare annotation is: true [2023-04-03 01:00:20,632 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 168 196) no Hoare annotation was computed. [2023-04-03 01:00:20,632 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 160 167) the Hoare annotation is: true [2023-04-03 01:00:20,632 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 160 167) no Hoare annotation was computed. [2023-04-03 01:00:20,632 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 483 505) no Hoare annotation was computed. [2023-04-03 01:00:20,632 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 483 505) no Hoare annotation was computed. [2023-04-03 01:00:20,632 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2023-04-03 01:00:20,632 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 327 334) no Hoare annotation was computed. [2023-04-03 01:00:20,632 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 506 514) no Hoare annotation was computed. [2023-04-03 01:00:20,632 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 506 514) no Hoare annotation was computed. [2023-04-03 01:00:20,632 INFO L895 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 01:00:20,633 INFO L895 garLoopResultBuilder]: At program point L281(lines 281 287) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 01:00:20,633 INFO L895 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:00:20,633 INFO L899 garLoopResultBuilder]: For program point L274(lines 273 292) no Hoare annotation was computed. [2023-04-03 01:00:20,633 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2023-04-03 01:00:20,633 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 293) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 01:00:20,633 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2023-04-03 01:00:20,633 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-04-03 01:00:20,633 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-04-03 01:00:20,633 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-04-03 01:00:20,633 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-04-03 01:00:20,633 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-04-03 01:00:20,633 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-04-03 01:00:20,633 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-04-03 01:00:20,633 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-03 01:00:20,633 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-04-03 01:00:20,633 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 474 482) the Hoare annotation is: true [2023-04-03 01:00:20,633 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 474 482) no Hoare annotation was computed. [2023-04-03 01:00:20,634 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 438 449) no Hoare annotation was computed. [2023-04-03 01:00:20,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 438 449) the Hoare annotation is: true [2023-04-03 01:00:20,634 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 450 461) no Hoare annotation was computed. [2023-04-03 01:00:20,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 450 461) the Hoare annotation is: true [2023-04-03 01:00:20,634 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 516 523) the Hoare annotation is: true [2023-04-03 01:00:20,634 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2023-04-03 01:00:20,634 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 516 523) no Hoare annotation was computed. [2023-04-03 01:00:20,634 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 418 424) the Hoare annotation is: true [2023-04-03 01:00:20,634 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 418 424) no Hoare annotation was computed. [2023-04-03 01:00:20,634 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 354 362) no Hoare annotation was computed. [2023-04-03 01:00:20,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 354 362) the Hoare annotation is: true [2023-04-03 01:00:20,634 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 363 398) no Hoare annotation was computed. [2023-04-03 01:00:20,634 INFO L899 garLoopResultBuilder]: For program point L393(line 393) no Hoare annotation was computed. [2023-04-03 01:00:20,634 INFO L899 garLoopResultBuilder]: For program point L393-1(line 393) no Hoare annotation was computed. [2023-04-03 01:00:20,634 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 363 398) no Hoare annotation was computed. [2023-04-03 01:00:20,635 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 531 576) no Hoare annotation was computed. [2023-04-03 01:00:20,635 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 531 576) no Hoare annotation was computed. [2023-04-03 01:00:20,635 INFO L895 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:20,635 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 118 128) no Hoare annotation was computed. [2023-04-03 01:00:20,635 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 118 128) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0))) [2023-04-03 01:00:20,635 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 118 128) no Hoare annotation was computed. [2023-04-03 01:00:20,635 INFO L902 garLoopResultBuilder]: At program point L348(line 348) the Hoare annotation is: true [2023-04-03 01:00:20,635 INFO L899 garLoopResultBuilder]: For program point L348-1(line 348) no Hoare annotation was computed. [2023-04-03 01:00:20,635 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 343 353) no Hoare annotation was computed. [2023-04-03 01:00:20,635 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 343 353) the Hoare annotation is: true [2023-04-03 01:00:20,635 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 335 342) no Hoare annotation was computed. [2023-04-03 01:00:20,635 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 342) the Hoare annotation is: true [2023-04-03 01:00:20,635 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 798 843) no Hoare annotation was computed. [2023-04-03 01:00:20,635 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 798 843) no Hoare annotation was computed. [2023-04-03 01:00:20,635 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 401 410) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 401 410) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point L760(line 760) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 723) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 695 797) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point L744-2(lines 744 764) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 695 797) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point L765(lines 743 766) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point L724(lines 724 740) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 695 797) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point L745(lines 744 764) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point L776(line 776) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point L776-1(line 776) no Hoare annotation was computed. [2023-04-03 01:00:20,636 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 782) no Hoare annotation was computed. [2023-04-03 01:00:20,641 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-03 01:00:20,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:20,641 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 462 473) the Hoare annotation is: true [2023-04-03 01:00:20,641 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 462 473) no Hoare annotation was computed. [2023-04-03 01:00:20,641 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:20,641 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:00:20,641 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 109 115) no Hoare annotation was computed. [2023-04-03 01:00:20,641 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 109 115) the Hoare annotation is: true [2023-04-03 01:00:20,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:20,641 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= 1 ~systemActive~0)) [2023-04-03 01:00:20,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:00:20,642 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:00:20,644 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-04-03 01:00:20,646 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:00:20,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:00:20 BoogieIcfgContainer [2023-04-03 01:00:20,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:00:20,662 INFO L158 Benchmark]: Toolchain (without parser) took 3307.03ms. Allocated memory is still 257.9MB. Free memory was 210.2MB in the beginning and 118.3MB in the end (delta: 91.9MB). Peak memory consumption was 92.4MB. Max. memory is 8.0GB. [2023-04-03 01:00:20,662 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 163.6MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:00:20,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.27ms. Allocated memory is still 257.9MB. Free memory was 209.6MB in the beginning and 191.8MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:00:20,665 INFO L158 Benchmark]: Boogie Preprocessor took 108.86ms. Allocated memory is still 257.9MB. Free memory was 191.8MB in the beginning and 188.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:00:20,665 INFO L158 Benchmark]: RCFGBuilder took 813.10ms. Allocated memory is still 257.9MB. Free memory was 188.7MB in the beginning and 217.4MB in the end (delta: -28.8MB). Peak memory consumption was 59.3MB. Max. memory is 8.0GB. [2023-04-03 01:00:20,671 INFO L158 Benchmark]: TraceAbstraction took 1996.51ms. Allocated memory is still 257.9MB. Free memory was 216.9MB in the beginning and 118.3MB in the end (delta: 98.6MB). Peak memory consumption was 98.1MB. Max. memory is 8.0GB. [2023-04-03 01:00:20,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 163.6MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 370.27ms. Allocated memory is still 257.9MB. Free memory was 209.6MB in the beginning and 191.8MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 108.86ms. Allocated memory is still 257.9MB. Free memory was 191.8MB in the beginning and 188.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 813.10ms. Allocated memory is still 257.9MB. Free memory was 188.7MB in the beginning and 217.4MB in the end (delta: -28.8MB). Peak memory consumption was 59.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1996.51ms. Allocated memory is still 257.9MB. Free memory was 216.9MB in the beginning and 118.3MB in the end (delta: 98.6MB). Peak memory consumption was 98.1MB. 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: 520]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 166 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 186 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 759 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 394 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 322 IncrementalHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 365 mSDtfsCounter, 322 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 223 PreInvPairs, 235 NumberOfFragments, 402 HoareAnnotationTreeSize, 223 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 50 FomulaSimplificationsInter, 711 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 436 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: (systemActive < 1 || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) || systemActive < 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:00:20,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...